{"id":16037,"date":"2026-07-14T23:02:58","date_gmt":"2026-07-14T20:02:58","guid":{"rendered":"https:\/\/www.ihs.com.tr\/blog\/?p=16037"},"modified":"2026-07-14T23:02:58","modified_gmt":"2026-07-14T20:02:58","slug":"dns-hijacking-yonlendirme-sahtekarligi-nedir","status":"publish","type":"post","link":"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/","title":{"rendered":"DNS Hijacking (Y\u00f6nlendirme Sahtekarl\u0131\u011f\u0131) Nedir? Trafi\u011finiz Habersizce Nas\u0131l \u00c7al\u0131n\u0131r?"},"content":{"rendered":"<p>\u0130nternet, g\u00fcnl\u00fck hayat\u0131m\u0131z\u0131n vazge\u00e7ilmez bir par\u00e7as\u0131 haline geldi. Bankac\u0131l\u0131k i\u015flemlerinden al\u0131\u015fveri\u015fe, e\u011fitimden e\u011flenceye kadar her an\u0131m\u0131z\u0131 dijital d\u00fcnyada ge\u00e7iriyoruz. Peki, taray\u0131c\u0131n\u0131za bir web sitesinin ad\u0131n\u0131 yazd\u0131\u011f\u0131n\u0131zda do\u011fru yere nas\u0131l ula\u015ft\u0131\u011f\u0131n\u0131z\u0131 hi\u00e7 d\u00fc\u015f\u00fcnd\u00fcn\u00fcz m\u00fc? Bu sihirli s\u00fcrecin arkas\u0131ndaki kahraman DNS, yani Alan Ad\u0131 Sistemi&#8217;dir. Ancak bu kritik sistem, siber sald\u0131rganlar taraf\u0131ndan hedef al\u0131nd\u0131\u011f\u0131nda, internet deneyiminiz bir kabusa d\u00f6n\u00fc\u015febilir. DNS Hijacking veya DNS y\u00f6nlendirme sahtekarl\u0131\u011f\u0131, tam da bu noktada devreye girerek sizi sahte ve tehlikeli web sitelerine y\u00f6nlendiren sinsi bir sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr. Bu yaz\u0131da, DNS&#8217;in ne oldu\u011funu, DNS Hijacking&#8217;in nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, potansiyel tehlikelerini ve bu siber tehdide kar\u015f\u0131 kendinizi nas\u0131l koruyabilece\u011finizi detayl\u0131 bir \u015fekilde inceleyece\u011fiz.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Tablosu<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a56b1a51450d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\" id=\"ez-toc-cssicon-toggle-item-6a56b1a51450d\" aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Internetin-Telefon-Rehberi-DNS-Domain-Name-System-Nedir\" >\u0130nternetin Telefon Rehberi: DNS (Domain Name System) Nedir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Alan-Adlari-Domain-ve-IP-Adresleri-Arasindaki-Iliski\" >Alan Adlar\u0131 (Domain) ve IP Adresleri Aras\u0131ndaki \u0130li\u015fki<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Sorgusu-Nasil-Calisir-Adim-Adim-Surec\" >DNS Sorgusu Nas\u0131l \u00c7al\u0131\u015f\u0131r? Ad\u0131m Ad\u0131m S\u00fcre\u00e7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Internet-Deneyiminde-DNSin-Kritik-Rolu\" >\u0130nternet Deneyiminde DNS&#8217;in Kritik Rol\u00fc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Yonlendirme-Sahtekarligi-DNS-Hijacking-Nedir\" >DNS Y\u00f6nlendirme Sahtekarl\u0131\u011f\u0131 (DNS Hijacking) Nedir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Temel-Calisma-Prensibi-Mesru-DNS-Sorgularinin-Ele-Gecirilmesi\" >Temel \u00c7al\u0131\u015fma Prensibi: Me\u015fru DNS Sorgular\u0131n\u0131n Ele Ge\u00e7irilmesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Spoofing-DNS-Onbellek-Zehirlenmesi-ile-Arasindaki-Fark-Nedir\" >DNS Spoofing (DNS \u00d6nbellek Zehirlenmesi) ile Aras\u0131ndaki Fark Nedir?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Hijacking-Saldiri-Yontemleri-Nelerdir\" >DNS Hijacking Sald\u0131r\u0131 Y\u00f6ntemleri Nelerdir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Yerel-Local-DNS-Hijacking-Kotu-Amacli-Yazilimlarla-Cihazin-Hedef-Alinmasi\" >Yerel (Local) DNS Hijacking: K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131mlarla Cihaz\u0131n Hedef Al\u0131nmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#ModemRouter-DNS-Hijacking-Ag-Gecidinizin-Kontrolunu-Ele-Gecirme\" >Modem\/Router DNS Hijacking: A\u011f Ge\u00e7idinizin Kontrol\u00fcn\u00fc Ele Ge\u00e7irme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Sahte-Rogue-DNS-Sunucusu-Saldirgan-Kontrolundeki-Sunuculara-Yonlendirme\" >Sahte (Rogue) DNS Sunucusu: Sald\u0131rgan Kontrol\u00fcndeki Sunuculara Y\u00f6nlendirme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Man-in-the-Middle-Ortadaki-Adam-Saldirilari-ile-DNS-Trafigini-Degistirme\" >Man-in-the-Middle (Ortadaki Adam) Sald\u0131r\u0131lar\u0131 ile DNS Trafi\u011fini De\u011fi\u015ftirme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Hijacking-Saldirilarinin-Arkasindaki-Amaclar\" >DNS Hijacking Sald\u0131r\u0131lar\u0131n\u0131n Arkas\u0131ndaki Ama\u00e7lar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Oltalama-Phishing-Sahte-Web-Siteleri-ile-Kredi-Karti-ve-Parola-Hirsizligi\" >Oltalama (Phishing): Sahte Web Siteleri ile Kredi Kart\u0131 ve Parola H\u0131rs\u0131zl\u0131\u011f\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kotu-Amacli-Yazilim-Malware-Yayma-Sahte-Indirme-Sitelerine-Yonlendirme\" >K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m (Malware) Yayma: Sahte \u0130ndirme Sitelerine Y\u00f6nlendirme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Istenmeyen-Reklam-Gosterimi-Adware-ve-Trafik-Yonlendirme\" >\u0130stenmeyen Reklam G\u00f6sterimi (Adware) ve Trafik Y\u00f6nlendirme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Sansur-ve-Icerik-Engelleme\" >Sans\u00fcr ve \u0130\u00e7erik Engelleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kullanicilar-ve-Kurumlar-Icin-DNS-Hijacking-Riskleri\" >Kullan\u0131c\u0131lar ve Kurumlar \u0130\u00e7in DNS Hijacking Riskleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kisisel-ve-Finansal-Verilerin-Calinmasi\" >Ki\u015fisel ve Finansal Verilerin \u00c7al\u0131nmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kimlik-Hirsizligi-ve-Dolandiricilik\" >Kimlik H\u0131rs\u0131zl\u0131\u011f\u0131 ve Doland\u0131r\u0131c\u0131l\u0131k<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Cihazlara-ve-Aglara-Kotu-Amacli-Yazilim-Bulasmasi\" >Cihazlara ve A\u011flara K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m Bula\u015fmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kurumsal-Itibar-Kaybi-ve-Musteri-Guveninin-Sarsilmasi\" >Kurumsal \u0130tibar Kayb\u0131 ve M\u00fc\u015fteri G\u00fcveninin Sars\u0131lmas\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Hijacking-Kurbani-Oldugunuzu-Gosteren-Isaretler\" >DNS Hijacking Kurban\u0131 Oldu\u011funuzu G\u00f6steren \u0130\u015faretler<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Sik-Girdiginiz-Web-Sitelerinin-Farkli-Gorunmesi\" >S\u0131k Girdi\u011finiz Web Sitelerinin Farkl\u0131 G\u00f6r\u00fcnmesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Tarayicida-Surekli-Beliren-Beklenmedik-Reklamlar-ve-Acilir-Pencereler\" >Taray\u0131c\u0131da S\u00fcrekli Beliren Beklenmedik Reklamlar ve A\u00e7\u0131l\u0131r Pencereler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Guvenlik-Sertifikasi-SSLTLS-Hatalari-ve-Uyarilari\" >G\u00fcvenlik Sertifikas\u0131 (SSL\/TLS) Hatalar\u0131 ve Uyar\u0131lar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Internet-Baglantisinin-Genel-Yavaslamasi\" >\u0130nternet Ba\u011flant\u0131s\u0131n\u0131n Genel Yava\u015flamas\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Hijacking-Saldirilarina-Karsi-Korunma-Yontemleri\" >DNS Hijacking Sald\u0131r\u0131lar\u0131na Kar\u015f\u0131 Korunma Y\u00f6ntemleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Bireysel-Kullanicilar-Icin-Onlemler\" >Bireysel Kullan\u0131c\u0131lar \u0130\u00e7in \u00d6nlemler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Kurumlar-ve-Web-Sitesi-Sahipleri-Icin-Onlemler\" >Kurumlar ve Web Sitesi Sahipleri \u0130\u00e7in \u00d6nlemler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNS-Guvenliginiz-Icin-Neden-IHS-Telekomu-Tercih-Etmelisiniz\" >DNS G\u00fcvenli\u011finiz \u0130\u00e7in Neden \u0130HS Telekom&#8217;u Tercih Etmelisiniz?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#Gelismis-DNS-Yonetim-Hizmetleri\" >Geli\u015fmi\u015f DNS Y\u00f6netim Hizmetleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DNSSEC-Destegi-ile-Alan-Adi-Guvenligi\" >DNSSEC Deste\u011fi ile Alan Ad\u0131 G\u00fcvenli\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#DDoS-Korumali-Premium-DNS-Altyapisi\" >DDoS Korumal\u0131 Premium DNS Altyap\u0131s\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.ihs.com.tr\/blog\/dns-hijacking-yonlendirme-sahtekarligi-nedir\/#724-Uzman-Teknik-Destek-ve-Danismanlik\" >7\/24 Uzman Teknik Destek ve Dan\u0131\u015fmanl\u0131k<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Internetin-Telefon-Rehberi-DNS-Domain-Name-System-Nedir\"><\/span>\u0130nternetin Telefon Rehberi: DNS (Domain Name System) Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS (Domain Name System), en basit tan\u0131m\u0131yla internetin telefon rehberidir. \u0130nsanlar\u0131n hat\u0131rlamas\u0131 kolay olan alan adlar\u0131n\u0131 (\u00f6rne\u011fin, ihs.com.tr), bilgisayarlar\u0131n ve a\u011f cihazlar\u0131n\u0131n birbirleriyle ileti\u015fim kurmak i\u00e7in kulland\u0131\u011f\u0131 karma\u015f\u0131k say\u0131sal IP adreslerine (\u00f6rne\u011fin, 192.168.1.1) \u00e7evirir. DNS olmadan, favori web sitelerinize eri\u015fmek i\u00e7in uzun ve ak\u0131lda kalmas\u0131 imkans\u0131z IP adreslerini ezberlemek zorunda kal\u0131rd\u0131k.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Alan-Adlari-Domain-ve-IP-Adresleri-Arasindaki-Iliski\"><\/span>Alan Adlar\u0131 (Domain) ve IP Adresleri Aras\u0131ndaki \u0130li\u015fki<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0130nternete ba\u011fl\u0131 her cihaz\u0131n, t\u0131pk\u0131 bir evin posta adresi gibi, kendine \u00f6zg\u00fc bir IP adresi vard\u0131r. Bir web sitesini ziyaret etmek istedi\u011finizde, asl\u0131nda o sitenin bar\u0131nd\u0131r\u0131ld\u0131\u011f\u0131 sunucunun IP adresine ba\u011flan\u0131rs\u0131n\u0131z. Ancak &#8220;172.67.170.21&#8221; gibi bir adresi hat\u0131rlamak yerine &#8220;example.com&#8221; gibi bir <a href=\"https:\/\/www.ihs.com.tr\/domain\/alan-adi-domain-tescili.html\" target=\"_blank\">alan ad\u0131<\/a> kullanmak \u00e7ok daha pratiktir. DNS, bu iki farkl\u0131 adresleme sistemi aras\u0131nda k\u00f6pr\u00fc g\u00f6revi g\u00f6rerek kullan\u0131c\u0131 dostu alan adlar\u0131n\u0131, makinelerin anlad\u0131\u011f\u0131 IP adreslerine d\u00f6n\u00fc\u015ft\u00fcr\u00fcr ve bu sayede internette gezinmeyi m\u00fcmk\u00fcn k\u0131lar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DNS-Sorgusu-Nasil-Calisir-Adim-Adim-Surec\"><\/span>DNS Sorgusu Nas\u0131l \u00c7al\u0131\u015f\u0131r? Ad\u0131m Ad\u0131m S\u00fcre\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir web taray\u0131c\u0131s\u0131na bir alan ad\u0131 yazd\u0131\u011f\u0131n\u0131zda arka planda saniyeler i\u00e7inde ger\u00e7ekle\u015fen bir dizi i\u015flem vard\u0131r. Bu i\u015fleme DNS sorgusu denir ve genellikle \u015fu ad\u0131mlar\u0131 izler:<\/p>\n<ul>\n<li><b>Sorgu Ba\u015flang\u0131c\u0131:<\/b> Taray\u0131c\u0131n\u0131z, \u00f6nce bilgisayar\u0131n\u0131z\u0131n yerel \u00f6nbelle\u011finde bu alan ad\u0131na ait bir IP kayd\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer daha \u00f6nce bu siteyi ziyaret ettiyseniz, IP adresi burada kay\u0131tl\u0131 olabilir ve s\u00fcre\u00e7 h\u0131zlan\u0131r.<\/li>\n<li><b>\u00c7\u00f6z\u00fcmleyici Sunucuya (Resolver) \u0130letim:<\/b> Yerel \u00f6nbellekte kay\u0131t bulunamazsa, sorgu internet servis sa\u011flay\u0131c\u0131n\u0131z\u0131n (\u0130SS) DNS \u00e7\u00f6z\u00fcmleyici sunucusuna g\u00f6nderilir.<\/li>\n<li><b>K\u00f6k Sunucuya (Root Server) Sorulmas\u0131:<\/b> \u00c7\u00f6z\u00fcmleyici, alan ad\u0131n\u0131n IP adresini bilmiyorsa, hiyerar\u015finin en tepesindeki k\u00f6k sunuculara sorar. K\u00f6k sunucu, IP adresini bilmez ama &#8220;.tr&#8221; veya &#8220;.com&#8221; gibi alan ad\u0131 uzant\u0131s\u0131n\u0131 y\u00f6neten TLD (Top-Level Domain) sunucusunun adresini bilir ve \u00e7\u00f6z\u00fcmleyiciyi oraya y\u00f6nlendirir.<\/li>\n<li><b>Yetkili Sunucuya (Authoritative Server) Ula\u015fma:<\/b> TLD sunucusu da IP adresini bilmez ancak alan ad\u0131n\u0131n t\u00fcm DNS kay\u0131tlar\u0131ndan sorumlu olan yetkili DNS sunucusunun adresini bilir. \u00c7\u00f6z\u00fcmleyici son olarak bu sunucuya ula\u015f\u0131r.<\/li>\n<li><b>Cevab\u0131n Al\u0131nmas\u0131 ve \u00d6nbelle\u011fe Kaydedilmesi:<\/b> Yetkili sunucu, alan ad\u0131n\u0131n do\u011fru IP adresini \u00e7\u00f6z\u00fcmleyiciye g\u00f6nderir. \u00c7\u00f6z\u00fcmleyici de bu bilgiyi hem sizin bilgisayar\u0131n\u0131za iletir hem de gelecekteki sorgular\u0131 h\u0131zland\u0131rmak i\u00e7in kendi \u00f6nbelle\u011fine kaydeder.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Internet-Deneyiminde-DNSin-Kritik-Rolu\"><\/span>\u0130nternet Deneyiminde DNS&#8217;in Kritik Rol\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yukar\u0131daki s\u00fcre\u00e7ten de anla\u015f\u0131laca\u011f\u0131 gibi, DNS internetin sorunsuz \u00e7al\u0131\u015fmas\u0131 i\u00e7in hayati bir \u00f6neme sahiptir. E-posta g\u00f6ndermekten, sosyal medyada gezinmeye, online oyun oynamaktan video izlemeye kadar internet \u00fczerinden yapt\u0131\u011f\u0131m\u0131z her aktivite bir DNS sorgusu ile ba\u015flar. E\u011fer DNS sistemi ar\u0131zalan\u0131rsa veya k\u00f6t\u00fc niyetli ki\u015filer taraf\u0131ndan ele ge\u00e7irilirse, en basit web sitelerine bile eri\u015fim imkans\u0131z hale gelir. Bu kritik rol\u00fc, onu siber sald\u0131rganlar i\u00e7in olduk\u00e7a cazip bir hedef haline getirir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Yonlendirme-Sahtekarligi-DNS-Hijacking-Nedir\"><\/span>DNS Y\u00f6nlendirme Sahtekarl\u0131\u011f\u0131 (DNS Hijacking) Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS Hijacking, kelime anlam\u0131yla &#8220;DNS ka\u00e7\u0131rma&#8221; veya &#8220;y\u00f6nlendirme sahtekarl\u0131\u011f\u0131&#8221; olarak da bilinir. Bu sald\u0131r\u0131 t\u00fcr\u00fcnde siber su\u00e7lular, me\u015fru bir DNS sorgusunu ele ge\u00e7irerek kullan\u0131c\u0131y\u0131 gitmek istedi\u011fi web sitesi yerine, kendi kontrol ettikleri sahte ve genellikle k\u00f6t\u00fc ama\u00e7l\u0131 bir web sitesine y\u00f6nlendirir. Kullan\u0131c\u0131, taray\u0131c\u0131s\u0131na do\u011fru adresi yazm\u0131\u015f olmas\u0131na ra\u011fmen, fark\u0131nda olmadan doland\u0131r\u0131c\u0131lar\u0131n tuza\u011f\u0131na d\u00fc\u015fer. Bu sald\u0131r\u0131, kullan\u0131c\u0131lar\u0131n ki\u015fisel bilgilerini \u00e7almak, cihazlar\u0131na zararl\u0131 yaz\u0131l\u0131m bula\u015ft\u0131rmak veya istenmeyen reklamlar g\u00f6stermek gibi bir\u00e7ok farkl\u0131 ama\u00e7la ger\u00e7ekle\u015ftirilebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Temel-Calisma-Prensibi-Mesru-DNS-Sorgularinin-Ele-Gecirilmesi\"><\/span>Temel \u00c7al\u0131\u015fma Prensibi: Me\u015fru DNS Sorgular\u0131n\u0131n Ele Ge\u00e7irilmesi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS Hijacking sald\u0131r\u0131s\u0131n\u0131n temel prensibi, DNS sorgu s\u00fcrecinin herhangi bir ad\u0131m\u0131na m\u00fcdahale ederek, do\u011fru IP adresi yerine sahte bir IP adresinin kullan\u0131c\u0131ya d\u00f6nd\u00fcr\u00fclmesini sa\u011flamakt\u0131r. Sald\u0131rgan, kullan\u0131c\u0131n\u0131n bilgisayar\u0131, modemi veya hatta internet servis sa\u011flay\u0131c\u0131s\u0131n\u0131n DNS sunucular\u0131 ile yetkili DNS sunucusu aras\u0131ndaki ileti\u015fimin bir noktas\u0131n\u0131 ele ge\u00e7irir. Bu sayede, &#8220;bankam.com&#8221; adresine gitmek isteyen bir kullan\u0131c\u0131, bankan\u0131n ger\u00e7ek sitesi yerine, g\u00f6rsel olarak birebir kopyalanm\u0131\u015f sahte bir siteye y\u00f6nlendirilir. Kullan\u0131c\u0131 bu durumu fark etmeden giri\u015f bilgilerini girdi\u011finde, t\u00fcm hassas verileri do\u011frudan sald\u0131rgan\u0131n eline ge\u00e7er.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DNS-Spoofing-DNS-Onbellek-Zehirlenmesi-ile-Arasindaki-Fark-Nedir\"><\/span>DNS Spoofing (DNS \u00d6nbellek Zehirlenmesi) ile Aras\u0131ndaki Fark Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS Hijacking ve DNS Spoofing terimleri s\u0131k\u00e7a birbirinin yerine kullan\u0131lsa da aralar\u0131nda teknik bir fark vard\u0131r. DNS Spoofing, daha spesifik bir sald\u0131r\u0131 y\u00f6ntemidir ve genellikle DNS Hijacking&#8217;in bir alt t\u00fcr\u00fc olarak kabul edilir. Temel fark, sald\u0131r\u0131n\u0131n hedefine ve y\u00f6ntemine dayan\u0131r.<\/p>\n<div class=\"karsilastirma\">\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>DNS Hijacking (Y\u00f6nlendirme Sahtekarl\u0131\u011f\u0131)<\/th>\n<th>DNS Spoofing (DNS \u00d6nbellek Zehirlenmesi)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>Kapsam<\/b><\/td>\n<td>Daha geni\u015f bir kavramd\u0131r. Kullan\u0131c\u0131n\u0131n DNS ayarlar\u0131n\u0131 de\u011fi\u015ftirmeyi (yerel, modem, sahte sunucu) i\u00e7erir.<\/td>\n<td>Daha spesifik bir tekniktir. Bir DNS sunucusunun \u00f6nbelle\u011fine sahte veriler enjekte etmeyi hedefler.<\/td>\n<\/tr>\n<tr>\n<td><b>Hedef<\/b><\/td>\n<td>Genellikle son kullan\u0131c\u0131 cihaz\u0131 (bilgisayar, modem) veya a\u011f ge\u00e7idi hedeflenir.<\/td>\n<td>Genellikle DNS \u00e7\u00f6z\u00fcmleyici (resolver) sunucular\u0131n\u0131n \u00f6nbelle\u011fi hedeflenir.<\/td>\n<\/tr>\n<tr>\n<td><b>Etki Alan\u0131<\/b><\/td>\n<td>Etkisi genellikle hedeflenen cihaz veya a\u011f ile s\u0131n\u0131rl\u0131d\u0131r.<\/td>\n<td>Etkisi, zehirlenen DNS sunucusunu kullanan t\u00fcm kullan\u0131c\u0131lara yay\u0131labilir, bu da onu daha geni\u015f \u00e7apl\u0131 yapar.<\/td>\n<\/tr>\n<tr>\n<td><b>Y\u00f6ntem<\/b><\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, modem aray\u00fcz\u00fcne s\u0131zma, sahte DNS sunucusu kurma gibi y\u00f6ntemler kullan\u0131l\u0131r.<\/td>\n<td>DNS sunucusuna sahte yan\u0131tlar g\u00f6ndererek \u00f6nbelle\u011fi yan\u0131ltma ve &#8220;zehirleme&#8221; tekni\u011fi kullan\u0131l\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u00d6zetle, DNS Hijacking genel bir y\u00f6nlendirme sald\u0131r\u0131s\u0131 iken, DNS Spoofing bu y\u00f6nlendirmeyi sa\u011flamak i\u00e7in kullan\u0131lan \u00f6zel bir &#8220;\u00f6nbellek zehirleme&#8221; tekni\u011fidir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Hijacking-Saldiri-Yontemleri-Nelerdir\"><\/span>DNS Hijacking Sald\u0131r\u0131 Y\u00f6ntemleri Nelerdir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Siber sald\u0131rganlar, DNS y\u00f6nlendirmesi yapmak i\u00e7in kurban\u0131n dijital altyap\u0131s\u0131ndaki farkl\u0131 zay\u0131f noktalardan faydalan\u0131rlar. Sald\u0131r\u0131n\u0131n kapsam\u0131 ve karma\u015f\u0131kl\u0131\u011f\u0131, se\u00e7ilen y\u00f6nteme g\u00f6re de\u011fi\u015fiklik g\u00f6sterir. En yayg\u0131n DNS Hijacking sald\u0131r\u0131 y\u00f6ntemleri, kurban\u0131n cihaz\u0131ndan ba\u015flayarak a\u011f\u0131n geneline yay\u0131lan farkl\u0131 seviyelerde ger\u00e7ekle\u015ftirilebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Yerel-Local-DNS-Hijacking-Kotu-Amacli-Yazilimlarla-Cihazin-Hedef-Alinmasi\"><\/span>Yerel (Local) DNS Hijacking: K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131mlarla Cihaz\u0131n Hedef Al\u0131nmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu y\u00f6ntemde sald\u0131rgan, do\u011frudan kullan\u0131c\u0131n\u0131n bilgisayar\u0131n\u0131 veya mobil cihaz\u0131n\u0131 hedefler. Genellikle bir Truva at\u0131 (Trojan) veya ba\u015fka bir k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m arac\u0131l\u0131\u011f\u0131yla cihaza s\u0131z\u0131l\u0131r. Bu yaz\u0131l\u0131m, i\u015fletim sisteminin DNS ayarlar\u0131n\u0131 de\u011fi\u015ftirerek, t\u00fcm DNS sorgular\u0131n\u0131n sald\u0131rgan\u0131n kontrol\u00fcndeki k\u00f6t\u00fc niyetli bir DNS sunucusuna g\u00f6nderilmesini sa\u011flar. Kullan\u0131c\u0131, internete ba\u011flanmak i\u00e7in hangi a\u011f\u0131 kullan\u0131rsa kullans\u0131n, DNS sorgular\u0131 bu sahte sunucu \u00fczerinden \u00e7\u00f6z\u00fclece\u011fi i\u00e7in sald\u0131r\u0131dan etkilenmeye devam eder.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ModemRouter-DNS-Hijacking-Ag-Gecidinizin-Kontrolunu-Ele-Gecirme\"><\/span>Modem\/Router DNS Hijacking: A\u011f Ge\u00e7idinizin Kontrol\u00fcn\u00fc Ele Ge\u00e7irme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu, en yayg\u0131n ve tehlikeli y\u00f6ntemlerden biridir. Sald\u0131rganlar, kullan\u0131c\u0131lar\u0131n modem veya router&#8217;lar\u0131n\u0131n y\u00f6netim paneline s\u0131zmay\u0131 hedefler. Genellikle fabrika ayarlar\u0131nda b\u0131rak\u0131lm\u0131\u015f veya zay\u0131f olan y\u00f6netici \u015fifrelerini (admin\/admin, admin\/1234 gibi) kullanarak bu panellere eri\u015firler. Panele girdikten sonra, modemin birincil ve ikincil DNS sunucu adreslerini kendi sahte DNS sunucular\u0131n\u0131n adresleriyle de\u011fi\u015ftirirler. Bu durumda, o modeme ba\u011flanan t\u00fcm cihazlar (bilgisayarlar, telefonlar, tabletler, ak\u0131ll\u0131 TV&#8217;ler) otomatik olarak bu sahte DNS sunucusunu kullanmaya ba\u015flar ve sald\u0131r\u0131dan etkilenir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sahte-Rogue-DNS-Sunucusu-Saldirgan-Kontrolundeki-Sunuculara-Yonlendirme\"><\/span>Sahte (Rogue) DNS Sunucusu: Sald\u0131rgan Kontrol\u00fcndeki Sunuculara Y\u00f6nlendirme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu y\u00f6ntem, di\u011fer sald\u0131r\u0131 t\u00fcrlerini destekleyen temel altyap\u0131d\u0131r. Sald\u0131rgan, kendi DNS sunucusunu kurar ve y\u00f6netir. Bu sunucu, me\u015fru alan adlar\u0131 i\u00e7in kas\u0131tl\u0131 olarak yanl\u0131\u015f IP adresleri d\u00f6nd\u00fcrecek \u015fekilde yap\u0131land\u0131r\u0131lm\u0131\u015ft\u0131r. \u00d6rne\u011fin, bir bankac\u0131l\u0131k sitesi i\u00e7in yap\u0131lan sorguya, oltalama (phishing) sitesinin IP adresini verir. Yukar\u0131da bahsedilen yerel ve modem hijacking sald\u0131r\u0131lar\u0131, kurban\u0131n trafi\u011fini i\u015fte bu sahte DNS sunucular\u0131na y\u00f6nlendirmeyi ama\u00e7lar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Man-in-the-Middle-Ortadaki-Adam-Saldirilari-ile-DNS-Trafigini-Degistirme\"><\/span>Man-in-the-Middle (Ortadaki Adam) Sald\u0131r\u0131lar\u0131 ile DNS Trafi\u011fini De\u011fi\u015ftirme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Man-in-the-Middle (MitM) sald\u0131r\u0131s\u0131nda, sald\u0131rgan kendisini kullan\u0131c\u0131 ile internet aras\u0131nda bir yere konumland\u0131r\u0131r. Bu genellikle halka a\u00e7\u0131k Wi-Fi a\u011flar\u0131 gibi g\u00fcvensiz ba\u011flant\u0131larda ger\u00e7ekle\u015fir. Sald\u0131rgan, kullan\u0131c\u0131 ile DNS sunucusu aras\u0131ndaki ileti\u015fimi gizlice dinler ve manip\u00fcle eder. DNS sorgusu kullan\u0131c\u0131dan \u00e7\u0131kt\u0131\u011f\u0131 anda araya girerek, ger\u00e7ek DNS sunucusundan gelen do\u011fru yan\u0131t yerine kendi sahte yan\u0131t\u0131n\u0131 kullan\u0131c\u0131ya iletir. Kullan\u0131c\u0131 ve me\u015fru DNS sunucusu, aradaki bu m\u00fcdahaleden haberdar olmaz. Bu y\u00f6ntem, DNS trafi\u011fi \u015fifrelenmedi\u011finde olduk\u00e7a etkili olabilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Hijacking-Saldirilarinin-Arkasindaki-Amaclar\"><\/span>DNS Hijacking Sald\u0131r\u0131lar\u0131n\u0131n Arkas\u0131ndaki Ama\u00e7lar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS Hijacking, siber su\u00e7lular i\u00e7in olduk\u00e7a esnek ve \u00e7ok ama\u00e7l\u0131 bir sald\u0131r\u0131 vekt\u00f6r\u00fcd\u00fcr. Kurbanlar\u0131 fark\u0131nda olmadan sahte sitelere y\u00f6nlendirme yetene\u011fi, \u00e7e\u015fitli yasa d\u0131\u015f\u0131 faaliyetler i\u00e7in kullan\u0131labilir. Sald\u0131rganlar\u0131n bu y\u00f6ntemi tercih etmesinin arkas\u0131nda yatan temel motivasyonlar genellikle finansal kazan\u00e7, casusluk veya sans\u00fcr gibi hedeflerdir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Oltalama-Phishing-Sahte-Web-Siteleri-ile-Kredi-Karti-ve-Parola-Hirsizligi\"><\/span>Oltalama (Phishing): Sahte Web Siteleri ile Kredi Kart\u0131 ve Parola H\u0131rs\u0131zl\u0131\u011f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS Hijacking&#8217;in en yayg\u0131n kullan\u0131m amac\u0131 oltalama (phishing) sald\u0131r\u0131lar\u0131d\u0131r. Sald\u0131rganlar, pop\u00fcler bankalar\u0131n, e-ticaret sitelerinin veya sosyal medya platformlar\u0131n\u0131n giri\u015f sayfalar\u0131n\u0131 birebir kopyalar. Kurban, DNS y\u00f6nlendirmesi sonucu bu sahte siteye ula\u015ft\u0131\u011f\u0131nda, her \u015feyin normal oldu\u011funu d\u00fc\u015f\u00fcnerek kullan\u0131c\u0131 ad\u0131, parola, kredi kart\u0131 numaras\u0131 gibi hassas bilgilerini girer. Girdi\u011fi t\u00fcm bilgiler, do\u011frudan sald\u0131rganlar\u0131n veri taban\u0131na kaydedilir ve daha sonra doland\u0131r\u0131c\u0131l\u0131k veya kimlik h\u0131rs\u0131zl\u0131\u011f\u0131 i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kotu-Amacli-Yazilim-Malware-Yayma-Sahte-Indirme-Sitelerine-Yonlendirme\"><\/span>K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m (Malware) Yayma: Sahte \u0130ndirme Sitelerine Y\u00f6nlendirme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sald\u0131rganlar, pop\u00fcler programlar\u0131n veya g\u00fcncellemelerin (\u00f6rne\u011fin, Adobe Flash Player, Java) resmi indirme sitelerini taklit eden sahte web siteleri olu\u015fturur. DNS Hijacking ile kullan\u0131c\u0131lar\u0131 bu sahte sitelere y\u00f6nlendirirler. Kullan\u0131c\u0131, me\u015fru bir g\u00fcncelleme indirdi\u011fini d\u00fc\u015f\u00fcnerek dosyay\u0131 \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131nda, asl\u0131nda bilgisayar\u0131na fidye yaz\u0131l\u0131m\u0131 (ransomware), casus yaz\u0131l\u0131m (spyware) veya bankac\u0131l\u0131k Truva at\u0131 gibi tehlikeli zararl\u0131 yaz\u0131l\u0131mlar\u0131 bula\u015ft\u0131rm\u0131\u015f olur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Istenmeyen-Reklam-Gosterimi-Adware-ve-Trafik-Yonlendirme\"><\/span>\u0130stenmeyen Reklam G\u00f6sterimi (Adware) ve Trafik Y\u00f6nlendirme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Baz\u0131 DNS Hijacking sald\u0131r\u0131lar\u0131n\u0131n amac\u0131 daha az zararl\u0131 gibi g\u00f6r\u00fcnse de olduk\u00e7a can s\u0131k\u0131c\u0131 olabilir. Bu t\u00fcr sald\u0131r\u0131larda, kullan\u0131c\u0131 belirli web sitelerine gitmek istedi\u011finde, araya giren veya sayfan\u0131n \u00fczerine a\u00e7\u0131lan bol miktarda istenmeyen reklamla (pop-up) kar\u015f\u0131la\u015f\u0131r. Sald\u0131rganlar, bu reklamlar\u0131n g\u00f6sterimi veya t\u0131klanmas\u0131 \u00fczerinden gelir elde eder. Ayr\u0131ca, belirli bir web sitesinin trafi\u011fini yapay olarak art\u0131rmak veya rakip bir sitenin ziyaret\u00e7ilerini \u00e7almak i\u00e7in de bu y\u00f6ntem kullan\u0131labilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sansur-ve-Icerik-Engelleme\"><\/span>Sans\u00fcr ve \u0130\u00e7erik Engelleme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS y\u00f6nlendirme, bazen devletler veya kurumlar taraf\u0131ndan belirli i\u00e7eriklere eri\u015fimi engellemek amac\u0131yla da kullan\u0131labilir. Belirli bir web sitesine yap\u0131lan DNS sorgular\u0131, o site yerine eri\u015fimin engellendi\u011fini belirten bir uyar\u0131 sayfas\u0131na y\u00f6nlendirilebilir. Bu, teknik olarak bir &#8220;hijacking&#8221; olsa da, amac\u0131 genellikle yasa d\u0131\u015f\u0131 faaliyetlerden ziyade i\u00e7erik kontrol\u00fc ve sans\u00fcr uygulamakt\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kullanicilar-ve-Kurumlar-Icin-DNS-Hijacking-Riskleri\"><\/span>Kullan\u0131c\u0131lar ve Kurumlar \u0130\u00e7in DNS Hijacking Riskleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS Hijacking, hem bireysel kullan\u0131c\u0131lar hem de kurumsal yap\u0131lar i\u00e7in ciddi g\u00fcvenlik riskleri bar\u0131nd\u0131r\u0131r. Sald\u0131r\u0131n\u0131n sonu\u00e7lar\u0131, basit bir veri s\u0131z\u0131nt\u0131s\u0131ndan b\u00fcy\u00fck finansal kay\u0131plara ve itibar zedelenmesine kadar uzanabilir. Bu riskleri anlamak, korunma y\u00f6ntemlerinin \u00f6nemini daha iyi kavramam\u0131z\u0131 sa\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kisisel-ve-Finansal-Verilerin-Calinmasi\"><\/span>Ki\u015fisel ve Finansal Verilerin \u00c7al\u0131nmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bireysel kullan\u0131c\u0131lar i\u00e7in en b\u00fcy\u00fck risk, ki\u015fisel ve finansal verilerin \u00e7al\u0131nmas\u0131d\u0131r. Sahte bir bankac\u0131l\u0131k sitesine girilen internet bankac\u0131l\u0131\u011f\u0131 \u015fifreleri, e-ticaret sitelerine girilen kredi kart\u0131 bilgileri veya sosyal medya hesaplar\u0131n\u0131n parolalar\u0131, siber su\u00e7lular taraf\u0131ndan an\u0131nda ele ge\u00e7irilebilir. Bu bilgiler, hesaplar\u0131n bo\u015falt\u0131lmas\u0131, ad\u0131n\u0131za al\u0131\u015fveri\u015f yap\u0131lmas\u0131 veya \u00f6zel bilgilerinizin if\u015fa edilmesi gibi sonu\u00e7lara yol a\u00e7abilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kimlik-Hirsizligi-ve-Dolandiricilik\"><\/span>Kimlik H\u0131rs\u0131zl\u0131\u011f\u0131 ve Doland\u0131r\u0131c\u0131l\u0131k<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ele ge\u00e7irilen ki\u015fisel bilgiler (T.C. kimlik numaras\u0131, adres, telefon vb.), kimlik h\u0131rs\u0131zl\u0131\u011f\u0131 i\u00e7in kullan\u0131labilir. Sald\u0131rganlar, bu bilgileri kullanarak ad\u0131n\u0131za sahte hesaplar a\u00e7abilir, kredi ba\u015fvurusunda bulunabilir veya yasa d\u0131\u015f\u0131 faaliyetlerde kimli\u011finizi kullanabilir. Bu durum, ma\u011fdurlar i\u00e7in uzun ve yorucu bir hukuki s\u00fcreci beraberinde getirebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cihazlara-ve-Aglara-Kotu-Amacli-Yazilim-Bulasmasi\"><\/span>Cihazlara ve A\u011flara K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m Bula\u015fmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kullan\u0131c\u0131lar\u0131n sahte indirme sitelerine y\u00f6nlendirilmesi, cihazlara ve yerel a\u011flara ciddi zararlar verebilecek k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n bula\u015fmas\u0131na neden olur. \u00d6zellikle fidye yaz\u0131l\u0131mlar\u0131 (ransomware), t\u00fcm dosyalar\u0131n\u0131z\u0131 \u015fifreleyerek eri\u015filemez hale getirebilir ve dosyalar\u0131n\u0131z\u0131 geri almak i\u00e7in sizden fidye talep edebilir. Kurumsal bir a\u011fa bula\u015fan bir zararl\u0131 yaz\u0131l\u0131m ise t\u00fcm \u015firketin operasyonlar\u0131n\u0131 durma noktas\u0131na getirebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kurumsal-Itibar-Kaybi-ve-Musteri-Guveninin-Sarsilmasi\"><\/span>Kurumsal \u0130tibar Kayb\u0131 ve M\u00fc\u015fteri G\u00fcveninin Sars\u0131lmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kurumlar i\u00e7in riskler \u00e7ok daha b\u00fcy\u00fckt\u00fcr. E\u011fer bir \u015firketin resmi web sitesi i\u00e7in yap\u0131lan DNS sorgular\u0131, oltalama sitelerine y\u00f6nlendirilirse, bu durum do\u011frudan \u015firketin m\u00fc\u015fterilerini hedef al\u0131r. M\u00fc\u015fterilerinin verilerini koruyamayan bir \u015firket, ciddi bir itibar kayb\u0131 ya\u015far. Bu durum, m\u00fc\u015fteri g\u00fcveninin sars\u0131lmas\u0131na, mevcut m\u00fc\u015fterilerin kayb\u0131na ve potansiyel m\u00fc\u015fterilerin de \u015firketten uzak durmas\u0131na neden olur. Ayr\u0131ca, bu t\u00fcr bir g\u00fcvenlik ihlali, yasal yapt\u0131r\u0131mlar\u0131 ve b\u00fcy\u00fck para cezalar\u0131n\u0131 da beraberinde getirebilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Hijacking-Kurbani-Oldugunuzu-Gosteren-Isaretler\"><\/span>DNS Hijacking Kurban\u0131 Oldu\u011funuzu G\u00f6steren \u0130\u015faretler<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS Hijacking sald\u0131r\u0131lar\u0131 genellikle gizlice \u00e7al\u0131\u015f\u0131r ve kullan\u0131c\u0131lar\u0131n fark etmesi zor olabilir. Ancak dikkatli bir g\u00f6z, baz\u0131 anormallikleri tespit ederek bir sald\u0131r\u0131n\u0131n kurban\u0131 olup olmad\u0131\u011f\u0131n\u0131z\u0131 anlaman\u0131za yard\u0131mc\u0131 olabilir. A\u015fa\u011f\u0131daki belirtilerden bir veya birka\u00e7\u0131n\u0131 ya\u015f\u0131yorsan\u0131z, DNS ayarlar\u0131n\u0131z\u0131n ele ge\u00e7irilmi\u015f olma ihtimali y\u00fcksektir.<\/p>\n<div class=\"karsilastirma\">\n<table>\n<thead>\n<tr>\n<th>\u0130\u015faret\/Belirti<\/th>\n<th>A\u00e7\u0131klama<\/th>\n<th>Ne Anlama Gelir?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>Web Sitelerinin G\u00f6r\u00fcn\u00fcm\u00fc<\/b><\/td>\n<td>S\u0131k ziyaret etti\u011finiz g\u00fcvenilir siteler (banka, sosyal medya) her zamankinden farkl\u0131 g\u00f6r\u00fcn\u00fcyor. Tasar\u0131mda amat\u00f6rce hatalar, yaz\u0131m yanl\u0131\u015flar\u0131 veya eksik g\u00f6rseller var.<\/td>\n<td>Bu, sitenin birebir kopyalanm\u0131\u015f sahte bir versiyonuna (phishing sitesi) y\u00f6nlendirildi\u011finizin g\u00fc\u00e7l\u00fc bir g\u00f6stergesidir.<\/td>\n<\/tr>\n<tr>\n<td><b>Beklenmedik Reklamlar<\/b><\/td>\n<td>Normalde reklam g\u00f6stermeyen sitelerde bile s\u00fcrekli olarak a\u00e7\u0131l\u0131r pencereler (pop-up) veya sayfa i\u00e7eri\u011fini kapatan reklamlar beliriyor.<\/td>\n<td>DNS sorgular\u0131n\u0131z, sizi reklam geliri elde etmeyi ama\u00e7layan sunucular \u00fczerinden hedef siteye y\u00f6nlendiriyor olabilir.<\/td>\n<\/tr>\n<tr>\n<td><b>SSL\/TLS Sertifika Hatalar\u0131<\/b><\/td>\n<td>Taray\u0131c\u0131n\u0131z, g\u00fcvenli (HTTPS) sitelere girerken s\u0131k s\u0131k &#8220;Ba\u011flant\u0131n\u0131z gizli de\u011fil&#8221; veya &#8220;G\u00fcvenlik sertifikas\u0131 ge\u00e7ersiz&#8221; gibi uyar\u0131lar veriyor.<\/td>\n<td>Sald\u0131rgan\u0131n sahte sitesi, me\u015fru bir <a href=\"https:\/\/www.ihs.com.tr\/ssl\/\" target=\"_blank\">SSL sertifikas\u0131<\/a> sa\u011flayamad\u0131\u011f\u0131 i\u00e7in taray\u0131c\u0131n\u0131z sizi uyarmaya \u00e7al\u0131\u015f\u0131yordur. Bu \u00e7ok \u00f6nemli bir i\u015farettir.<\/td>\n<\/tr>\n<tr>\n<td><b>Genel Yava\u015flama<\/b><\/td>\n<td>\u0130nternet ba\u011flant\u0131n\u0131z, \u00f6zellikle web sitelerinin y\u00fcklenme s\u00fcreleri, normalden belirgin \u015fekilde daha yava\u015f.<\/td>\n<td>DNS sorgular\u0131n\u0131z\u0131n sald\u0131rgan\u0131n sunucular\u0131 gibi ek bir duraktan ge\u00e7mesi, s\u00fcreci yava\u015flatabilir ve genel internet performans\u0131n\u0131z\u0131 d\u00fc\u015f\u00fcrebilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Sik-Girdiginiz-Web-Sitelerinin-Farkli-Gorunmesi\"><\/span>S\u0131k Girdi\u011finiz Web Sitelerinin Farkl\u0131 G\u00f6r\u00fcnmesi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>En belirgin i\u015faretlerden biri, iyi bildi\u011finiz bir web sitesinin aniden farkl\u0131 g\u00f6r\u00fcnmesidir. Renkler, logolar, yaz\u0131 tipleri veya sayfa d\u00fczeni size yabanc\u0131 geliyorsa dikkatli olmal\u0131s\u0131n\u0131z. Sald\u0131rganlar genellikle siteleri birebir kopyalamaya \u00e7al\u0131\u015fsalar da, k\u00fc\u00e7\u00fck tasar\u0131m hatalar\u0131 veya yaz\u0131m yanl\u0131\u015flar\u0131 kendilerini ele verebilir. \u00d6zellikle giri\u015f yapman\u0131z\u0131 gerektiren sayfalarda bu detaya \u00e7ok dikkat edin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tarayicida-Surekli-Beliren-Beklenmedik-Reklamlar-ve-Acilir-Pencereler\"><\/span>Taray\u0131c\u0131da S\u00fcrekli Beliren Beklenmedik Reklamlar ve A\u00e7\u0131l\u0131r Pencereler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>E\u011fer internette gezinirken her k\u00f6\u015fe ba\u015f\u0131ndan reklamlar f\u0131rl\u0131yorsa, bu durum bir adware bula\u015fmas\u0131n\u0131n veya DNS y\u00f6nlendirmesinin habercisi olabilir. DNS sorgular\u0131n\u0131z, sizi \u00f6nce bir reklam sunucusuna, ard\u0131ndan gitmek istedi\u011finiz siteye y\u00f6nlendiriyor olabilir. Bu durum, sadece can s\u0131k\u0131c\u0131 olmakla kalmaz, ayn\u0131 zamanda bu reklamlar\u0131n k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m i\u00e7erme riskini de ta\u015f\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guvenlik-Sertifikasi-SSLTLS-Hatalari-ve-Uyarilari\"><\/span>G\u00fcvenlik Sertifikas\u0131 (SSL\/TLS) Hatalar\u0131 ve Uyar\u0131lar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Modern web taray\u0131c\u0131lar\u0131, HTTPS ile korunan sitelere ba\u011fland\u0131\u011f\u0131n\u0131zda adres \u00e7ubu\u011funda bir kilit simgesi g\u00f6sterir. E\u011fer bir banka veya e-ticaret sitesine girdi\u011finizde bu kilit simgesi yoksa veya taray\u0131c\u0131n\u0131z s\u00fcrekli olarak g\u00fcvenlik sertifikas\u0131yla ilgili hatalar veriyorsa, bu \u00e7ok ciddi bir tehlike i\u015faretidir. Sahte siteler genellikle ge\u00e7erli bir g\u00fcvenlik sertifikas\u0131na sahip olamaz, bu y\u00fczden taray\u0131c\u0131n\u0131z sizi bu \u015fekilde uyarmaya \u00e7al\u0131\u015f\u0131r. Bu uyar\u0131lara mutlaka kulak verin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Internet-Baglantisinin-Genel-Yavaslamasi\"><\/span>\u0130nternet Ba\u011flant\u0131s\u0131n\u0131n Genel Yava\u015flamas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS sorgular\u0131n\u0131z\u0131n normal rotas\u0131ndan \u00e7\u0131k\u0131p sald\u0131rgan\u0131n kontrol\u00fcndeki sunucular \u00fczerinden daha uzun bir yol kat etmesi, web sayfalar\u0131n\u0131n y\u00fcklenme s\u00fcresini art\u0131rabilir. E\u011fer internet h\u0131z\u0131n\u0131zda genel bir d\u00fc\u015f\u00fc\u015f fark ediyorsan\u0131z ve bu durum \u00f6zellikle yeni bir web sitesine ilk kez girerken belirginle\u015fiyorsa, DNS ayarlar\u0131n\u0131z\u0131 kontrol etmenizde fayda var.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Hijacking-Saldirilarina-Karsi-Korunma-Yontemleri\"><\/span>DNS Hijacking Sald\u0131r\u0131lar\u0131na Kar\u015f\u0131 Korunma Y\u00f6ntemleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS Hijacking, hem bireysel kullan\u0131c\u0131lar\u0131 hem de kurumlar\u0131 hedef alan ciddi bir tehdit olsa da, do\u011fru \u00f6nlemler al\u0131narak riski en aza indirmek m\u00fcmk\u00fcnd\u00fcr. Korunma stratejileri, temel siber hijyen al\u0131\u015fkanl\u0131klar\u0131ndan geli\u015fmi\u015f kurumsal g\u00fcvenlik \u00e7\u00f6z\u00fcmlerine kadar geni\u015f bir yelpazeyi kapsar. Bu \u00f6nlemler, kullan\u0131c\u0131lar ve kurumlar i\u00e7in farkl\u0131l\u0131k g\u00f6sterebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bireysel-Kullanicilar-Icin-Onlemler\"><\/span>Bireysel Kullan\u0131c\u0131lar \u0130\u00e7in \u00d6nlemler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcnl\u00fck internet kullan\u0131c\u0131lar\u0131n\u0131n alabilece\u011fi basit ama etkili \u00f6nlemler, b\u00fcy\u00fck \u00f6l\u00e7\u00fcde g\u00fcvenlik sa\u011flar. Bu ad\u0131mlar, siber sald\u0131rganlar\u0131n en yayg\u0131n kulland\u0131\u011f\u0131 giri\u015f noktalar\u0131n\u0131 kapatmaya y\u00f6neliktir.<\/p>\n<h4>G\u00fcvenilir ve \u015eifreli DNS Sunucular\u0131 Kullanmak (DoH, DoT)<\/h4>\n<p>\u0130nternet servis sa\u011flay\u0131c\u0131n\u0131z\u0131n varsay\u0131lan DNS sunucular\u0131 yerine, g\u00fcvenlik ve gizlili\u011fe odaklanm\u0131\u015f \u00fc\u00e7\u00fcnc\u00fc taraf DNS hizmetlerini kullanmak iyi bir ba\u015flang\u0131\u00e7t\u0131r. Google (8.8.8.8), Cloudflare (1.1.1.1) veya Quad9 (9.9.9.9) gibi sa\u011flay\u0131c\u0131lar, genellikle daha h\u0131zl\u0131 ve g\u00fcvenlidir. Daha da \u00f6nemlisi, DNS over HTTPS (DoH) ve DNS over TLS (DoT) gibi teknolojileri destekleyen bir <a href=\"https:\/\/www.ihs.com.tr\/sunucu-kiralama\/\" target=\"_blank\">sunucu<\/a> veya taray\u0131c\u0131 kullanmakt\u0131r. Bu teknolojiler, DNS sorgular\u0131n\u0131z\u0131 \u015fifreleyerek Man-in-the-Middle sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flar.<\/p>\n<h4>Modem ve Router Y\u00f6netici Paneli \u015eifresini De\u011fi\u015ftirmek<\/h4>\n<p>Bu, en kritik ad\u0131mlardan biridir. Modeminizin veya router&#8217;\u0131n\u0131z\u0131n y\u00f6netim paneli \u015fifresini, fabrika ayarlar\u0131nda gelen &#8220;admin&#8221;, &#8220;password&#8221; gibi kolay tahmin edilebilir varsay\u0131lanlardan, karma\u015f\u0131k ve benzersiz bir \u015fifreyle de\u011fi\u015ftirmelisiniz. Bu basit \u00f6nlem, sald\u0131rganlar\u0131n a\u011f ge\u00e7idinize s\u0131zarak t\u00fcm a\u011f\u0131n\u0131z\u0131n DNS ayarlar\u0131n\u0131 de\u011fi\u015ftirmesini engeller.<\/p>\n<h4>G\u00fc\u00e7l\u00fc ve G\u00fcncel Bir Antivir\u00fcs Yaz\u0131l\u0131m\u0131 Kullanmak<\/h4>\n<p>G\u00fcvenilir bir antivir\u00fcs veya internet g\u00fcvenli\u011fi yaz\u0131l\u0131m\u0131, yerel DNS Hijacking&#8217;e neden olan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 tespit edip engellemede hayati bir rol oynar. Bu t\u00fcr yaz\u0131l\u0131mlar, bilgisayar\u0131n\u0131za s\u0131zmaya \u00e7al\u0131\u015fan Truva atlar\u0131n\u0131 ve di\u011fer zararl\u0131lar\u0131 engelleyerek i\u015fletim sisteminizin DNS ayarlar\u0131n\u0131n de\u011fi\u015ftirilmesinin \u00f6n\u00fcne ge\u00e7er. Yaz\u0131l\u0131m\u0131n\u0131z\u0131 her zaman g\u00fcncel tuttu\u011funuzdan emin olun.<\/p>\n<h4>Ziyaret Edilen Sitelerde HTTPS ve Kilit Simgesini Kontrol Etmek<\/h4>\n<p>\u00d6zellikle ki\u015fisel bilgilerinizi veya finansal verilerinizi girece\u011finiz web sitelerinde, taray\u0131c\u0131n\u0131n adres \u00e7ubu\u011funda &#8220;https:\/\/&#8221;&#8221; \u00f6n ekini ve kilit simgesini mutlaka kontrol edin. Bu simge, site ile aran\u0131zdaki ileti\u015fimin \u015fifrelendi\u011fini ve sitenin kimli\u011finin bir sertifika ile do\u011fruland\u0131\u011f\u0131n\u0131 g\u00f6sterir. Bir DNS Hijacking sald\u0131r\u0131s\u0131 sonucu sahte bir siteye y\u00f6nlendirilseniz bile, o sitenin ge\u00e7erli bir sertifikas\u0131 olmayaca\u011f\u0131 i\u00e7in bu kontrol sizi koruyacakt\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kurumlar-ve-Web-Sitesi-Sahipleri-Icin-Onlemler\"><\/span>Kurumlar ve Web Sitesi Sahipleri \u0130\u00e7in \u00d6nlemler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kurumlar i\u00e7in DNS g\u00fcvenli\u011fi, hem kendi a\u011flar\u0131n\u0131 hem de m\u00fc\u015fterilerini korumak ad\u0131na kritik bir \u00f6neme sahiptir. Al\u0131nacak \u00f6nlemler daha teknik ve kapsaml\u0131d\u0131r.<\/p>\n<h4>DNSSEC (Domain Name System Security Extensions) Kullan\u0131m\u0131<\/h4>\n<p>DNSSEC, DNS verilerinin do\u011frulu\u011funu ve b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flamak i\u00e7in tasarlanm\u0131\u015f bir g\u00fcvenlik protokol\u00fcd\u00fcr. Dijital imzalar kullanarak, bir DNS yan\u0131t\u0131n\u0131n ger\u00e7ekten yetkili sunucudan geldi\u011fini ve yolda de\u011fi\u015ftirilmedi\u011fini do\u011frular. Web sitesi sahiplerinin, alan adlar\u0131 i\u00e7in DNSSEC&#8217;i etkinle\u015ftirmesi, m\u00fc\u015fterilerini DNS Spoofing ve Hijacking sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korumada en etkili y\u00f6ntemlerden biridir.<\/p>\n<h4>G\u00fcvenilir DNS Sa\u011flay\u0131c\u0131lar\u0131 ile \u00c7al\u0131\u015fmak<\/h4>\n<p>Kurumlar, kendi DNS altyap\u0131lar\u0131n\u0131 y\u00f6netmek yerine, geli\u015fmi\u015f g\u00fcvenlik \u00f6zellikleri sunan profesyonel DNS <a href=\"https:\/\/www.ihs.com.tr\/web-hosting\/\" target=\"_blank\">hosting<\/a> sa\u011flay\u0131c\u0131lar\u0131 ile \u00e7al\u0131\u015fmal\u0131d\u0131r. Bu sa\u011flay\u0131c\u0131lar genellikle DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma, co\u011frafi olarak da\u011f\u0131t\u0131lm\u0131\u015f bir altyap\u0131 ve DNSSEC gibi g\u00fcvenlik katmanlar\u0131n\u0131 standart olarak sunarlar. Bu, hem performans\u0131 art\u0131r\u0131r hem de g\u00fcvenli\u011fi en \u00fcst d\u00fczeye \u00e7\u0131kar\u0131r.<\/p>\n<h4>A\u011f Trafi\u011fini \u0130zleme ve Anomali Tespiti<\/h4>\n<p>Kurumsal a\u011flardaki DNS trafi\u011finin s\u00fcrekli olarak izlenmesi, anormal sorgu desenlerinin veya beklenmedik DNS sunucular\u0131na yap\u0131lan isteklerin tespit edilmesini sa\u011flar. Geli\u015fmi\u015f g\u00fcvenlik duvarlar\u0131 (Firewall) ve Sald\u0131r\u0131 Tespit Sistemleri (IDS), \u015f\u00fcpheli DNS aktivitelerini belirleyip otomatik olarak engelleyebilir. Bu proaktif yakla\u015f\u0131m, bir sald\u0131r\u0131 daha geni\u015f bir etki yaratmadan \u00f6nce onu durdurmaya yard\u0131mc\u0131 olur.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Guvenliginiz-Icin-Neden-IHS-Telekomu-Tercih-Etmelisiniz\"><\/span>DNS G\u00fcvenli\u011finiz \u0130\u00e7in Neden \u0130HS Telekom&#8217;u Tercih Etmelisiniz?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DNS g\u00fcvenli\u011fi, dijital varl\u0131\u011f\u0131n\u0131z\u0131n temel ta\u015f\u0131d\u0131r ve bu kritik altyap\u0131y\u0131 korumak i\u00e7in uzmanl\u0131k ve g\u00fcvenilir bir teknoloji orta\u011f\u0131 gerektirir. \u0130HS Telekom, y\u0131llar\u0131n tecr\u00fcbesi ve sundu\u011fu geli\u015fmi\u015f hizmetlerle, bireysel ve kurumsal m\u00fc\u015fterilerinin DNS altyap\u0131s\u0131n\u0131 siber tehditlere kar\u015f\u0131 koruma alt\u0131na alarak, internet operasyonlar\u0131n\u0131n kesintisiz ve g\u00fcvenli bir \u015fekilde devam etmesini sa\u011flar. Hem <a href=\"https:\/\/www.ihs.com.tr\/web-hosting\/wordpress-hosting.html\" target=\"_blank\">wordpress hosting<\/a> siteniz, hem de di\u011fer altyap\u0131lardaki siteleriniz i\u00e7in g\u00fcvenli bir liman sunar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gelismis-DNS-Yonetim-Hizmetleri\"><\/span>Geli\u015fmi\u015f DNS Y\u00f6netim Hizmetleri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0130HS Telekom, kullan\u0131c\u0131 dostu ve g\u00fc\u00e7l\u00fc bir kontrol paneli \u00fczerinden t\u00fcm DNS kay\u0131tlar\u0131n\u0131z\u0131 (A, CNAME, MX, TXT vb.) kolayca y\u00f6netmenize olanak tan\u0131r. Sezgisel aray\u00fcz sayesinde teknik bilgiye ihtiya\u00e7 duymadan, karma\u015f\u0131k DNS ayarlar\u0131n\u0131 bile saniyeler i\u00e7inde yapabilir, web sitenizin ve e-posta hizmetlerinizin do\u011fru \u015fekilde \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flayabilirsiniz. Bu panel, olas\u0131 bir sald\u0131r\u0131 sonras\u0131 h\u0131zl\u0131 m\u00fcdahale ve d\u00fczeltme imkan\u0131 da sunar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DNSSEC-Destegi-ile-Alan-Adi-Guvenligi\"><\/span>DNSSEC Deste\u011fi ile Alan Ad\u0131 G\u00fcvenli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00fc\u015fterilerini ve onlar\u0131n kullan\u0131c\u0131lar\u0131n\u0131 DNS sahtekarl\u0131\u011f\u0131na kar\u015f\u0131 koruman\u0131n \u00f6neminin bilincinde olan \u0130HS Telekom, DNSSEC (Domain Name System Security Extensions) teknolojisini desteklemektedir. Alan adlar\u0131n\u0131z i\u00e7in DNSSEC&#8217;i kolayca aktif ederek, DNS verilerinizin dijital olarak imzalanmas\u0131n\u0131 ve do\u011frulanmas\u0131n\u0131 sa\u011flayabilirsiniz. Bu, ziyaret\u00e7ilerinizin her zaman do\u011fru web sitesine ula\u015ft\u0131\u011f\u0131ndan emin olman\u0131z\u0131 sa\u011flayan en g\u00fc\u00e7l\u00fc savunma katmanlar\u0131ndan biridir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DDoS-Korumali-Premium-DNS-Altyapisi\"><\/span>DDoS Korumal\u0131 Premium DNS Altyap\u0131s\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS sunucular\u0131, hizmet kesintisine yol a\u00e7may\u0131 hedefleyen DDoS (Distributed Denial-of-Service) sald\u0131r\u0131lar\u0131n\u0131n s\u0131k hedefidir. \u0130HS Telekom&#8217;un Premium DNS altyap\u0131s\u0131, co\u011frafi olarak d\u00fcnyan\u0131n farkl\u0131 noktalar\u0131na da\u011f\u0131t\u0131lm\u0131\u015f ve y\u00fcksek kapasiteli sunuculardan olu\u015fur. Bu yap\u0131, hem DNS sorgular\u0131na en yak\u0131n noktadan yan\u0131t vererek web sitenizin a\u00e7\u0131l\u0131\u015f h\u0131z\u0131n\u0131 art\u0131r\u0131r hem de olas\u0131 bir DDoS sald\u0131r\u0131s\u0131n\u0131n etkisini da\u011f\u0131tarak hizmet s\u00fcreklili\u011fini garanti alt\u0131na al\u0131r. DNS altyap\u0131n\u0131z, sald\u0131r\u0131lara kar\u015f\u0131 7\/24 korunur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"724-Uzman-Teknik-Destek-ve-Danismanlik\"><\/span>7\/24 Uzman Teknik Destek ve Dan\u0131\u015fmanl\u0131k<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS gibi kritik bir konuda ya\u015fanabilecek en k\u00fc\u00e7\u00fck bir sorun bile b\u00fcy\u00fck kay\u0131plara yol a\u00e7abilir. \u0130HS Telekom&#8217;un alan\u0131nda uzman teknik destek ekibi, DNS ile ilgili her t\u00fcrl\u00fc sorunuz veya sorununuz i\u00e7in 7\/24 yard\u0131ma haz\u0131rd\u0131r. Gerek kurulum ve yap\u0131land\u0131rma a\u015famas\u0131nda gerekse olas\u0131 bir g\u00fcvenlik endi\u015fesi durumunda, uzman ekibimizden h\u0131zl\u0131 ve etkili destek alarak DNS altyap\u0131n\u0131z\u0131n emin ellerde oldu\u011funu bilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130nternet, g\u00fcnl\u00fck hayat\u0131m\u0131z\u0131n vazge\u00e7ilmez bir par\u00e7as\u0131 haline geldi. Bankac\u0131l\u0131k i\u015flemlerinden al\u0131\u015fveri\u015fe, e\u011fitimden e\u011flenceye kadar her an\u0131m\u0131z\u0131 dijital d\u00fcnyada ge\u00e7iriyoruz. Peki, taray\u0131c\u0131n\u0131za bir&hellip;<\/p>\n","protected":false},"author":3,"featured_media":16038,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[466],"tags":[],"class_list":["post-16037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilgi-guvenligi"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=16037"}],"version-history":[{"count":1,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16037\/revisions"}],"predecessor-version":[{"id":16039,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16037\/revisions\/16039"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media\/16038"}],"wp:attachment":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=16037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=16037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=16037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}