Kaydedilen ilk fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131 1989’da, biyolog Joseph Popp’un disketlere AIDS Truva At\u0131 bula\u015ft\u0131rmas\u0131 ve onlar\u0131 di\u011fer ara\u015ft\u0131rmac\u0131lara da\u011f\u0131tmas\u0131yla ger\u00e7ekle\u015fmi\u015ftir. Fakat bu fidye yaz\u0131l\u0131m\u0131 hemen \u00e7al\u0131\u015fmad\u0131, bunun yerine hedeflenen ki\u015filerin bilgisayarlar\u0131n\u0131 90 kez ba\u015flatmas\u0131n\u0131 bekledi. Son olarak, t\u00fcm sistem dosyalar\u0131n\u0131 \u015fifreledi ve kullan\u0131c\u0131lardan hasar\u0131 geri almak i\u00e7in 189 dolar \u00f6demelerini istedi. Neyse ki uzmanlar, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131 kald\u0131rmak ve vir\u00fcsl\u00fc dosyalar\u0131n \u015fifresini \u00e7\u00f6zmek i\u00e7in ara\u00e7lar geli\u015ftirdi.<\/p>\n\n\n\n
O zamandan bu yana ise fidye yaz\u0131l\u0131mlar\u0131 astronomik bir \u015fekilde b\u00fcy\u00fcd\u00fc. Hastaneler, h\u00fck\u00fcmetler ve b\u00fcy\u00fck \u015firketler, onlar\u0131 siber su\u00e7lulara binlerce dolar fidye \u00f6demekle milyonlarca kurtarma maliyeti \u00f6demek aras\u0131nda se\u00e7im yapmaya zorlayan b\u00fcy\u00fck \u00f6l\u00e7ekli fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131lar\u0131ndan etkilendi.<\/p>\n\n\n\n
Peki fidye yaz\u0131l\u0131m\u0131 bir vir\u00fcst\u00fcr diyebilir miyiz?<\/p>\n\n\n\n
Hay\u0131r, farkl\u0131 bir k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m t\u00fcr\u00fcd\u00fcr. Vir\u00fcsler dosyalar\u0131n\u0131za veya yaz\u0131l\u0131m\u0131n\u0131za bula\u015f\u0131r ve kendi kendini \u00e7o\u011faltma yetene\u011fine sahiptir. Fidye yaz\u0131l\u0131m\u0131, dosyalar\u0131n\u0131z\u0131 kullan\u0131lamaz hale getirmek i\u00e7in kar\u0131\u015ft\u0131r\u0131r ve ard\u0131ndan \u00f6deme yapamn\u0131z\u0131 ister. Fidye yaz\u0131l\u0131mlar\u0131 ve vir\u00fcslerin her ikisi de bir antivir\u00fcs ile kald\u0131r\u0131labilir, ancak dosyalar\u0131n\u0131z \u015fifrelenmi\u015fse, onlar\u0131 geri alman\u0131z pek olas\u0131 de\u011fildir.<\/p>\n\n\n\n
Ransomware Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n![\"\"](\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/ransomware-nasil-calisir.png\")
<\/figure>\n<\/div>\n\n\nRansomware, verilerinize eri\u015fmenizi engelleyerek \u00e7al\u0131\u015f\u0131r. Bilgisayar\u0131n\u0131za eri\u015fim sa\u011flad\u0131ktan sonra dosyalar\u0131n\u0131z\u0131 sessizce \u015fifreler, ard\u0131ndan \u015fifrelenmi\u015f verilere eri\u015fim kar\u015f\u0131l\u0131\u011f\u0131nda bir fidye \u00f6demesi talep eder. Bu noktada, zaten \u015fifrelenmi\u015f olduklar\u0131 i\u00e7in dosyalar\u0131n\u0131z\u0131 kurtarmak i\u00e7in \u00e7ok ge\u00e7tir.<\/p>\n\n\n\n
Fidye yaz\u0131l\u0131m sald\u0131r\u0131s\u0131 nas\u0131l ger\u00e7ekle\u015fir?<\/strong><\/p>\n\n\n\nFidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131lar\u0131, farkl\u0131 t\u00fcrlerde ortaya \u00e7\u0131kabilir. \u0130lk olarak, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bilgisayar\u0131n\u0131za girer ve ard\u0131ndan, verilerinizi \u015fifrelemeye ba\u015flar. Son olarak da fidye talebiyle varl\u0131\u011f\u0131n\u0131 ortaya koyar.<\/p>\n\n\n\n
1. Cihaz\u0131n\u0131za bula\u015fma<\/h3>\n\n\n\n
Bir fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131, me\u015fru bir kaynaktan g\u00f6nderildi\u011fi varsay\u0131lan masum g\u00f6r\u00fcn\u00fcml\u00fc bir e-posta\u2019yla ba\u015flayabilir ve sizden bir fatura veya ba\u015fka bir \u00f6nemli belge indirmenizi isteyebilir. Bilgisayar korsanlar\u0131, hedeflenen ki\u015fileri bunun bir PDF, DOC veya Excel sayfas\u0131 oldu\u011funu d\u00fc\u015f\u00fcnmeleri i\u00e7in genellikle dosyan\u0131n ger\u00e7ek uzant\u0131s\u0131n\u0131 maskeler. Ancak asl\u0131nda, t\u0131klad\u0131\u011f\u0131n\u0131zda arka planda \u00e7al\u0131\u015fmaya ba\u015flayan y\u00fcr\u00fct\u00fclebilir bir dosyad\u0131r.<\/p>\n\n\n\n
2. Verilerinizi \u015fifreleme<\/h3>\n\n\n\n
Bir s\u00fcre ola\u011fan d\u0131\u015f\u0131 hi\u00e7bir \u015fey olmaz. Dosyalar\u0131n\u0131za hala eri\u015filebilir ve bildi\u011finiz kadar\u0131yla her \u015fey yolunda gider. Ancak k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, bilgisayar korsan\u0131n\u0131n sunucusuyla sessizce ba\u011flant\u0131 kurar ve bir \u00e7ift anahtar \u00fcretir. Bu, dosyalar\u0131n\u0131z\u0131 \u015fifrelemek i\u00e7in genel bir anahtar ve bilgisayar korsan\u0131n\u0131n sunucusunda depolanan ve \u015fifrelerini \u00e7\u00f6zmek i\u00e7in kullan\u0131lan \u00f6zel bir anahtard\u0131r.<\/p>\n\n\n\n
Fidye yaz\u0131l\u0131m\u0131 sabit s\u00fcr\u00fcc\u00fcn\u00fcze ula\u015ft\u0131\u011f\u0131nda, verilerinizi kaydetmek i\u00e7in fazla zaman\u0131n\u0131z kalmaz. Fidye yaz\u0131l\u0131m\u0131 dosyalar\u0131n\u0131z\u0131 \u00e7al\u0131\u015ft\u0131rmaya, \u015fifrelemeye ba\u015flar ve yaln\u0131zca hasar verildi\u011finde kendini g\u00f6sterir.<\/p>\n\n\n\n
3. Fidye notu<\/h3>\n\n\n\n
Ekran\u0131n\u0131zda bir fidye notu belirir ve size ne kadar \u00f6demeniz gerekti\u011fini ve paray\u0131 nas\u0131l transfer edece\u011finizi s\u00f6yler. Zaman i\u015flemeye ba\u015flad\u0131\u011f\u0131nda, genellikle fidyeyi \u00f6demek i\u00e7in birka\u00e7 g\u00fcn\u00fcn\u00fcz olur ve son teslim tarihinde \u00f6deme yapmazsan\u0131z fiyat y\u00fckselir.<\/p>\n\n\n\n
\u015eifrelenmi\u015f dosyalar\u0131n\u0131z\u0131 a\u00e7amazs\u0131n\u0131z ve bunu yapmaya \u00e7al\u0131\u015f\u0131rsan\u0131z dosyan\u0131z\u0131n y\u00fcklenemedi\u011fini, bozuk oldu\u011funu veya ge\u00e7erli olmad\u0131\u011f\u0131n\u0131 belirten bir hata mesaj\u0131 al\u0131rs\u0131n\u0131z.<\/p>\n\n\n\n
Ransomware T\u00fcrleri Nelerdir?\u00a0<\/h2>\n\n\n\n
Baz\u0131 ransomware t\u00fcrleri<\/strong> di\u011ferlerinden daha zararl\u0131d\u0131r, ancak hepsinin ortak bir noktas\u0131 vard\u0131r: Fidye yaz\u0131l\u0131m\u0131 mutlaka bir \u00f6deme talebi gerektirir.<\/p>\n\n\n\n1. Kripto k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m veya \u015fifreleyiciler<\/h3>\n\n\n\n
Kripto k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m veya \u015fifreleyiciler, en yayg\u0131n fidye yaz\u0131l\u0131m\u0131 t\u00fcr\u00fcd\u00fcr ve s\u00fcper g\u00fc\u00e7l\u00fc veri \u015fifreleme y\u00f6ntemlerini kullanarak size \u00e7ok fazla zarar verebilirler.\u00a0<\/p>\n\n\n\n
2. Lockers<\/h3>\n\n\n\n
Lockers, sizi bilgisayar\u0131n\u0131zdan tamamen kilitlemek i\u00e7in i\u015fletim sisteminize bula\u015f\u0131r ve herhangi bir uygulamaya veya dosyaya eri\u015fmenizi imkans\u0131z hale getirir.<\/p>\n\n\n\n
3. Scareware<\/h3>\n\n\n\n
Scareware, PC’nizde sorunlar buldu\u011funu iddia eden ve bunlar\u0131 d\u00fczeltmek i\u00e7in para talep eden sahte bir yaz\u0131l\u0131md\u0131r (sahte bir antivir\u00fcs veya temizleme arac\u0131 gibi). Baz\u0131 scareware \u00e7e\u015fitleri<\/strong> bilgisayar\u0131n\u0131z\u0131 kilitlerken, di\u011ferleri ekran\u0131n\u0131z\u0131 can s\u0131k\u0131c\u0131 uyar\u0131lar ve a\u00e7\u0131l\u0131r pencerelerle doldurur.<\/p>\n\n\n\n4. Doxware (Donan\u0131m Yaz\u0131l\u0131m\u0131)<\/h3>\n\n\n\n
Doxware, \u00f6deme yapmazsan\u0131z \u00e7al\u0131nan bilgilerinizi \u00e7evrimi\u00e7i yay\u0131nlamakla tehdit eder.<\/p>\n\n\n\n
5. Ransomware as a Service (Hizmet Olarak Fidye Yaz\u0131l\u0131m\u0131)<\/h3>\n\n\n\n
RaaS (Hizmet Olarak Fidye Yaz\u0131l\u0131m\u0131), fidyenin bir k\u0131sm\u0131 kar\u015f\u0131l\u0131\u011f\u0131nda fidye yaz\u0131l\u0131m\u0131n\u0131 da\u011f\u0131tan, \u00f6demeleri toplayan, \u015fifre \u00e7\u00f6z\u00fcc\u00fcleri y\u00f6neten bir bilgisayar korsan\u0131 taraf\u0131ndan anonim olarak bar\u0131nd\u0131r\u0131lan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131md\u0131r.<\/p>\n\n\n\n
6. Android fidye yaz\u0131l\u0131m\u0131<\/h3>\n\n\n\n
Android mobil cihazlar\u0131n\u0131z da fidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 g\u00fcvenli de\u011fildir. Android fidye yaz\u0131l\u0131m\u0131n\u0131n b\u00fcy\u00fck olas\u0131l\u0131kla, kullan\u0131c\u0131 aray\u00fcz\u00fc veya kaybolmayan bir a\u00e7\u0131l\u0131r pencere arac\u0131l\u0131\u011f\u0131yla cihaz\u0131n\u0131za eri\u015fmenizi engelleyen bir locker olmas\u0131 muhtemeldir. <\/p>\n\n\n\n
7. Mac fidye yaz\u0131l\u0131m\u0131<\/h3>\n\n\n\n
Apple cihazlar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara kar\u015f\u0131 Windows PC’lere g\u00f6re biraz daha dayan\u0131kl\u0131 olsa da, Mac fidye yaz\u0131l\u0131mlar\u0131 da y\u00fckseli\u015ftedir.<\/p>\n\n\n\n
Ransomware Nas\u0131l \u00d6nlenir?<\/h2>\n\n\n\n![\"\"](\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/ransomware-nasil-onlenir.png\")
<\/figure>\n<\/div>\n\n\nFidye yaz\u0131l\u0131mlar\u0131ndan ve di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlardan ka\u00e7\u0131nman\u0131n en iyi yolu ak\u0131ll\u0131 dijital al\u0131\u015fkanl\u0131klar uygulamakt\u0131r. Bu, \u015f\u00fcpheli web sitelerinden, ba\u011flant\u0131lardan, eklerden, istenmeyen e-posta\u2019lardan ka\u00e7\u0131nmak ve e-posta g\u00fcvenli\u011fi uygulamak<\/strong> anlam\u0131na gelir. <\/p>\n\n\n\nFidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 nas\u0131l korunaca\u011f\u0131n\u0131z\u0131 \u00f6\u011frenmenize yard\u0131mc\u0131 olacak baz\u0131 ek ipu\u00e7lar\u0131 ise a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n
1. \u00d6nemli dosyalar\u0131n\u0131z\u0131 yedekleyin<\/h3>\n\n\n\n
Her \u015feyi kaydetmek i\u00e7in \u00f6nemli dosyalar\u0131 yedekleyin veya t\u00fcm sabit s\u00fcr\u00fcc\u00fcn\u00fcz\u00fc kopyalay\u0131n. Harici bir s\u00fcr\u00fcc\u00fc, bir bulut hizmeti veya her ikisini birden kullanabilirsiniz. \u00d6nemli belgelerinizi ve foto\u011fraflar\u0131n\u0131z\u0131 g\u00fcvenli bir \u015fekilde saklamak i\u00e7in Dropbox, Google Drive, Mega veya ba\u015fka bir \u00fccretsiz bulut hizmeti aras\u0131ndan se\u00e7im yapabilirsiniz. Bu sayede hesab\u0131n\u0131za bir \u015fey olmas\u0131 durumunda verilerinizi \u00f6nceki bir s\u00fcr\u00fcme d\u00f6nd\u00fcrebilirsiniz.<\/p>\n\n\n\n
Siber su\u00e7lular \u00f6nemli dosyalar\u0131n\u0131z\u0131 kilitliyorsa, ancak g\u00fcvenli bir \u015fekilde saklanan bir yede\u011finiz varsa, onlar\u0131n hi\u00e7bir avantaj\u0131 yoktur. Fidye yaz\u0131l\u0131m\u0131n\u0131 kald\u0131rabilir, dosyalar\u0131n\u0131z\u0131 geri y\u00fckleyebilir ve herhangi bir fidye talebini yok sayabilirsiniz.<\/p>\n\n\n\n
2. G\u00fcncellenmi\u015f bir antivir\u00fcs kullan\u0131n<\/h3>\n\n\n\n
Antivir\u00fcs yaz\u0131l\u0131m\u0131, bilgisayar\u0131n\u0131zla u\u011fra\u015fmaya \u00e7al\u0131\u015fan her \u015feye kar\u015f\u0131 temel koruma sa\u011flar. Fidye yaz\u0131l\u0131mlar\u0131na ve di\u011fer her t\u00fcrl\u00fc k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131ma kar\u015f\u0131 7\/24 koruma i\u00e7in antivir\u00fcs korumas\u0131 sa\u011flayabilirsiniz. Antivir\u00fcs fidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 daha da fazla savunma sunar.<\/p>\n\n\n\n
3. \u0130\u015fletim sisteminizi g\u00fcncelleyin<\/h3>\n\n\n\n
G\u00fcvenlik g\u00fcncellemeleri, bilgisayar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi i\u00e7in hayati \u00f6nem ta\u015f\u0131r. Eski yaz\u0131l\u0131mlar sizi WannaCry gibi fidye yaz\u0131l\u0131mlar\u0131 da dahil olmak \u00fczere her t\u00fcrl\u00fc k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131ma kar\u015f\u0131 daha savunmas\u0131z hale getirir. Bu y\u00fczden i\u015fletim sisteminizi ve uygulamalar\u0131n\u0131z\u0131 her zaman g\u00fcncel tutun, m\u00fcmk\u00fcn olan her yerde otomatik g\u00fcncellemeyi kullan\u0131n ve m\u00fcmk\u00fcn de\u011filse g\u00fcncellemeleri haz\u0131r olur olmaz y\u00fckleyin.<\/p>\n\n\n\n
Ransomware Bilgisayar\u0131n\u0131za Nas\u0131l Bula\u015f\u0131r?<\/h2>\n\n\n\n
Fidye yaz\u0131l\u0131m\u0131, bilgisayar\u0131n\u0131za k\u00f6t\u00fc niyetli e-posta ekleri, reklamlar veya ba\u011flant\u0131lar yoluyla girebilir. Bilgisayar\u0131n\u0131za bula\u015ft\u0131ktan sonra, baz\u0131 fidye yaz\u0131l\u0131m\u0131 t\u00fcrleri ki\u015filerinize yay\u0131labilir ve onlar\u0131 ve ard\u0131ndan ki\u015filerinin ki\u015filerini vb. etkileyebilir.<\/p>\n\n\n\n
Peki fidye yaz\u0131l\u0131m\u0131 h\u0131zla nas\u0131l yay\u0131l\u0131r?<\/p>\n\n\n\n
1. Sosyal m\u00fchendislik<\/h3>\n\n\n\n
\u0130nsanlar\u0131 kand\u0131rmak i\u00e7in kullan\u0131lan pop\u00fcler bir terim olan sosyal m\u00fchendislik, genellikle insanlar\u0131 sahte bir ek veya ba\u011flant\u0131dan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m indirmeleri i\u00e7in kand\u0131rmak i\u00e7in kullan\u0131l\u0131r. K\u00f6t\u00fc ama\u00e7l\u0131 dosyalar genellikle s\u0131radan belgeler (sipari\u015f onaylar\u0131, makbuzlar, faturalar, bildirimler) olarak gizlenir ve sayg\u0131n bir \u015firket veya kurum taraf\u0131ndan g\u00f6nderilmi\u015f gibi g\u00f6r\u00fcn\u00fcr. Bunlardan birini bilgisayar\u0131n\u0131za indirip a\u00e7t\u0131\u011f\u0131n\u0131zda, fidye yaz\u0131l\u0131m\u0131 bilgisayar\u0131n\u0131za bula\u015f\u0131r.<\/p>\n\n\n\n
2. K\u00f6t\u00fc Ama\u00e7l\u0131 Reklamc\u0131l\u0131k<\/h3>\n\n\n\n
K\u00f6t\u00fc ama\u00e7l\u0131 reklamlar, fidye yaz\u0131l\u0131mlar\u0131, casus yaz\u0131l\u0131mlar, vir\u00fcsler ve di\u011fer k\u00f6t\u00fc \u015feyleri reklamlara ve reklam a\u011flar\u0131na g\u00f6mer. Bilgisayar korsanlar\u0131, fidye yaz\u0131l\u0131mlar\u0131n\u0131 yaymak i\u00e7in pop\u00fcler web sitelerinde (sosyal medya a\u011flar\u0131 veya YouTube dahil) reklam alan\u0131 bile sat\u0131n al\u0131r.<\/p>\n\n\n\n
3. \u0130stismar Kitleri<\/h3>\n\n\n\n
Siber su\u00e7lular, \u00f6nceden yaz\u0131lm\u0131\u015f kodlar\u0131 kullan\u0131ma haz\u0131r bir bilgisayar korsanl\u0131\u011f\u0131 arac\u0131na paketleyebilir. Bu kitler, g\u00fcncel olmayan yaz\u0131l\u0131mlar\u0131n neden oldu\u011fu g\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanmak i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n
4. Drive-by downloads<\/h3>\n\n\n\n
Baz\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 web siteleri, siz masum g\u00f6r\u00fcnen bir web sitesine g\u00f6z atarken veya bir video izlerken, eski taray\u0131c\u0131lardan veya uygulamalardan yararlan\u0131r ve arka planda sessizce k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m indirir.<\/p>\n","protected":false},"excerpt":{"rendered":"
Sizin i\u00e7in tehlikeli, ancak bilgisayar korsanlar\u0131 i\u00e7in son derece k\u00e2rl\u0131 olan ransomware (fidye yaz\u0131l\u0131m\u0131), g\u00fcn\u00fcm\u00fcz\u00fcn bir numaral\u0131 g\u00fcvenlik tehdididir. Peki ransomware tam olarak nedir? Ransomware…<\/p>\n","protected":false},"author":11,"featured_media":7362,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49,44],"tags":[],"class_list":["post-7361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik","category-nedir-nasil-yapilir"],"yoast_head":"\n
Ransomware Nedir? Ransomware Nas\u0131l \u00d6nlenir? - Niobe Hosting<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.niobehosting.com\/blog\/ransomware-nedir-ransomware-nasil-onlenir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ransomware Nedir? Ransomware Nas\u0131l \u00d6nlenir? - Niobe Hosting\" \/>\n<meta property=\"og:description\" content=\"Sizin i\u00e7in tehlikeli, ancak bilgisayar korsanlar\u0131 i\u00e7in son derece k\u00e2rl\u0131 olan ransomware (fidye yaz\u0131l\u0131m\u0131), g\u00fcn\u00fcm\u00fcz\u00fcn bir numaral\u0131 g\u00fcvenlik tehdididir. Peki ransomware tam olarak nedir? 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<\/figure>\n<\/div>\n\n\nRansomware, verilerinize eri\u015fmenizi engelleyerek \u00e7al\u0131\u015f\u0131r. Bilgisayar\u0131n\u0131za eri\u015fim sa\u011flad\u0131ktan sonra dosyalar\u0131n\u0131z\u0131 sessizce \u015fifreler, ard\u0131ndan \u015fifrelenmi\u015f verilere eri\u015fim kar\u015f\u0131l\u0131\u011f\u0131nda bir fidye \u00f6demesi talep eder. Bu noktada, zaten \u015fifrelenmi\u015f olduklar\u0131 i\u00e7in dosyalar\u0131n\u0131z\u0131 kurtarmak i\u00e7in \u00e7ok ge\u00e7tir.<\/p>\n\n\n\n
Fidye yaz\u0131l\u0131m sald\u0131r\u0131s\u0131 nas\u0131l ger\u00e7ekle\u015fir?<\/strong><\/p>\n\n\n\n Fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131lar\u0131, farkl\u0131 t\u00fcrlerde ortaya \u00e7\u0131kabilir. \u0130lk olarak, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bilgisayar\u0131n\u0131za girer ve ard\u0131ndan, verilerinizi \u015fifrelemeye ba\u015flar. Son olarak da fidye talebiyle varl\u0131\u011f\u0131n\u0131 ortaya koyar.<\/p>\n\n\n\n Bir fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131, me\u015fru bir kaynaktan g\u00f6nderildi\u011fi varsay\u0131lan masum g\u00f6r\u00fcn\u00fcml\u00fc bir e-posta\u2019yla ba\u015flayabilir ve sizden bir fatura veya ba\u015fka bir \u00f6nemli belge indirmenizi isteyebilir. Bilgisayar korsanlar\u0131, hedeflenen ki\u015fileri bunun bir PDF, DOC veya Excel sayfas\u0131 oldu\u011funu d\u00fc\u015f\u00fcnmeleri i\u00e7in genellikle dosyan\u0131n ger\u00e7ek uzant\u0131s\u0131n\u0131 maskeler. Ancak asl\u0131nda, t\u0131klad\u0131\u011f\u0131n\u0131zda arka planda \u00e7al\u0131\u015fmaya ba\u015flayan y\u00fcr\u00fct\u00fclebilir bir dosyad\u0131r.<\/p>\n\n\n\n Bir s\u00fcre ola\u011fan d\u0131\u015f\u0131 hi\u00e7bir \u015fey olmaz. Dosyalar\u0131n\u0131za hala eri\u015filebilir ve bildi\u011finiz kadar\u0131yla her \u015fey yolunda gider. Ancak k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, bilgisayar korsan\u0131n\u0131n sunucusuyla sessizce ba\u011flant\u0131 kurar ve bir \u00e7ift anahtar \u00fcretir. Bu, dosyalar\u0131n\u0131z\u0131 \u015fifrelemek i\u00e7in genel bir anahtar ve bilgisayar korsan\u0131n\u0131n sunucusunda depolanan ve \u015fifrelerini \u00e7\u00f6zmek i\u00e7in kullan\u0131lan \u00f6zel bir anahtard\u0131r.<\/p>\n\n\n\n Fidye yaz\u0131l\u0131m\u0131 sabit s\u00fcr\u00fcc\u00fcn\u00fcze ula\u015ft\u0131\u011f\u0131nda, verilerinizi kaydetmek i\u00e7in fazla zaman\u0131n\u0131z kalmaz. Fidye yaz\u0131l\u0131m\u0131 dosyalar\u0131n\u0131z\u0131 \u00e7al\u0131\u015ft\u0131rmaya, \u015fifrelemeye ba\u015flar ve yaln\u0131zca hasar verildi\u011finde kendini g\u00f6sterir.<\/p>\n\n\n\n Ekran\u0131n\u0131zda bir fidye notu belirir ve size ne kadar \u00f6demeniz gerekti\u011fini ve paray\u0131 nas\u0131l transfer edece\u011finizi s\u00f6yler. Zaman i\u015flemeye ba\u015flad\u0131\u011f\u0131nda, genellikle fidyeyi \u00f6demek i\u00e7in birka\u00e7 g\u00fcn\u00fcn\u00fcz olur ve son teslim tarihinde \u00f6deme yapmazsan\u0131z fiyat y\u00fckselir.<\/p>\n\n\n\n \u015eifrelenmi\u015f dosyalar\u0131n\u0131z\u0131 a\u00e7amazs\u0131n\u0131z ve bunu yapmaya \u00e7al\u0131\u015f\u0131rsan\u0131z dosyan\u0131z\u0131n y\u00fcklenemedi\u011fini, bozuk oldu\u011funu veya ge\u00e7erli olmad\u0131\u011f\u0131n\u0131 belirten bir hata mesaj\u0131 al\u0131rs\u0131n\u0131z.<\/p>\n\n\n\n Baz\u0131 ransomware t\u00fcrleri<\/strong> di\u011ferlerinden daha zararl\u0131d\u0131r, ancak hepsinin ortak bir noktas\u0131 vard\u0131r: Fidye yaz\u0131l\u0131m\u0131 mutlaka bir \u00f6deme talebi gerektirir.<\/p>\n\n\n\n Kripto k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m veya \u015fifreleyiciler, en yayg\u0131n fidye yaz\u0131l\u0131m\u0131 t\u00fcr\u00fcd\u00fcr ve s\u00fcper g\u00fc\u00e7l\u00fc veri \u015fifreleme y\u00f6ntemlerini kullanarak size \u00e7ok fazla zarar verebilirler.\u00a0<\/p>\n\n\n\n Lockers, sizi bilgisayar\u0131n\u0131zdan tamamen kilitlemek i\u00e7in i\u015fletim sisteminize bula\u015f\u0131r ve herhangi bir uygulamaya veya dosyaya eri\u015fmenizi imkans\u0131z hale getirir.<\/p>\n\n\n\n Scareware, PC’nizde sorunlar buldu\u011funu iddia eden ve bunlar\u0131 d\u00fczeltmek i\u00e7in para talep eden sahte bir yaz\u0131l\u0131md\u0131r (sahte bir antivir\u00fcs veya temizleme arac\u0131 gibi). Baz\u0131 scareware \u00e7e\u015fitleri<\/strong> bilgisayar\u0131n\u0131z\u0131 kilitlerken, di\u011ferleri ekran\u0131n\u0131z\u0131 can s\u0131k\u0131c\u0131 uyar\u0131lar ve a\u00e7\u0131l\u0131r pencerelerle doldurur.<\/p>\n\n\n\n Doxware, \u00f6deme yapmazsan\u0131z \u00e7al\u0131nan bilgilerinizi \u00e7evrimi\u00e7i yay\u0131nlamakla tehdit eder.<\/p>\n\n\n\n RaaS (Hizmet Olarak Fidye Yaz\u0131l\u0131m\u0131), fidyenin bir k\u0131sm\u0131 kar\u015f\u0131l\u0131\u011f\u0131nda fidye yaz\u0131l\u0131m\u0131n\u0131 da\u011f\u0131tan, \u00f6demeleri toplayan, \u015fifre \u00e7\u00f6z\u00fcc\u00fcleri y\u00f6neten bir bilgisayar korsan\u0131 taraf\u0131ndan anonim olarak bar\u0131nd\u0131r\u0131lan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131md\u0131r.<\/p>\n\n\n\n Android mobil cihazlar\u0131n\u0131z da fidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 g\u00fcvenli de\u011fildir. Android fidye yaz\u0131l\u0131m\u0131n\u0131n b\u00fcy\u00fck olas\u0131l\u0131kla, kullan\u0131c\u0131 aray\u00fcz\u00fc veya kaybolmayan bir a\u00e7\u0131l\u0131r pencere arac\u0131l\u0131\u011f\u0131yla cihaz\u0131n\u0131za eri\u015fmenizi engelleyen bir locker olmas\u0131 muhtemeldir. <\/p>\n\n\n\n Apple cihazlar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara kar\u015f\u0131 Windows PC’lere g\u00f6re biraz daha dayan\u0131kl\u0131 olsa da, Mac fidye yaz\u0131l\u0131mlar\u0131 da y\u00fckseli\u015ftedir.<\/p>\n\n\n\n Fidye yaz\u0131l\u0131mlar\u0131ndan ve di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlardan ka\u00e7\u0131nman\u0131n en iyi yolu ak\u0131ll\u0131 dijital al\u0131\u015fkanl\u0131klar uygulamakt\u0131r. Bu, \u015f\u00fcpheli web sitelerinden, ba\u011flant\u0131lardan, eklerden, istenmeyen e-posta\u2019lardan ka\u00e7\u0131nmak ve e-posta g\u00fcvenli\u011fi uygulamak<\/strong> anlam\u0131na gelir. <\/p>\n\n\n\n Fidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 nas\u0131l korunaca\u011f\u0131n\u0131z\u0131 \u00f6\u011frenmenize yard\u0131mc\u0131 olacak baz\u0131 ek ipu\u00e7lar\u0131 ise a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n Her \u015feyi kaydetmek i\u00e7in \u00f6nemli dosyalar\u0131 yedekleyin veya t\u00fcm sabit s\u00fcr\u00fcc\u00fcn\u00fcz\u00fc kopyalay\u0131n. Harici bir s\u00fcr\u00fcc\u00fc, bir bulut hizmeti veya her ikisini birden kullanabilirsiniz. \u00d6nemli belgelerinizi ve foto\u011fraflar\u0131n\u0131z\u0131 g\u00fcvenli bir \u015fekilde saklamak i\u00e7in Dropbox, Google Drive, Mega veya ba\u015fka bir \u00fccretsiz bulut hizmeti aras\u0131ndan se\u00e7im yapabilirsiniz. Bu sayede hesab\u0131n\u0131za bir \u015fey olmas\u0131 durumunda verilerinizi \u00f6nceki bir s\u00fcr\u00fcme d\u00f6nd\u00fcrebilirsiniz.<\/p>\n\n\n\n Siber su\u00e7lular \u00f6nemli dosyalar\u0131n\u0131z\u0131 kilitliyorsa, ancak g\u00fcvenli bir \u015fekilde saklanan bir yede\u011finiz varsa, onlar\u0131n hi\u00e7bir avantaj\u0131 yoktur. Fidye yaz\u0131l\u0131m\u0131n\u0131 kald\u0131rabilir, dosyalar\u0131n\u0131z\u0131 geri y\u00fckleyebilir ve herhangi bir fidye talebini yok sayabilirsiniz.<\/p>\n\n\n\n Antivir\u00fcs yaz\u0131l\u0131m\u0131, bilgisayar\u0131n\u0131zla u\u011fra\u015fmaya \u00e7al\u0131\u015fan her \u015feye kar\u015f\u0131 temel koruma sa\u011flar. Fidye yaz\u0131l\u0131mlar\u0131na ve di\u011fer her t\u00fcrl\u00fc k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131ma kar\u015f\u0131 7\/24 koruma i\u00e7in antivir\u00fcs korumas\u0131 sa\u011flayabilirsiniz. Antivir\u00fcs fidye yaz\u0131l\u0131mlar\u0131na kar\u015f\u0131 daha da fazla savunma sunar.<\/p>\n\n\n\n G\u00fcvenlik g\u00fcncellemeleri, bilgisayar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi i\u00e7in hayati \u00f6nem ta\u015f\u0131r. Eski yaz\u0131l\u0131mlar sizi WannaCry gibi fidye yaz\u0131l\u0131mlar\u0131 da dahil olmak \u00fczere her t\u00fcrl\u00fc k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131ma kar\u015f\u0131 daha savunmas\u0131z hale getirir. Bu y\u00fczden i\u015fletim sisteminizi ve uygulamalar\u0131n\u0131z\u0131 her zaman g\u00fcncel tutun, m\u00fcmk\u00fcn olan her yerde otomatik g\u00fcncellemeyi kullan\u0131n ve m\u00fcmk\u00fcn de\u011filse g\u00fcncellemeleri haz\u0131r olur olmaz y\u00fckleyin.<\/p>\n\n\n\n Fidye yaz\u0131l\u0131m\u0131, bilgisayar\u0131n\u0131za k\u00f6t\u00fc niyetli e-posta ekleri, reklamlar veya ba\u011flant\u0131lar yoluyla girebilir. Bilgisayar\u0131n\u0131za bula\u015ft\u0131ktan sonra, baz\u0131 fidye yaz\u0131l\u0131m\u0131 t\u00fcrleri ki\u015filerinize yay\u0131labilir ve onlar\u0131 ve ard\u0131ndan ki\u015filerinin ki\u015filerini vb. etkileyebilir.<\/p>\n\n\n\n Peki fidye yaz\u0131l\u0131m\u0131 h\u0131zla nas\u0131l yay\u0131l\u0131r?<\/p>\n\n\n\n \u0130nsanlar\u0131 kand\u0131rmak i\u00e7in kullan\u0131lan pop\u00fcler bir terim olan sosyal m\u00fchendislik, genellikle insanlar\u0131 sahte bir ek veya ba\u011flant\u0131dan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m indirmeleri i\u00e7in kand\u0131rmak i\u00e7in kullan\u0131l\u0131r. K\u00f6t\u00fc ama\u00e7l\u0131 dosyalar genellikle s\u0131radan belgeler (sipari\u015f onaylar\u0131, makbuzlar, faturalar, bildirimler) olarak gizlenir ve sayg\u0131n bir \u015firket veya kurum taraf\u0131ndan g\u00f6nderilmi\u015f gibi g\u00f6r\u00fcn\u00fcr. Bunlardan birini bilgisayar\u0131n\u0131za indirip a\u00e7t\u0131\u011f\u0131n\u0131zda, fidye yaz\u0131l\u0131m\u0131 bilgisayar\u0131n\u0131za bula\u015f\u0131r.<\/p>\n\n\n\n K\u00f6t\u00fc ama\u00e7l\u0131 reklamlar, fidye yaz\u0131l\u0131mlar\u0131, casus yaz\u0131l\u0131mlar, vir\u00fcsler ve di\u011fer k\u00f6t\u00fc \u015feyleri reklamlara ve reklam a\u011flar\u0131na g\u00f6mer. Bilgisayar korsanlar\u0131, fidye yaz\u0131l\u0131mlar\u0131n\u0131 yaymak i\u00e7in pop\u00fcler web sitelerinde (sosyal medya a\u011flar\u0131 veya YouTube dahil) reklam alan\u0131 bile sat\u0131n al\u0131r.<\/p>\n\n\n\n Siber su\u00e7lular, \u00f6nceden yaz\u0131lm\u0131\u015f kodlar\u0131 kullan\u0131ma haz\u0131r bir bilgisayar korsanl\u0131\u011f\u0131 arac\u0131na paketleyebilir. Bu kitler, g\u00fcncel olmayan yaz\u0131l\u0131mlar\u0131n neden oldu\u011fu g\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanmak i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n Baz\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 web siteleri, siz masum g\u00f6r\u00fcnen bir web sitesine g\u00f6z atarken veya bir video izlerken, eski taray\u0131c\u0131lardan veya uygulamalardan yararlan\u0131r ve arka planda sessizce k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m indirir.<\/p>\n","protected":false},"excerpt":{"rendered":" Sizin i\u00e7in tehlikeli, ancak bilgisayar korsanlar\u0131 i\u00e7in son derece k\u00e2rl\u0131 olan ransomware (fidye yaz\u0131l\u0131m\u0131), g\u00fcn\u00fcm\u00fcz\u00fcn bir numaral\u0131 g\u00fcvenlik tehdididir. Peki ransomware tam olarak nedir? Ransomware…<\/p>\n","protected":false},"author":11,"featured_media":7362,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49,44],"tags":[],"class_list":["post-7361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik","category-nedir-nasil-yapilir"],"yoast_head":"\n1. Cihaz\u0131n\u0131za bula\u015fma<\/h3>\n\n\n\n
2. Verilerinizi \u015fifreleme<\/h3>\n\n\n\n
3. Fidye notu<\/h3>\n\n\n\n
Ransomware T\u00fcrleri Nelerdir?\u00a0<\/h2>\n\n\n\n
1. Kripto k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m veya \u015fifreleyiciler<\/h3>\n\n\n\n
2. Lockers<\/h3>\n\n\n\n
3. Scareware<\/h3>\n\n\n\n
4. Doxware (Donan\u0131m Yaz\u0131l\u0131m\u0131)<\/h3>\n\n\n\n
5. Ransomware as a Service (Hizmet Olarak Fidye Yaz\u0131l\u0131m\u0131)<\/h3>\n\n\n\n
6. Android fidye yaz\u0131l\u0131m\u0131<\/h3>\n\n\n\n
7. Mac fidye yaz\u0131l\u0131m\u0131<\/h3>\n\n\n\n
Ransomware Nas\u0131l \u00d6nlenir?<\/h2>\n\n\n
<\/figure>\n<\/div>\n\n\n1. \u00d6nemli dosyalar\u0131n\u0131z\u0131 yedekleyin<\/h3>\n\n\n\n
2. G\u00fcncellenmi\u015f bir antivir\u00fcs kullan\u0131n<\/h3>\n\n\n\n
3. \u0130\u015fletim sisteminizi g\u00fcncelleyin<\/h3>\n\n\n\n
Ransomware Bilgisayar\u0131n\u0131za Nas\u0131l Bula\u015f\u0131r?<\/h2>\n\n\n\n
1. Sosyal m\u00fchendislik<\/h3>\n\n\n\n
2. K\u00f6t\u00fc Ama\u00e7l\u0131 Reklamc\u0131l\u0131k<\/h3>\n\n\n\n
3. \u0130stismar Kitleri<\/h3>\n\n\n\n
4. Drive-by downloads<\/h3>\n\n\n\n