{"id":20512,"date":"2026-03-06T22:07:06","date_gmt":"2026-03-06T19:07:06","guid":{"rendered":"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/"},"modified":"2026-03-06T22:07:13","modified_gmt":"2026-03-06T19:07:13","slug":"e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir","status":"publish","type":"post","link":"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/","title":{"rendered":"E-Ticaret Sitelerinde G\u00fcvenli \u00d6deme (3D Secure) Nedir?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/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:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#3D_Secure_Nasil_Calisir_Adim_Adim_Islem_Akisi\" >3D Secure Nas\u0131l \u00c7al\u0131\u015f\u0131r? Ad\u0131m Ad\u0131m \u0130\u015flem Ak\u0131\u015f\u0131<\/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:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Adim_1_Musteri_Odeme_Bilgilerini_Girer\" >Ad\u0131m 1: M\u00fc\u015fteri \u00d6deme Bilgilerini Girer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Adim_2_Kart_Bilgileri_Bankaya_Iletilir\" >Ad\u0131m 2: Kart Bilgileri Bankaya \u0130letilir<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Adim_3_Kimlik_Dogrulama_Ekrani\" >Ad\u0131m 3: Kimlik Do\u011frulama Ekran\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Adim_4_Musteri_Sifreyi_Girer_ve_Onaylar\" >Ad\u0131m 4: M\u00fc\u015fteri \u015eifreyi Girer ve Onaylar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Adim_5_Dogrulama_Sonucu_ve_Islemin_Tamamlanmasi\" >Ad\u0131m 5: Do\u011frulama Sonucu ve \u0130\u015flemin Tamamlanmas\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#3D_Secure_Protokolunun_Gelisimi_10_ve_20_Karsilastirmasi\" >3D Secure Protokol\u00fcn\u00fcn Geli\u015fimi: 1.0 ve 2.0 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Isletmeler_Icin_3D_Secure_Kullaniminin_Onemi\" >\u0130\u015fletmeler \u0130\u00e7in 3D Secure Kullan\u0131m\u0131n\u0131n \u00d6nemi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucun.com.tr\/blog\/e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir\/#Tuketiciler_Icin_Guvenli_Alisverisin_Anahtari\" >T\u00fcketiciler \u0130\u00e7in G\u00fcvenli Al\u0131\u015fveri\u015fin Anahtar\u0131<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>E-Ticaret Sitelerinde G\u00fcvenli \u00d6deme (3D Secure) Nedir? \u0130nternetin yayg\u0131nla\u015fmas\u0131yla birlikte e-ticaret, al\u0131\u015fveri\u015f al\u0131\u015fkanl\u0131klar\u0131m\u0131z\u0131n merkezine yerle\u015fti. Art\u0131k tek bir t\u0131kla d\u00fcnyan\u0131n d\u00f6rt bir yan\u0131ndan \u00fcr\u00fcn ve hizmet sat\u0131n alabiliyoruz. Ancak bu kolayl\u0131k, beraberinde baz\u0131 g\u00fcvenlik endi\u015felerini de getirmektedir. Kredi kart\u0131 bilgilerinin \u00e7al\u0131nmas\u0131, sahte i\u015flemler ve doland\u0131r\u0131c\u0131l\u0131k gibi riskler, hem t\u00fcketicileri hem de sat\u0131c\u0131lar\u0131 tedirgin etmektedir. \u0130\u015fte bu noktada, \u00e7evrimi\u00e7i \u00f6demelerin g\u00fcvenli\u011fini en \u00fcst d\u00fczeye \u00e7\u0131karmak i\u00e7in geli\u015ftirilmi\u015f bir teknoloji olan 3D Secure devreye giriyor. En temel tan\u0131m\u0131yla 3D Secure, online al\u0131\u015fveri\u015flerde kart sahibi ile banka aras\u0131nda ek bir kimlik do\u011frulama katman\u0131 olu\u015fturan k\u00fcresel bir g\u00fcvenlik protokol\u00fcd\u00fcr. Bu sistem, kart sahibinin ger\u00e7ekten o ki\u015fi oldu\u011funu teyit ederek yetkisiz kart kullan\u0131m\u0131n\u0131n \u00f6n\u00fcne ge\u00e7meyi hedefler.<\/p>\n<p>Bu protokol\u00fcn ad\u0131ndaki &#8220;3D&#8221;, \u00fc\u00e7 farkl\u0131 alan\u0131n (domain) bu g\u00fcvenlik s\u00fcrecine dahil olmas\u0131n\u0131 ifade eder. Bu \u00fc\u00e7 alan \u015funlard\u0131r:<\/p>\n<ol>\n<li><strong>Kart\u0131 Veren Banka (Issuer Domain):<\/strong> M\u00fc\u015fterinin kredi kart\u0131n\u0131 veya banka kart\u0131n\u0131 ald\u0131\u011f\u0131 bankad\u0131r. Kimlik do\u011frulama s\u00fcrecini y\u00f6netir ve onay verir.<\/li>\n<li><strong>\u0130\u015f Yeri Bankas\u0131 (Acquirer Domain):<\/strong> E-ticaret sitesinin \u00f6demeleri kabul etmek i\u00e7in anla\u015ft\u0131\u011f\u0131 banka veya \u00f6deme kurulu\u015fudur.<\/li>\n<li><strong>Birlikte \u00c7al\u0131\u015fabilirlik Alan\u0131 (Interoperability Domain):<\/strong> Visa veya Mastercard gibi kart \u015femalar\u0131n\u0131n (schemes) sa\u011flad\u0131\u011f\u0131 ve bu iki banka aras\u0131ndaki veri ak\u0131\u015f\u0131n\u0131 g\u00fcvenli bir \u015fekilde y\u00f6neten altyap\u0131d\u0131r.<\/li>\n<\/ol>\n<p>Bir m\u00fc\u015fteri, 3D Secure destekli bir e-ticaret sitesinden al\u0131\u015fveri\u015f yapt\u0131\u011f\u0131nda, kart bilgilerini girdikten sonra do\u011frudan bankas\u0131n\u0131n g\u00fcvenli bir sayfas\u0131na y\u00f6nlendirilir. Bu sayfada, bankan\u0131n belirledi\u011fi bir y\u00f6ntemle kimli\u011fini do\u011frulamas\u0131 istenir. Genellikle bu do\u011frulama, cep telefonuna g\u00f6nderilen tek kullan\u0131ml\u0131k bir \u015fifre (SMS OTP) ile yap\u0131l\u0131r. M\u00fc\u015fteri bu \u015fifreyi do\u011fru bir \u015fekilde girdi\u011finde, banka i\u015flemi onaylar ve al\u0131\u015fveri\u015f tamamlan\u0131r. Bu ek ad\u0131m sayesinde, kart\u0131n\u0131z \u00e7al\u0131nsa veya bilgileriniz ele ge\u00e7irilse bile, telefonunuza eri\u015fimi olmayan bir ki\u015fi taraf\u0131ndan kart\u0131n\u0131z\u0131n kullan\u0131lmas\u0131 neredeyse imk\u00e2ns\u0131z hale gelir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3D_Secure_Nasil_Calisir_Adim_Adim_Islem_Akisi\"><\/span>3D Secure Nas\u0131l \u00c7al\u0131\u015f\u0131r? Ad\u0131m Ad\u0131m \u0130\u015flem Ak\u0131\u015f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>3D Secure protokol\u00fcn\u00fcn i\u015fleyi\u015fi, arka planda karma\u015f\u0131k bir teknolojiye dayansa da kullan\u0131c\u0131 i\u00e7in olduk\u00e7a basit ve anla\u015f\u0131l\u0131r ad\u0131mlardan olu\u015fur. Bu s\u00fcre\u00e7, al\u0131\u015fveri\u015f sepetinin onaylanmas\u0131ndan \u00f6demenin tamamlanmas\u0131na kadar saniyeler i\u00e7inde ger\u00e7ekle\u015fir. Hem m\u00fc\u015fteri hem de sat\u0131c\u0131 i\u00e7in g\u00fcvenli bir ortam yaratan bu i\u015flem ak\u0131\u015f\u0131n\u0131 ad\u0131m ad\u0131m inceleyelim.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim_1_Musteri_Odeme_Bilgilerini_Girer\"><\/span>Ad\u0131m 1: M\u00fc\u015fteri \u00d6deme Bilgilerini Girer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Her \u015fey, m\u00fc\u015fterinin e-ticaret sitesinde al\u0131\u015fveri\u015f sepetini olu\u015fturup &#8220;\u00d6deme Yap&#8221; butonuna t\u0131klamas\u0131yla ba\u015flar. M\u00fc\u015fteri, \u00f6deme sayfas\u0131na y\u00f6nlendirilir ve burada kredi kart\u0131 veya banka kart\u0131n\u0131n \u00fczerinde yazan Ad Soyad, Kart Numaras\u0131, Son Kullanma Tarihi ve CVV (G\u00fcvenlik Kodu) bilgilerini ilgili alanlara girer.<\/p>\n<p><\/p>\n<figure class=\"wp-block-image aligncenter size-medium is-resized\">\n  <img src=\"https:\/\/sunucun.com.tr\/blog\/wp-content\/uploads\/2026\/03\/text-e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir.png\" class=\"size-medium aligncenter\" style=\"width:100%;\" alt=\"3D Secure, online al\u0131\u015fveri\u015flerde cep telefonuna gelen \u015fifre ile ek bir g\u00fcvenlik katman\u0131 sunar.\" title=\"Cep Telefonu ile 3D Secure \u0130\u015flemi Onaylama\" loading=\"lazy\" decoding=\"async\"><figcaption>\n    3D Secure, online al\u0131\u015fveri\u015flerde cep telefonuna gelen \u015fifre ile ek bir g\u00fcvenlik katman\u0131 sunar.<br \/>\n  <\/figcaption><\/figure>\n<p><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim_2_Kart_Bilgileri_Bankaya_Iletilir\"><\/span>Ad\u0131m 2: Kart Bilgileri Bankaya \u0130letilir<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00fc\u015fteri bilgileri girdikten sonra, e-ticaret sitesi bu bilgileri g\u00fcvenli bir ba\u011flant\u0131 \u00fczerinden kendi bankas\u0131na (i\u015f yeri bankas\u0131) iletir. \u0130\u015f yeri bankas\u0131, kart\u0131n ait oldu\u011fu markay\u0131 (Visa, Mastercard vb.) tespit eder ve kart\u0131n 3D Secure program\u0131na dahil olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer kart bu programa kay\u0131tl\u0131ysa, do\u011frulama s\u00fcreci ba\u015flat\u0131l\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim_3_Kimlik_Dogrulama_Ekrani\"><\/span>Ad\u0131m 3: Kimlik Do\u011frulama Ekran\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu a\u015famada, m\u00fc\u015fteri otomatik olarak kart\u0131n\u0131 ald\u0131\u011f\u0131 bankan\u0131n (kart\u0131 veren banka) sunucusuna y\u00f6nlendirilir. Genellikle bu, web sitesi i\u00e7inde a\u00e7\u0131lan bir pencere (pop-up) veya do\u011frudan bankan\u0131n sayfas\u0131na y\u00f6nlendirme \u015feklinde olur. Ekranda, bankan\u0131n logosu ve i\u015fleme ait temel bilgiler (i\u015f yeri ad\u0131, i\u015flem tutar\u0131 vb.) yer al\u0131r. M\u00fc\u015fteriden, bankada kay\u0131tl\u0131 olan cep telefonu numaras\u0131na g\u00f6nderilen tek kullan\u0131ml\u0131k \u015fifreyi girmesi istenir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim_4_Musteri_Sifreyi_Girer_ve_Onaylar\"><\/span>Ad\u0131m 4: M\u00fc\u015fteri \u015eifreyi Girer ve Onaylar<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00fc\u015fteri, cep telefonuna gelen SMS \u015fifresini ekrandaki kutucu\u011fa yazar ve &#8220;Onayla&#8221; veya &#8220;G\u00f6nder&#8221; butonuna t\u0131klar. Bu \u015fifre, sadece o i\u015flem i\u00e7in ge\u00e7erlidir ve k\u0131sa bir s\u00fcre i\u00e7inde kullan\u0131lmal\u0131d\u0131r. Bu ad\u0131m, i\u015flemi yapan ki\u015finin ger\u00e7ekten kart sahibi oldu\u011funu kan\u0131tlar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim_5_Dogrulama_Sonucu_ve_Islemin_Tamamlanmasi\"><\/span>Ad\u0131m 5: Do\u011frulama Sonucu ve \u0130\u015flemin Tamamlanmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Girilen \u015fifre, kart\u0131 veren banka taraf\u0131ndan kontrol edilir. \u015eifre do\u011fruysa, banka kimli\u011fin do\u011fruland\u0131\u011f\u0131na dair bir onay\u0131 i\u015f yeri bankas\u0131na g\u00f6nderir. \u0130\u015f yeri bankas\u0131 da bu onay\u0131 alarak \u00f6demeyi ger\u00e7ekle\u015ftirir ve e-ticaret sitesine i\u015flemin ba\u015far\u0131l\u0131 oldu\u011funa dair bilgi verir. M\u00fc\u015fteri, &#8220;\u00d6demeniz Ba\u015far\u0131yla Al\u0131nm\u0131\u015ft\u0131r&#8221; gibi bir mesaj\u0131n yer ald\u0131\u011f\u0131 onay sayfas\u0131na geri y\u00f6nlendirilir ve al\u0131\u015fveri\u015f s\u00fcreci tamamlan\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3D_Secure_Protokolunun_Gelisimi_10_ve_20_Karsilastirmasi\"><\/span>3D Secure Protokol\u00fcn\u00fcn Geli\u015fimi: 1.0 ve 2.0 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Teknoloji geli\u015ftik\u00e7e, \u00f6deme g\u00fcvenlik sistemleri de bu de\u011fi\u015fime ayak uydurmak zorundad\u0131r. \u0130lk olarak 2000&#8217;lerin ba\u015f\u0131nda Visa taraf\u0131ndan (&#8220;Verified by Visa&#8221; ad\u0131yla) geli\u015ftirilen 3D Secure 1.0, online \u00f6demelerde devrim yaratsa da zamanla baz\u0131 kullan\u0131c\u0131 deneyimi sorunlar\u0131n\u0131 beraberinde getirdi. Mobil cihazlar\u0131n yayg\u0131nla\u015fmas\u0131 ve m\u00fc\u015fteri beklentilerinin de\u011fi\u015fmesiyle birlikte, EMVCo taraf\u0131ndan daha modern ve esnek bir versiyon olan 3D Secure 2.0 (EMV 3-D Secure) geli\u015ftirildi. Bu iki versiyon aras\u0131ndaki temel farklar, hem i\u015fletmeler hem de t\u00fcketiciler i\u00e7in \u00f6nemli iyile\u015ftirmeler sunmaktad\u0131r.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>3D Secure 1.0<\/th>\n<th>3D Secure 2.0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Kullan\u0131c\u0131 Deneyimi<\/strong><\/td>\n<td>Genellikle tam sayfa y\u00f6nlendirmesi veya pop-up penceresi gerektirir. Bu durum, kullan\u0131c\u0131y\u0131 rahats\u0131z edebilir ve al\u0131\u015fveri\u015f sepeti terk oranlar\u0131n\u0131 art\u0131rabilir.<\/td>\n<td>&#8220;Frictionless&#8221; (S\u00fcrt\u00fcnmesiz) ak\u0131\u015f \u00f6n plandad\u0131r. Risk seviyesi d\u00fc\u015f\u00fck i\u015flemlerde ek do\u011frulama ad\u0131m\u0131 gerektirmez. Do\u011frulama gerekti\u011finde, uygulama i\u00e7i (in-app) veya daha entegre bir deneyim sunar.<\/td>\n<\/tr>\n<tr>\n<td><strong>Kimlik Do\u011frulama Y\u00f6ntemi<\/strong><\/td>\n<td>\u00c7o\u011funlukla statik \u015fifreler veya SMS ile g\u00f6nderilen tek kullan\u0131ml\u0131k \u015fifrelere (OTP) dayan\u0131r.<\/td>\n<td>Biyometrik veriler (parmak izi, y\u00fcz tan\u0131ma), mobil bankac\u0131l\u0131k uygulamas\u0131 onay\u0131 ve risk tabanl\u0131 analiz (RBA) gibi \u00e7ok daha modern ve \u00e7e\u015fitli y\u00f6ntemleri destekler.<\/td>\n<\/tr>\n<tr>\n<td><strong>Veri Payla\u015f\u0131m\u0131<\/strong><\/td>\n<td>Banka ile i\u015f yeri aras\u0131nda s\u0131n\u0131rl\u0131 say\u0131da veri (tutar, kart bilgisi vb.) payla\u015f\u0131l\u0131r. Risk analizi kapasitesi d\u00fc\u015f\u00fckt\u00fcr.<\/td>\n<td>\u0130\u015flemle ilgili 100&#8217;den fazla veri noktas\u0131 (cihaz bilgisi, IP adresi, i\u015flem ge\u00e7mi\u015fi vb.) banka ile payla\u015f\u0131l\u0131r. Bu zengin veri, bankan\u0131n daha isabetli risk analizi yapmas\u0131n\u0131 sa\u011flar.<\/td>\n<\/tr>\n<tr>\n<td><strong>Mobil Uyumluluk<\/strong><\/td>\n<td>Mobil taray\u0131c\u0131lar i\u00e7in optimize edilmemi\u015ftir. Y\u00f6nlendirme ve pop-up&#8217;lar mobil cihazlarda k\u00f6t\u00fc bir deneyime neden olur.<\/td>\n<td>Mobil \u00f6ncelikli olarak tasarlanm\u0131\u015ft\u0131r. Mobil uygulamalar ve mobil taray\u0131c\u0131larla tam entegre \u00e7al\u0131\u015f\u0131r. SDK (Yaz\u0131l\u0131m Geli\u015ftirme Kiti) deste\u011fi sunar.<\/td>\n<\/tr>\n<tr>\n<td><strong>Sorumluluk Devri (Liability Shift)<\/strong><\/td>\n<td>Sahtekarl\u0131k durumunda sorumlulu\u011fun i\u015f yerinden bankaya ge\u00e7mesini sa\u011flar.<\/td>\n<td>Sorumluluk devri kural\u0131 devam eder ve &#8220;frictionless&#8221; ak\u0131\u015flarda bile ge\u00e7erlidir, bu da i\u015fletmeler i\u00e7in b\u00fcy\u00fck bir avantajd\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Isletmeler_Icin_3D_Secure_Kullaniminin_Onemi\"><\/span>\u0130\u015fletmeler \u0130\u00e7in 3D Secure Kullan\u0131m\u0131n\u0131n \u00d6nemi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>E-ticaret i\u015fletmeleri i\u00e7in 3D Secure kullanmak, sadece bir g\u00fcvenlik \u00f6nlemi olman\u0131n \u00f6tesinde, ticari s\u00fcrd\u00fcr\u00fclebilirlik a\u00e7\u0131s\u0131ndan da kritik bir rol oynar. En b\u00fcy\u00fck avantajlar\u0131ndan biri, &#8220;sorumluluk devri&#8221; (liability shift) ilkesidir. Normal \u015fartlarda, bir kartla sahte bir i\u015flem yap\u0131ld\u0131\u011f\u0131nda ve m\u00fc\u015fteri harcama itiraz\u0131nda (chargeback) bulundu\u011funda, finansal kay\u0131p genellikle sat\u0131c\u0131ya ait olur. Ancak 3D Secure ile do\u011frulanm\u0131\u015f bir i\u015flemde sahtekarl\u0131k ya\u015fan\u0131rsa, bu sorumluluk b\u00fcy\u00fck \u00f6l\u00e7\u00fcde kart\u0131 veren bankaya ge\u00e7er. Bu durum, i\u015fletmeleri sahtekarl\u0131\u011fa ba\u011fl\u0131 finansal kay\u0131plardan \u00f6nemli \u00f6l\u00e7\u00fcde korur.<\/p>\n<p>Bunun yan\u0131 s\u0131ra, m\u00fc\u015fterilere g\u00fcvenli bir \u00f6deme altyap\u0131s\u0131 sunmak, marka imaj\u0131n\u0131 g\u00fc\u00e7lendirir ve m\u00fc\u015fteri sadakatini art\u0131r\u0131r. T\u00fcketiciler, ki\u015fisel ve finansal bilgilerinin g\u00fcvende oldu\u011funu bildikleri sitelerden al\u0131\u015fveri\u015f yapmay\u0131 tercih ederler. \u00d6zellikle 3D Secure 2.0&#8217;\u0131n getirdi\u011fi s\u00fcrt\u00fcnmesiz ak\u0131\u015flar sayesinde, g\u00fcvenlikten \u00f6d\u00fcn vermeden m\u00fc\u015fteri deneyimini de iyile\u015ftirmek m\u00fcmk\u00fcnd\u00fcr. Geli\u015fmi\u015f <a href=\"https:\/\/sunucun.com.tr\/blog\/siber-guvenlik\/\">siber g\u00fcvenlik<\/a> protokolleri, riskli i\u015flemleri ak\u0131ll\u0131ca tespit ederek sadece \u015f\u00fcpheli durumlarda ek do\u011frulama talep eder, b\u00f6ylece g\u00fcvenilir m\u00fc\u015fterilerin \u00f6deme s\u00fcrecini h\u0131zland\u0131r\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tuketiciler_Icin_Guvenli_Alisverisin_Anahtari\"><\/span>T\u00fcketiciler \u0130\u00e7in G\u00fcvenli Al\u0131\u015fveri\u015fin Anahtar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00fcketici a\u00e7\u0131s\u0131ndan bak\u0131ld\u0131\u011f\u0131nda, 3D Secure bir g\u00fcvence mekanizmas\u0131d\u0131r. Kart bilgileriniz bir veri s\u0131z\u0131nt\u0131s\u0131 sonucu k\u00f6t\u00fc niyetli ki\u015filerin eline ge\u00e7se bile, bu protokol sayesinde kart\u0131n\u0131zla online al\u0131\u015fveri\u015f yapmalar\u0131 engellenir. \u00c7\u00fcnk\u00fc her i\u015flemde, sadece sizin eri\u015fiminizde olan cep telefonunuza bir do\u011frulama kodu g\u00f6nderilir. Bu ek g\u00fcvenlik katman\u0131, sizi potansiyel doland\u0131r\u0131c\u0131l\u0131k giri\u015fimlerine kar\u015f\u0131 korur ve i\u00e7iniz rahat bir \u015fekilde al\u0131\u015fveri\u015f yapman\u0131z\u0131 sa\u011flar.<\/p>\n<p><\/p>\n<figure class=\"wp-block-image aligncenter size-medium is-resized\">\n  <img src=\"https:\/\/sunucun.com.tr\/blog\/wp-content\/uploads\/2026\/03\/text2-e-ticaret-sitelerinde-guvenli-odeme-3d-secure-nedir.png\" class=\"size-medium aligncenter\" style=\"width:100%;\" alt=\"3D Secure sistemi, kart\u0131 veren banka, i\u015f yeri bankas\u0131 ve kart \u015femalar\u0131 aras\u0131ndaki g\u00fcvenli ileti\u015fime dayan\u0131r\" title=\"3D Secure G\u00fcvenlik Protokol\u00fcn\u00fcn \u00dc\u00e7 Alan\u0131\" loading=\"lazy\" decoding=\"async\"><figcaption>\n    3D Secure sistemi, kart\u0131 veren banka, i\u015f yeri bankas\u0131 ve kart \u015femalar\u0131 aras\u0131ndaki g\u00fcvenli ileti\u015fime dayan\u0131r<br \/>\n  <\/figcaption><\/figure>\n<p><\/p>\n<p>Bu sistem, d\u00fcnya genelinde \u00f6nde gelen t\u00fcm kart kurulu\u015flar\u0131 taraf\u0131ndan desteklenmektedir. Visa i\u00e7in &#8220;Verified by Visa&#8221;, Mastercard i\u00e7in &#8220;Mastercard Identity Check&#8221; (\u00f6nceki ad\u0131yla SecureCode) ve American Express i\u00e7in &#8220;SafeKey&#8221; gibi markalar alt\u0131nda uygulanmaktad\u0131r. Bu standartla\u015fma, protokol\u00fcn ne kadar yayg\u0131n ve g\u00fcvenilir oldu\u011funun bir kan\u0131t\u0131d\u0131r. <a href=\"https:\/\/tr.wikipedia.org\/wiki\/3D_Secure\" target=\"_blank\" rel=\"noopener\">3D Secure<\/a>, g\u00fcn\u00fcm\u00fcz dijital ekonomisinde g\u00fcvenli ticaretin temel ta\u015flar\u0131ndan biri olarak kabul edilmektedir. E-ticaret ekosisteminin sa\u011fl\u0131kl\u0131 bir \u015fekilde b\u00fcy\u00fcmesi, hem i\u015fletmelerin bu t\u00fcr g\u00fcvenlik standartlar\u0131n\u0131 benimsemesine hem de t\u00fcketicilerin bu konuda bilin\u00e7li olmas\u0131na ba\u011fl\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>E-Ticaret Sitelerinde G\u00fcvenli \u00d6deme (3D Secure) Nedir? \u0130nternetin yayg\u0131nla\u015fmas\u0131yla birlikte e-ticaret, al\u0131\u015fveri\u015f al\u0131\u015fkanl\u0131klar\u0131m\u0131z\u0131n merkezine yerle\u015fti. Art\u0131k tek bir t\u0131kla d\u00fcnyan\u0131n d\u00f6rt bir yan\u0131ndan \u00fcr\u00fcn ve hizmet sat\u0131n alabiliyoruz. Ancak bu kolayl\u0131k, beraberinde baz\u0131 g\u00fcvenlik endi\u015felerini de getirmektedir. Kredi kart\u0131 bilgilerinin \u00e7al\u0131nmas\u0131, sahte i\u015flemler ve doland\u0131r\u0131c\u0131l\u0131k gibi riskler, hem t\u00fcketicileri hem de sat\u0131c\u0131lar\u0131 tedirgin etmektedir. \u0130\u015fte&hellip;<\/p>\n","protected":false},"author":1,"featured_media":20509,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1525],"tags":[],"class_list":["post-20512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-siber-guvenlik"],"_links":{"self":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/20512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=20512"}],"version-history":[{"count":1,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/20512\/revisions"}],"predecessor-version":[{"id":20513,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/20512\/revisions\/20513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media\/20509"}],"wp:attachment":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=20512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=20512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=20512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}