{"id":22494,"date":"2024-12-11T07:20:07","date_gmt":"2024-12-11T04:20:07","guid":{"rendered":"https:\/\/www.cenuta.com\/blog\/?p=22494"},"modified":"2024-12-11T20:09:11","modified_gmt":"2024-12-11T17:09:11","slug":"iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir","status":"publish","type":"post","link":"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/","title":{"rendered":"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (2FA) Nedir? Nas\u0131l \u00c7al\u0131\u015f\u0131r ve Neden Kullan\u0131lmal\u0131d\u0131r?"},"content":{"rendered":"\n<p>G\u00fcvenli\u011fin \u00f6neminin her ge\u00e7en g\u00fcn artt\u0131\u011f\u0131 dijital d\u00fcnyada, iki fakt\u00f6rl\u00fc kimlik do\u011frulama (2FA) kullan\u0131c\u0131lar\u0131n hesaplar\u0131n\u0131 korumak i\u00e7in ald\u0131\u011f\u0131 \u00f6nemli \u00f6nlemlerden biri haline gelmi\u015ftir. Bu makalede, 2FA\u2019n\u0131n ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve neden kullan\u0131lmas\u0131 gerekti\u011fini detayl\u0131 bir \u015fekilde inceleyece\u011fiz.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a209fdc3a98d\" 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-6a209fdc3a98d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Iki_Faktorlu_Kimlik_Dogrulama_Nedir\" title=\"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nedir?\">\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Iki_Faktorlu_Kimlik_Dogrulama_Nasil_Calisir\" title=\"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nas\u0131l \u00c7al\u0131\u015f\u0131r?\">\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/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.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Iki_Faktorlu_Kimlik_Dogrulama_Yontemleri\" title=\"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Y\u00f6ntemleri\">\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Y\u00f6ntemleri<\/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.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Neden_Iki_Faktorlu_Kimlik_Dogrulama_Kullanilmalidir\" title=\"Neden \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Kullan\u0131lmal\u0131d\u0131r?\">Neden \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Kullan\u0131lmal\u0131d\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Iki_Faktorlu_Kimlik_Dogrulamanin_Avantajlari\" title=\"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulaman\u0131n Avantajlar\u0131\">\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulaman\u0131n Avantajlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/#Sonuc\" title=\"Sonu\u00e7\">Sonu\u00e7<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Nedir\"><\/span>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama (2FA), bir kullan\u0131c\u0131n\u0131n bir hesaba eri\u015fim sa\u011flamas\u0131 i\u00e7in iki farkl\u0131 do\u011frulama y\u00f6ntemini bir arada kullanmas\u0131n\u0131 gerektiren bir g\u00fcvenlik sistemidir. Geleneksel \u015fifre tabanl\u0131 kimlik do\u011frulama y\u00f6ntemine ek olarak ikinci bir do\u011frulama katman\u0131 eklenir. Bu ikinci katman, \u00e7al\u0131nt\u0131 \u015fifrelerle bile hesaplar\u0131n ele ge\u00e7irilmesini zorla\u015ft\u0131r\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Nasil_Calisir\"><\/span>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2FA, bir kullan\u0131c\u0131n\u0131n hesab\u0131na giri\u015f yapmas\u0131 i\u00e7in iki farkl\u0131 do\u011frulama a\u015famas\u0131 sunar. Bu a\u015famalar genellikle \u015fu \u015fekilde i\u015fler:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>Birinci A\u015fama: \u015eifre Giri\u015fi<\/strong><\/li><\/ol>\n\n\n\n<ul class=\"wp-block-list\"><li>Kullan\u0131c\u0131, hesaba eri\u015fim i\u00e7in geleneksel \u015fifresini girer.<\/li><\/ul>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u0130kinci A\u015fama: Ek Do\u011frulama<\/strong><\/li><\/ol>\n\n\n\n<ul class=\"wp-block-list\"><li>Bu a\u015famada kullan\u0131c\u0131ya ek bir do\u011frulama y\u00f6ntemi sunulur. Bu y\u00f6ntemler \u015funlar olabilir:<ul><li>SMS ile gelen do\u011frulama kodu<\/li><li>E-posta ile g\u00f6nderilen do\u011frulama kodu<\/li><li>Google Authenticator veya benzeri bir kimlik do\u011frulama uygulamas\u0131ndaki kod<\/li><li>Uygulama bildirimi (Google, Microsoft gibi firmalar\u0131n sundu\u011fu bildirim onay\u0131)<\/li><\/ul><\/li><\/ul>\n\n\n\n<p>Kullan\u0131c\u0131 bu ikinci a\u015famay\u0131 da ge\u00e7tikten sonra hesab\u0131na eri\u015fim sa\u011flayabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Yontemleri\"><\/span>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Y\u00f6ntemleri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2FA\u2019n\u0131n kullan\u0131lmas\u0131 i\u00e7in farkl\u0131 y\u00f6ntemler bulunur. Bu y\u00f6ntemlerin her biri, kullan\u0131c\u0131 g\u00fcvenli\u011fini art\u0131rmak i\u00e7in farkl\u0131 bir a\u015famada kullan\u0131labilir.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>SMS Do\u011frulamas\u0131:<\/strong> Kullan\u0131c\u0131ya bir kod SMS ile g\u00f6nderilir ve bu kodun do\u011fru girilmesi istenir.<\/li><li><strong>E-posta Do\u011frulamas\u0131:<\/strong> E-posta adresine bir do\u011frulama kodu g\u00f6nderilir. Bu kodun girilmesiyle do\u011frulama tamamlan\u0131r.<\/li><li><strong>Kimlik Do\u011frulama Uygulamalar\u0131:<\/strong> Google Authenticator, Microsoft Authenticator gibi uygulamalar\u0131n s\u00fcrekli yenilenen kodlar\u0131 kullan\u0131l\u0131r.<\/li><li><strong>Uygulama Bildirimi:<\/strong> Bilgisayardan giri\u015f yap\u0131ld\u0131\u011f\u0131nda, kullan\u0131c\u0131n\u0131n telefonuna bir bildirim g\u00f6nderilir ve bu bildirime onay vermesi istenir.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Neden_Iki_Faktorlu_Kimlik_Dogrulama_Kullanilmalidir\"><\/span>Neden \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Kullan\u0131lmal\u0131d\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2FA\u2019n\u0131n kullan\u0131lmas\u0131n\u0131n temel nedeni, kullan\u0131c\u0131 hesaplar\u0131n\u0131 daha g\u00fcvenli hale getirmektir. Kullan\u0131c\u0131lar\u0131n \u015fifrelerini ele ge\u00e7iren siber sald\u0131rganlar, ek bir do\u011frulama katman\u0131 olmadan hesaba eri\u015fim sa\u011flayabilir. Ancak 2FA, \u015fifre d\u0131\u015f\u0131nda ek bir do\u011frulama gerektirdi\u011fi i\u00e7in s\u0131z\u0131nt\u0131n\u0131n zararl\u0131 sonu\u00e7lar\u0131n\u0131 engeller.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulamanin_Avantajlari\"><\/span>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulaman\u0131n Avantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Hesap G\u00fcvenli\u011fi:<\/strong> Kullan\u0131c\u0131n\u0131n \u015fifresi \u00e7al\u0131nsa bile ikinci bir do\u011frulama gerektirdi\u011fi i\u00e7in hesaba eri\u015fim zorla\u015ft\u0131r\u0131l\u0131r.<\/li><li><strong>Kolay Kurulum:<\/strong> SMS, e-posta veya uygulama ile 2FA\u2019y\u0131 etkinle\u015ftirmek son derece kolayd\u0131r.<\/li><li><strong>Uyar\u0131 ve Bildirimler:<\/strong> Hesaba yabanc\u0131 bir cihazdan giri\u015f yap\u0131lmaya \u00e7al\u0131\u015f\u0131ld\u0131\u011f\u0131nda kullan\u0131c\u0131 an\u0131nda bilgilendirilir.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama (2FA), siber sald\u0131r\u0131lara kar\u015f\u0131 en etkili korunma y\u00f6ntemlerinden biridir. \u015eifrelerin ele ge\u00e7irilmesi durumunda bile ikinci do\u011frulama a\u015famas\u0131 hesaba eri\u015fim \u00e7abalar\u0131n\u0131 bo\u015fa \u00e7\u0131kar\u0131r. Bu nedenle, dijital platformlarda hesaplar\u0131n g\u00fcvenli\u011fi i\u00e7in 2FA\u2019n\u0131n etkinle\u015ftirilmesi tavsiye edilir. Google, Facebook, Instagram gibi platformlarda bu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcvenli\u011fin \u00f6neminin her ge\u00e7en g\u00fcn artt\u0131\u011f\u0131 dijital d\u00fcnyada, iki fakt\u00f6rl\u00fc<a href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/\">&#8230;<\/a><\/p>\n","protected":false},"author":4,"featured_media":22496,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[578],"class_list":["post-22494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-terimler-sozlugu","tag-nedir-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cenuta.com\/blog\/iki-faktorlu-kimlik-dogrulama-2fa-nedir-nasil-calisir-ve-neden-kullanilmalidir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (2FA) Nedir? 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