{"id":6540,"date":"2022-12-11T21:57:33","date_gmt":"2022-12-11T18:57:33","guid":{"rendered":"https:\/\/www.hostixo.com\/blog\/?p=6540"},"modified":"2022-12-11T22:14:02","modified_gmt":"2022-12-11T19:14:02","slug":"iki-faktorlu-kimlik-dogrulama-nedir","status":"publish","type":"post","link":"https:\/\/www.hostixo.com\/blog\/iki-faktorlu-kimlik-dogrulama-nedir\/","title":{"rendered":"\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (2FA) Nedir? Neden Kullan\u0131lmal\u0131d\u0131r?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler \u2714<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><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><\/span><\/a><\/span><\/div>\n<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.hostixo.com\/blog\/iki-faktorlu-kimlik-dogrulama-nedir\/#Iki_Faktorlu_Kimlik_Dogrulama_Nedir_Ne_Ise_Yarar\" >\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nedir? Ne \u0130\u015fe Yarar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hostixo.com\/blog\/iki-faktorlu-kimlik-dogrulama-nedir\/#Iki_Faktorlu_Kimlik_Dogrulama_Nasil_Calisir\" >\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-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hostixo.com\/blog\/iki-faktorlu-kimlik-dogrulama-nedir\/#e-Devlet_Iki_Faktorlu_Kimlik_Dogrulama_Turleri_Neler\" >e-Devlet \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama T\u00fcrleri Neler?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hostixo.com\/blog\/iki-faktorlu-kimlik-dogrulama-nedir\/#Iki_Faktorlu_Kimlik_Dogrulama_Neden_Kullanilmalidir\" >\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Neden Kullan\u0131lmal\u0131d\u0131r?<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>\u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama<\/strong>, hesab\u0131n\u0131z\u0131n g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde artt\u0131r\u0131r. Bu sistem aktifle\u015fti\u011finde hesab\u0131n\u0131za eri\u015fmek i\u00e7in ekstra bir do\u011frulama gerekir.<\/p>\n<p>K\u00f6t\u00fc ama\u00e7l\u0131 ki\u015filer hesaplar\u0131 ele ge\u00e7irmek i\u00e7in birbirinden farkl\u0131 y\u00f6ntemler deniyor. Bu y\u00f6ntemlerin s\u00fcrekli olarak \u015fekil de\u011fi\u015ftirdi\u011fini s\u00f6yleyebiliriz. Bu sebeple kullan\u0131c\u0131lar ne kadar \u00e7ok \u00f6nlem alsalar da baz\u0131 hesaplar\u0131n\u0131 \u00e7ald\u0131rabiliyorlar. Hesaplar\u0131n g\u00fcvenli\u011fini artt\u0131rmak i\u00e7in bir\u00e7ok farkl\u0131 y\u00f6ntem mevcut.<\/p>\n<p>Ancak iki a\u015famal\u0131 kimlik do\u011frulaman\u0131n bunlar aras\u0131nda en yayg\u0131n olan\u0131 oldu\u011funu s\u00f6yleyebiliriz. G\u00fcn\u00fcm\u00fczde Instagram ve Twitter dahil say\u0131s\u0131zca platformda 2FA yani kimlik do\u011frulama sistemi mevcut. 2FA aktifle\u015ftirildi\u011finde bir hesaba giri\u015f yapmak i\u00e7in sadece \u015fifresini bilmek yetmiyor. Bu sistemi kullanman\u0131z fazlas\u0131yla \u00f6nemli.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Nedir_Ne_Ise_Yarar\"><\/span><strong>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nedir? Ne \u0130\u015fe Yarar?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-6545 lazyload\" data-src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-guvenli-mi-neden-onemlidir.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-guvenli-mi-neden-onemlidir\" width=\"640\" height=\"373\" title=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/373;\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-6545\" src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-guvenli-mi-neden-onemlidir.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-guvenli-mi-neden-onemlidir\" width=\"640\" height=\"373\" title=\"\"><\/noscript><\/p>\n<p>Baz\u0131 platformlarda hesab\u0131m\u0131za giri\u015f yaparken ekstra bir do\u011frulama sistemiyle kar\u015f\u0131la\u015fabiliriz. \u0130\u015fte bu do\u011frulama sistemine <strong>iki fakt\u00f6rl\u00fc kimlik do\u011frulama<\/strong> denir. Hesaplar\u0131n \u00e7al\u0131nmamas\u0131 i\u00e7in \u015fifreden ziyade ekstra \u00f6nlemler al\u0131nmak zorunda. Kimlik do\u011frulama sistemi de bu ekstra \u00f6nlemlerden biridir. Bu g\u00fcvenlik sisteminin asl\u0131nda 3D Secure ile benzer oldu\u011funu s\u00f6yleyebiliriz.<\/p>\n<p>3D Secure sisteminde internetten al\u0131\u015fveri\u015f yaparken \u00f6deme esnas\u0131nda cep telefonunuza bir \u015fifre yollan\u0131r. Bu \u015fifreyi girerek \u00f6demeyi tamamlayabilirsiniz. Kimlik do\u011frulama sisteminde de hesab\u0131n\u0131za giri\u015f yaparken sizden ekstra bir do\u011frulama istenir. Bu do\u011frulama cep telefonuna veya e-posta adresine yollanan bir <a href=\"https:\/\/www.hostixo.com\/blog\/hex-renk-kodlari-nedir-hex-rgb-kodlari\/\">kod<\/a> olabilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Nasil_Calisir\"><\/span><strong>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-6544 lazyload\" data-src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-nasil-calisir-neden-kullanilmalidir.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-nasil-calisir-neden-kullanilmalidir\" width=\"640\" height=\"541\" title=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/541;\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-6544\" src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-nasil-calisir-neden-kullanilmalidir.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-nasil-calisir-neden-kullanilmalidir\" width=\"640\" height=\"541\" title=\"\"><\/noscript><\/p>\n<p>Bu sistemin \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 asl\u0131nda olduk\u00e7a basit. \u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama, bir hesaba giri\u015f yaparken cep telefonuna veya e-posta adresine bir do\u011frulama kodu yollar. Tabii ki bu do\u011frulama kodu kullan\u0131c\u0131 ad\u0131 ve \u015fifre girildikten sonra yollan\u0131r. Hesab\u0131n\u0131za giri\u015f yapmak i\u00e7in do\u011frulama kodunu do\u011fru bir \u015fekilde girmeniz gerekir.<\/p>\n<p>Ancak, kodun nereye yollanaca\u011f\u0131 yap\u0131lan se\u00e7ime g\u00f6re de\u011fi\u015fiklik g\u00f6sterebilir. \u00d6rne\u011fin, <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.google.android.apps.authenticator2&amp;hl=tr&amp;gl=US\" target=\"_blank\" rel=\"noopener\"><strong>Google Authenticator<\/strong><\/a> gibi kimlik do\u011frulama kodu olu\u015fturan uygulamalar mevcuttur. E\u011fer bunlardan birini se\u00e7erseniz, uygulamadaki do\u011frulama kodunu girerek hesab\u0131n\u0131za giri\u015f yapabilirsiniz. \u00dcstelik bu kodlar s\u00fcrekli yenilenmektedir. B\u00f6ylece ba\u015fkalar\u0131n\u0131n hesaba giri\u015f yapmas\u0131 neredeyse imk\u00e2ns\u0131z hale gelir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"e-Devlet_Iki_Faktorlu_Kimlik_Dogrulama_Turleri_Neler\"><\/span><strong>e-Devlet \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama T\u00fcrleri Neler?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-6543 lazyload\" data-src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-nedir-nasil-calisir-2fa.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-nedir-nasil-calisir-2fa\" width=\"640\" height=\"360\" title=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/360;\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-6543\" src=\"https:\/\/www.hostixo.com\/blog\/wp-content\/uploads\/2022\/12\/hostixo-blog-iki-faktorlu-kimlik-dogrulama-nedir-nasil-calisir-2fa.jpg\" alt=\"hostixo-blog-iki-faktorlu-kimlik-dogrulama-nedir-nasil-calisir-2fa\" width=\"640\" height=\"360\" title=\"\"><\/noscript><\/p>\n<p>2FA sayesinde hesab\u0131n g\u00fcvenli\u011fi \u00f6nemli \u00f6l\u00e7\u00fcde artacakt\u0131r. Kimlik do\u011frulama kodu bir\u00e7ok farkl\u0131 y\u00f6ntemle al\u0131nabilir. Bir SMS arac\u0131l\u0131\u011f\u0131yla veya kimlik do\u011frulama uygulamas\u0131 arac\u0131l\u0131\u011f\u0131yla do\u011frulama kodunu alarak hesab\u0131n\u0131za giri\u015f yapabilirsiniz. Baz\u0131 2FA do\u011frulama \u00e7e\u015fitleri yani do\u011frulama kodu al\u0131nabilecek y\u00f6ntemler a\u015fa\u011f\u0131daki \u015fekilde olu\u015fuyor.<\/p>\n<h3><strong>Kimlik Do\u011frulama Kodu Uygulamalar\u0131<\/strong><\/h3>\n<p>2FA yani do\u011frulama kodu olu\u015fturan bir\u00e7ok uygulama mevcut. Bu uygulamalardaki do\u011frulama kodlar\u0131 neredeyse her dakikada bir yenileniyor. Google Authenticator uygulamas\u0131 bu uygulamalar\u0131n ba\u015flar\u0131nda geliyor. Bir kimlik do\u011frulama kodu olu\u015fturma uygulamas\u0131na hesab\u0131n\u0131z\u0131 ba\u011flad\u0131\u011f\u0131n\u0131z\u0131 varsayal\u0131m. 2FA aktif olan bir hesaba giri\u015f yaparken do\u011frulama kodu uygulamas\u0131ndaki kodu girmeniz gerekiyor. Uygulamadaki kodu girerek hesab\u0131n\u0131za giri\u015f yapabiliyorsunuz.<\/p>\n<h3><strong>Cep Telefonu Do\u011frulamas\u0131<\/strong><\/h3>\n<p>Bu y\u00f6ntem en yayg\u0131n ve en basit y\u00f6ntemlerden biridir. Hesaba giri\u015f yaparken cep telefonuna bir SMS yollan\u0131r. Mesajda yer alan do\u011frulama kodu girilerek hesaba giri\u015f yap\u0131labilir.<\/p>\n<h3><strong>E-posta Do\u011frulamas\u0131<\/strong><\/h3>\n<p>E-posta do\u011frulamas\u0131 da yine en \u00e7ok kullan\u0131lan y\u00f6ntemlerdendir. Hesaba giri\u015f yaparken e-postaya bir kod yollan\u0131r. Bu do\u011frulama kodu girilerek hesapta oturum a\u00e7\u0131labilir.<\/p>\n<h3><strong>Uygulama Bildirimi Do\u011frulamas\u0131<\/strong><\/h3>\n<p>Son zamanlarda kar\u015f\u0131m\u0131za \u00e7\u0131kan yeni bir do\u011frulama t\u00fcr\u00fcd\u00fcr. Bu y\u00f6ntem sayesinde \u015firketler do\u011frulamas\u0131n\u0131 kendi uygulama a\u011f\u0131 i\u00e7erisinde halleder. Bunu daha iyi anlaman\u0131z i\u00e7in basit bir \u00f6rnek vermek istiyoruz. Bilgisayardan Google hesab\u0131n\u0131za giri\u015f yapt\u0131\u011f\u0131n\u0131z\u0131 varsayal\u0131m. Hesab\u0131n\u0131za giri\u015f yaparken, Google hesab\u0131n\u0131n a\u00e7\u0131k oldu\u011fu bir telefonunuz varsa o telefona bir bildirim yollan\u0131r.<\/p>\n<p>Google bu bildirimde hesab\u0131n\u0131za giri\u015f yapan\u0131n sizin olup olmad\u0131\u011f\u0131n\u0131z\u0131 sorar. Bu bildirime onay vererek bilgisayarda Google hesab\u0131n\u0131za giri\u015f yapabilirsiniz. B\u00f6ylece, Google kendi uygulamas\u0131 d\u0131\u015f\u0131nda bir y\u00f6nteme ba\u015fvurmadan 2FA sistemini kullanm\u0131\u015f olur.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Iki_Faktorlu_Kimlik_Dogrulama_Neden_Kullanilmalidir\"><\/span><strong>\u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Neden Kullan\u0131lmal\u0131d\u0131r?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>2FA ne i\u015fe yarar sorusunun cevab\u0131 bile asl\u0131nda bize bunu a\u00e7\u0131kl\u0131yor. 2FA, hesab\u0131m\u0131z\u0131 korumak i\u00e7in alabilece\u011fimiz \u00f6nlemlerin ba\u015f\u0131nda geliyor. Bu g\u00fcvenlik sistemi sayesinde hesab\u0131m\u0131z\u0131n kullan\u0131c\u0131 ad\u0131 ve \u015fifresi \u00e7al\u0131nsa bile ba\u015fkalar\u0131 taraf\u0131ndan giri\u015f yap\u0131lam\u0131yor. \u00c7\u00fcnk\u00fc hesaba giri\u015f yaparken size bir do\u011frulama kodu yollan\u0131yor.<\/p>\n<p>B\u00f6ylece, hem hesaba ba\u015fkalar\u0131n\u0131n girmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan haberiniz oluyor hem de hesab\u0131n\u0131za hi\u00e7bir \u015fekilde giri\u015f yap\u0131lam\u0131yor. \u0130\u015fte bu t\u00fcr sebeplerden dolay\u0131 hesab\u0131n\u0131zda 2FA\u2019n\u0131n kesinlikle aktif olmas\u0131n\u0131 \u00f6neriyoruz.<\/p>\n<p>\u00d6rne\u011fin, <strong>Instagram iki fakt\u00f6rl\u00fc kimlik do\u011frulama<\/strong> y\u00f6ntemini aktifle\u015ftirerek hesab\u0131n\u0131z\u0131n g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde artt\u0131rabilirsiniz. 2FA, neredeyse \u00fcye oldu\u011fumuz her yerde mevcut. \u00dcstelik, bu kimlik do\u011frulama sistemi her ge\u00e7en g\u00fcn daha da fazla yay\u0131l\u0131yor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama, hesab\u0131n\u0131z\u0131n g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde artt\u0131r\u0131r. Bu sistem aktifle\u015fti\u011finde hesab\u0131n\u0131za eri\u015fmek i\u00e7in ekstra bir do\u011frulama gerekir. K\u00f6t\u00fc ama\u00e7l\u0131 ki\u015filer hesaplar\u0131 ele ge\u00e7irmek i\u00e7in birbirinden farkl\u0131 y\u00f6ntemler deniyor. Bu y\u00f6ntemlerin s\u00fcrekli olarak \u015fekil de\u011fi\u015ftirdi\u011fini s\u00f6yleyebiliriz. Bu sebeple kullan\u0131c\u0131lar ne kadar \u00e7ok \u00f6nlem alsalar da baz\u0131 hesaplar\u0131n\u0131 \u00e7ald\u0131rabiliyorlar. Hesaplar\u0131n g\u00fcvenli\u011fini artt\u0131rmak i\u00e7in bir\u00e7ok farkl\u0131 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":6543,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[28,296],"tags":[],"class_list":["post-6540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik","category-internet"],"_links":{"self":[{"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/posts\/6540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/comments?post=6540"}],"version-history":[{"count":0,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/posts\/6540\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/media\/6543"}],"wp:attachment":[{"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/media?parent=6540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/categories?post=6540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostixo.com\/blog\/wp-json\/wp\/v2\/tags?post=6540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}