Hacker’lar\u0131n g\u00fcvenlik sistemlerini a\u015fmak ad\u0131na geli\u015ftirdikleri dahiyane hilelerden s\u0131k s\u0131k bahsediyoruz ama i\u015flerini nas\u0131l y\u00fcr\u00fctt\u00fckleri konusuna pek girmiyoruz. Ama \u015fifrenizi k\u0131rmak i\u00e7in kulland\u0131klar\u0131 bu garip cihaz, bahsedilmeye de\u011fer… <\/p>\n
Yak\u0131n zamanda ger\u00e7ekle\u015ftirilen g\u00fcvenlik konferans\u0131 Passwords^12’ye kat\u0131lan ara\u015ft\u0131rmac\u0131 Jeremi Gosney, hacker’lar\u0131n \u015fifre k\u0131rmak i\u00e7in kulland\u0131\u011f\u0131 donan\u0131m\u0131 (yukar\u0131daki foto\u011fraf) sergiledi. Foto\u011frafta g\u00f6r\u00fclen, 25 adet AMD Radeon grafik kart\u0131yla donat\u0131lm\u0131\u015f, 10Gbps h\u0131z\u0131nda ileti\u015fim kurabilen be\u015f 4U rack sunucu. \u00c7al\u0131\u015ft\u0131r\u0131lansa, saniyede 348 milyar NTLM hash i\u015fleyebilen bir \u015fifre k\u0131rma program\u0131.<\/p>\n
Bu donan\u0131m\u0131 kullanarak \u00e7ok k\u0131sa s\u00fcrede bir y\u0131\u011f\u0131n \u015fifreye kaba kuvvet sald\u0131r\u0131s\u0131 d\u00fczenlemek m\u00fcmk\u00fcn. Daha a\u00e7\u0131k ifade edersek bu, \u00f6rne\u011fin 14 karakterli bir Windows XP \u015fifresinin alt\u0131 dakika i\u00e7inde k\u0131r\u0131labilece\u011fi anlam\u0131na geliyor.<\/p>\n
Bundan \u00e7\u0131kart\u0131lacak sonu\u00e7, kulland\u0131\u011f\u0131n\u0131z \u015fifreleri g\u00f6zden ge\u00e7irmeniz gerekti\u011fi. E\u011fer uzun, rastgele s\u0131ralanm\u0131\u015f \u015fifreler kullanmazsan\u0131z, hacker’lar\u0131n hedefindesiniz demektir. Bu y\u00fczden \u015fifreleri uzun ve g\u00fc\u00e7l\u00fc tutmakta fayda var.<\/p>\n
G\u00f6r\u00fcn\u00fcyor ki gelecekte hackerlar \u015fifrelerimizi kolayca k\u0131rabilecekler.<\/p>\n","protected":false},"excerpt":{"rendered":"
Hacker’lar\u0131n g\u00fcvenlik sistemlerini a\u015fmak ad\u0131na geli\u015ftirdikleri dahiyane hilelerden s\u0131k s\u0131k bahsediyoruz ama i\u015flerini nas\u0131l y\u00fcr\u00fctt\u00fckleri konusuna pek girmiyoruz. Ama \u015fifrenizi k\u0131rmak i\u00e7in kulland\u0131klar\u0131 bu garip cihaz, bahsedilmeye de\u011fer… Yak\u0131n zamanda ger\u00e7ekle\u015ftirilen g\u00fcvenlik konferans\u0131 Passwords^12’ye kat\u0131lan ara\u015ft\u0131rmac\u0131 Jeremi Gosney, hacker’lar\u0131n \u015fifre k\u0131rmak i\u00e7in kulland\u0131\u011f\u0131 donan\u0131m\u0131 (yukar\u0131daki foto\u011fraf) sergiledi. Foto\u011frafta g\u00f6r\u00fclen, 25 adet AMD Radeon grafik kart\u0131yla […]<\/p>\n","protected":false},"author":1,"featured_media":636,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,15,21],"tags":[],"class_list":["post-635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","category-guvenlik","category-network"],"_links":{"self":[{"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/wp\/v2\/posts\/635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=635"}],"version-history":[{"count":0,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/wp\/v2\/posts\/635\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=635"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kodcafe.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}