{"id":10679,"date":"2022-05-17T14:41:11","date_gmt":"2022-05-17T11:41:11","guid":{"rendered":"https:\/\/www.kaspersky.com.tr\/blog\/?p=10679"},"modified":"2022-05-17T14:42:34","modified_gmt":"2022-05-17T11:42:34","slug":"ransomware-recurrence","status":"publish","type":"post","link":"https:\/\/www.kaspersky.com.tr\/blog\/ransomware-recurrence\/10679\/","title":{"rendered":"Fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131lar\u0131n\u0131n tekrarlamas\u0131n\u0131 nas\u0131l \u00f6nleyebilirsiniz?"},"content":{"rendered":"

Ge\u00e7ti\u011fimiz birka\u00e7 y\u0131l i\u00e7inde siber su\u00e7lular k\u00fc\u00e7\u00fck \u015firketlere, dev fabrikalara<\/a>, \u015fehirlere<\/a>, hatta koskoca \u00fclkelere<\/a> fidye yaz\u0131l\u0131mlar\u0131yla sald\u0131rd\u0131. Bu t\u00fcr sald\u0131r\u0131lar neredeyse her zaman ciddi finansal kay\u0131plara ve itibar kayb\u0131na yol a\u00e7t\u0131\u011f\u0131 i\u00e7in t\u00fcm efor sonu\u00e7lar\u0131 ortadan kald\u0131rmaya odaklan\u0131r. Ancak bu s\u0131rada g\u00f6zden ka\u00e7\u0131rmaman\u0131z gereken ba\u015fka bir mesele daha var: Olay\u0131n tekrarlamas\u0131n\u0131 nas\u0131l \u00f6nleyebilirsiniz?<\/p>\n

Neden fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131yla b\u00fcy\u00fck olas\u0131l\u0131kla ikinci bir kez daha kar\u015f\u0131la\u015facaks\u0131n\u0131z?<\/h2>\n

Eskiden fidye yaz\u0131l\u0131m\u0131 geli\u015ftiricileri, spam\u2019le Truva Atlar\u0131n\u0131 g\u00f6ndererek \u015firketlere sald\u0131rmay\u0131 kendileri denerdi. Modern gruplar ise uzun s\u00fcredir Hizmet Olarak Fidye Yaz\u0131l\u0131m\u0131 prensibiyle \u00e7al\u0131\u015f\u0131yor: Fidyeden pay kar\u015f\u0131l\u0131\u011f\u0131nda altyap\u0131ya ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m koduna eri\u015fim sunuyorlar. \u201c\u015eifreleme i\u015fi\u201d h\u0131zla her kat\u0131l\u0131mc\u0131n\u0131n kendi uzmanl\u0131k alan\u0131na sahip oldu\u011fu tam te\u015fekk\u00fcll\u00fc bir sekt\u00f6re<\/a> d\u00f6n\u00fc\u015f\u00fcyor. Bunlardan biri olan ilk eri\u015fim komisyoncular\u0131, \u015firket a\u011flar\u0131na ilk eri\u015fimi elde edip satmaya \u00e7al\u0131\u015fan kriminal bir grup.<\/p>\n

Haber kanallar\u0131nda ya da hacker forumlar\u0131nda i\u015fletmenizin bir fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131na maruz kald\u0131\u011f\u0131na y\u00f6nelik haberler \u00e7\u0131kmas\u0131, otomatik olarak ba\u015fka sald\u0131rganlar\u0131n da ilgisini \u00e7eker. \u00d6zellikle de fidye \u00f6demeyi kabul ettiyseniz. \u00c7\u00fcnk\u00fc bu, birincisi, altyap\u0131n\u0131z\u0131n sald\u0131r\u0131lar kar\u015f\u0131s\u0131nda hassas oldu\u011fu, ikincisi, sald\u0131rganlarla pazarl\u0131k yapt\u0131\u011f\u0131n\u0131z anlam\u0131na gelir. G\u00fcn\u00fcm\u00fczde su\u00e7lulular i\u00e7in bu, \u015firketinizin tekrar sald\u0131rmaya de\u011fer oldu\u011funa dair a\u00e7\u0131k bir i\u015farettir. \u00dcstelik, meslekta\u015flar\u0131m\u0131z\u0131n y\u00fcr\u00fctt\u00fc\u011f\u00fc \u201ci\u015fletme y\u00f6neticileri fidye yaz\u0131l\u0131m\u0131 tehditlerini nas\u0131l alg\u0131l\u0131yor\u201d<\/a> anketinin sonu\u00e7lar\u0131na bak\u0131l\u0131rsa \u00e7ok da haks\u0131z say\u0131lmazlar: Fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131na maruz kalan \u015firket y\u00f6neticilerinin %88\u2019i, sald\u0131r\u0131 tekrarlarsa fidye \u00f6demeye haz\u0131r oldu\u011funu s\u00f6yl\u00fcyor.<\/p>\n

Ba\u015fka bir fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131 olas\u0131l\u0131\u011f\u0131 nas\u0131l en aza indirilir?<\/h2>\n

Olay\u0131n tekrarlamas\u0131n\u0131n nas\u0131l \u00f6nlenece\u011fi sorusu, olay\u0131 inceleme ve sonu\u00e7lar\u0131 ortadan kald\u0131rma a\u015famas\u0131nda bile sorulmal\u0131d\u0131r. Bu a\u015famada fidyeyi \u00f6deyip \u00f6demeyece\u011finize de karar vermelisiniz. Fidyeyi \u00f6deme fikri k\u0131sa vadede sorunun elveri\u015fli bir \u00e7\u00f6z\u00fcm\u00fc gibi g\u00f6r\u00fcnebilir. Ancak paray\u0131 g\u00f6ndermeden \u00f6nce \u015funlar\u0131 g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z:<\/p>\n

    \n
  1. Fidyeyi \u00f6demek, bilgilerinizin g\u00fcvenli\u011fini garanti etmez. Yanl\u0131\u015f ellere d\u00fc\u015fm\u00fc\u015flerdir bile.<\/li>\n
  2. Sald\u0131rganlar bilgileri hemen yay\u0131nlamasa bile gizlice satmayacaklar\u0131n\u0131n ya da ba\u015fka sald\u0131r\u0131larda kullanmayacaklar\u0131n\u0131n garantisi yoktur.<\/li>\n
  3. Su\u00e7lulara \u00f6deme yaparak i\u015flerini finanse etmi\u015f olursunuz. Bu da ka\u00e7\u0131n\u0131lmaz olarak b\u00fcy\u00fcmelerine ve sald\u0131r\u0131 say\u0131lar\u0131n\u0131n artmas\u0131na neden olur.<\/li>\n
  4. \u00d6deme yapt\u0131\u011f\u0131n\u0131zda kesin olarak tekrar sald\u0131r\u0131labilecek bir hedef oldu\u011funuzun i\u015faretini verirsiniz.<\/li>\n<\/ol>\n

    Bu y\u00fczden \u00f6deme yapmaman\u0131z\u0131 \u00f6nemle tavsiye ediyoruz. Bunun d\u0131\u015f\u0131nda, tekrar fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131na u\u011framak istemeyenlere tavsiyelerimiz olduk\u00e7a standart:<\/p>\n