{"id":117,"date":"2026-09-13T07:00:00","date_gmt":"2026-09-13T04:00:00","guid":{"rendered":"https:\/\/onlinepcdoctor.com\/tr\/?p=117"},"modified":"2026-10-24T18:45:31","modified_gmt":"2026-10-24T15:45:31","slug":"ayni-sifreyi-tekrar-kullanmadan-guclu-sifre-nasil-olusturulur","status":"publish","type":"post","link":"https:\/\/onlinepcdoctor.com\/tr\/2026\/09\/13\/ayni-sifreyi-tekrar-kullanmadan-guclu-sifre-nasil-olusturulur\/","title":{"rendered":"Tekrar Kullanmadan G\u00fc\u00e7l\u00fc \u015eifre Nas\u0131l Olu\u015fturulur?"},"content":{"rendered":"<p>G\u00fc\u00e7l\u00fc \u015fifre denince akla gelen ilk \u015fey karma\u015f\u0131kl\u0131kt\u0131r: b\u00fcy\u00fck harf, rakam, i\u015faret. Oysa \u015fifre g\u00fcvenli\u011finin as\u0131l belirleyicisi karma\u015f\u0131kl\u0131k de\u011fil uzunluk ve tekrar etmemektir. On alt\u0131 karakterlik sade bir \u015fifre, sekiz karakterlik karma\u015f\u0131k bir \u015fifreden kat kat g\u00fc\u00e7l\u00fcd\u00fcr.<\/p>\n<h2>As\u0131l tehlike: ayn\u0131 \u015fifreyi tekrar kullanmak<\/h2>\n<p>Hesaplar\u0131n ele ge\u00e7irilmesinin en yayg\u0131n yolu, \u015fifrenizin tahmin edilmesi de\u011fildir. Kulland\u0131\u011f\u0131n\u0131z bir sitenin veri taban\u0131 s\u0131zar, sald\u0131rganlar o \u015fifreyi al\u0131r ve ayn\u0131s\u0131n\u0131 e-postan\u0131zda, bankan\u0131zda, sosyal medyan\u0131zda dener. \u015eifreniz ne kadar karma\u015f\u0131k olursa olsun, ba\u015fka bir yerde de kullan\u0131ld\u0131ysa koruma sa\u011flamaz.<\/p>\n<p>Bu y\u00fczden ilk kural \u015fudur: \u00f6nemli hesaplar\u0131n her birinde farkl\u0131 \u015fifre. \u00d6zellikle e-posta hesab\u0131n\u0131z \u2014 \u00e7\u00fcnk\u00fc di\u011fer t\u00fcm hesaplar\u0131n\u0131z\u0131n s\u0131f\u0131rlama ba\u011flant\u0131s\u0131 oraya gider. E-posta \u015fifreniz d\u00fc\u015ferse geri kalan her \u015fey d\u00fc\u015fer.<\/p>\n<h2>Uzunluk neden bu kadar \u00f6nemli?<\/h2>\n<p>Deneme yoluyla \u015fifre k\u0131rma i\u015flemi, her eklenen karakterle katlanarak zorla\u015f\u0131r. Sekiz karakterlik bir \u015fifre modern donan\u0131mla k\u0131sa s\u00fcrede denenebilir; on alt\u0131 karakterlik bir \u015fifre ayn\u0131 y\u00f6ntemle pratik olarak k\u0131r\u0131lamaz. Karma\u015f\u0131k i\u015faretler eklemek de yard\u0131mc\u0131 olur, ama uzunluk kadar de\u011fil.<\/p>\n<h2>Ak\u0131lda kalan ama tahmin edilemeyen \u015fifre<\/h2>\n<p>Rastgele d\u00f6rt kelimeyi yan yana getirmek, hat\u0131rlanabilir ve \u00e7ok uzun bir \u015fifre \u00fcretir. Kelimeler birbiriyle ilgisiz olmal\u0131 ve bir c\u00fcmle olu\u015fturmamal\u0131d\u0131r. Araya rakam veya i\u015faret serpi\u015ftirmek ek g\u00fc\u00e7 katar.<\/p>\n<ul>\n<li>Do\u011fum tarihi, \u00e7ocuk, e\u015f veya evcil hayvan ad\u0131 kullanmay\u0131n \u2014 bunlar sosyal medyan\u0131zda zaten yaz\u0131yor.<\/li>\n<li>Tak\u0131m ad\u0131, araba markas\u0131 ve \u015fehir isimlerinden ka\u00e7\u0131n\u0131n.<\/li>\n<li>Sonuna &#8220;123&#8221; veya &#8220;!&#8221; eklemek bir \u015fifreyi g\u00fc\u00e7lendirmez; sald\u0131rganlar bu kal\u0131b\u0131 ilk s\u0131rada dener.<\/li>\n<li>Harf yerine rakam koymak (a yerine 4 gibi) san\u0131ld\u0131\u011f\u0131 kadar i\u015fe yaramaz.<\/li>\n<\/ul>\n<h2>\u015eifre y\u00f6neticisi kullan\u0131n<\/h2>\n<p>Onlarca farkl\u0131 uzun \u015fifreyi ak\u0131lda tutmak m\u00fcmk\u00fcn de\u011fildir. \u015eifre y\u00f6neticisi bunlar\u0131 sizin i\u00e7in saklar; siz yaln\u0131zca tek bir ana \u015fifreyi hat\u0131rlars\u0131n\u0131z. O ana \u015fifre uzun olmal\u0131 ve ba\u015fka hi\u00e7bir yerde kullan\u0131lmamal\u0131d\u0131r.<\/p>\n<p>\u015eifre y\u00f6neticisinin ikinci bir faydas\u0131 daha vard\u0131r: kay\u0131tl\u0131 adresle a\u00e7t\u0131\u011f\u0131n\u0131z sayfan\u0131n adresi uyu\u015fmuyorsa \u015fifreyi otomatik doldurmaz. Bu sessiz davran\u0131\u015f, sahte bir giri\u015f sayfas\u0131na kar\u015f\u0131 uyar\u0131 g\u00f6revi g\u00f6r\u00fcr. Bir sayfan\u0131n ger\u00e7ekli\u011finden \u015f\u00fcpheleniyorsan\u0131z <a href=\"https:\/\/onlinepcdoctor.com\/tr\/tarayici-guvenlik-testi\/\">taray\u0131c\u0131 g\u00fcvenlik testi<\/a> ile taray\u0131c\u0131n\u0131z\u0131n koruma \u00f6zelliklerinin a\u00e7\u0131k oldu\u011funu da do\u011frulayabilirsiniz.<\/p>\n<h2>\u0130ki ad\u0131ml\u0131 do\u011frulamay\u0131 a\u00e7\u0131n<\/h2>\n<p>\u015eifreniz ele ge\u00e7se bile ikinci ad\u0131m devredeyse hesap korunur. M\u00fcmk\u00fcnse SMS yerine do\u011frulama uygulamas\u0131 kullan\u0131n; SMS, numara devralma sald\u0131r\u0131lar\u0131na a\u00e7\u0131kt\u0131r. Kurtarma kodlar\u0131n\u0131z\u0131 yazd\u0131r\u0131p g\u00fcvenli bir yerde saklay\u0131n.<\/p>\n<h2>S\u0131k sorulan sorular<\/h2>\n<p><strong>\u015eifremi ne s\u0131kl\u0131kla de\u011fi\u015ftirmeliyim?<\/strong><br \/>D\u00fczenli aral\u0131klarla zorunlu de\u011fi\u015fiklik art\u0131k \u00f6nerilmiyor; insanlar k\u00fc\u00e7\u00fck de\u011fi\u015fikliklerle zay\u0131f \u015fifrelere d\u00f6n\u00fcyor. Bir s\u0131z\u0131nt\u0131 duydu\u011funuzda veya \u015f\u00fcphelendi\u011finizde de\u011fi\u015ftirin.<\/p>\n<p><strong>Taray\u0131c\u0131n\u0131n kendi \u015fifre kaydetme \u00f6zelli\u011fi yeterli mi?<\/strong><br \/>Hi\u00e7 kullanmamaktan iyidir. Cihaz\u0131n\u0131z\u0131n kilidi g\u00fc\u00e7l\u00fcyse makul bir \u00e7\u00f6z\u00fcmd\u00fcr.<\/p>\n<p><strong>\u015eifremi bir yere yazmak yanl\u0131\u015f m\u0131?<\/strong><br \/>K\u00e2\u011f\u0131da yaz\u0131p evde saklamak, ayn\u0131 \u015fifreyi her yerde kullanmaktan daha g\u00fcvenlidir. Yanl\u0131\u015f olan, ekran kenar\u0131na yap\u0131\u015ft\u0131rmakt\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fc\u00e7l\u00fc \u015fifre denince akla gelen ilk \u015fey karma\u015f\u0131kl\u0131kt\u0131r: b\u00fcy\u00fck harf, rakam, i\u015faret. Oysa \u015fifre g\u00fcvenli\u011finin as\u0131l belirleyicisi karma\u015f\u0131kl\u0131k de\u011fil uzunluk ve tekrar etmemektir. On alt\u0131 karakterlik sade bir \u015fifre, sekiz karakterlik karma\u015f\u0131k bir \u015fifreden kat kat g\u00fc\u00e7l\u00fcd\u00fcr. As\u0131l tehlike: ayn\u0131 \u015fifreyi tekrar kullanmak Hesaplar\u0131n ele ge\u00e7irilmesinin en yayg\u0131n yolu, \u015fifrenizin tahmin edilmesi de\u011fildir. Kulland\u0131\u011f\u0131n\u0131z bir [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","hentry","category-guvenlik"],"_links":{"self":[{"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/comments?post=117"}],"version-history":[{"count":3,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":242,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/posts\/117\/revisions\/242"}],"wp:attachment":[{"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/media?parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/categories?post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onlinepcdoctor.com\/tr\/wp-json\/wp\/v2\/tags?post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}