{"id":33308,"date":"2022-04-29T12:43:00","date_gmt":"2022-04-29T09:43:00","guid":{"rendered":"https:\/\/www.natro.com\/blog\/?p=33308"},"modified":"2022-05-07T12:52:27","modified_gmt":"2022-05-07T09:52:27","slug":"botnet-nedir-botnet-saldirisindan-nasil-korunuruz","status":"publish","type":"post","link":"https:\/\/www.natro.com\/blog\/botnet-nedir-botnet-saldirisindan-nasil-korunuruz\/","title":{"rendered":"Botnet Nedir? | Botnet Sald\u0131r\u0131s\u0131ndan Nas\u0131l Korunuruz?"},"content":{"rendered":"\n<p>Botnet (Robot A\u011f\u0131), DDoS sald\u0131r\u0131s\u0131 s\u0131ras\u0131nda oldu\u011fu gibi tek bir hedefe veya e-posta kimlik av\u0131 sald\u0131r\u0131lar\u0131 s\u0131ras\u0131nda oldu\u011fu gibi birden \u00e7ok hedefe koordineli sald\u0131r\u0131lar ba\u015flatmak i\u00e7in kullan\u0131lan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fm\u0131\u015f cihazlardan olu\u015fan a\u011f\u0131 ifade eder. Bir botnet\u2019teki t\u00fcm vir\u00fcsl\u00fc makineler, d\u00fcnyan\u0131n herhangi bir yerinde bulunabilecek tek bir siber sald\u0131rgan taraf\u0131ndan uzaktan kontrol edilir.<\/p>\n\n\n\n<p>K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fma yetene\u011fine sahip, internete a\u00e7\u0131k herhangi bir cihaz, Nesnelerin \u0130nterneti (IoT) cihazlar\u0131, bilgisayarlar, sunucular ve hatta mobil cihazlar bir botnet\u2019te kullan\u0131labilir. G\u00fcvenli\u011fi ihlal edilmi\u015f her cihaz\u0131n bir botnet\u2019e eklenmesi ile botnet sald\u0131r\u0131s\u0131n\u0131n yo\u011funlu\u011fu ve y\u0131k\u0131c\u0131l\u0131\u011f\u0131 artar. Yani bir botnet\u2019teki vir\u00fcsl\u00fc cihazlar\u0131n say\u0131s\u0131 ne kadar fazla olursa, siber sald\u0131r\u0131 o kadar y\u0131k\u0131c\u0131 olur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-botnet-saldirisi-ornekleri\"><span id=\"botnet-saldirisi-ornekleri\"><strong>Botnet Sald\u0131r\u0131s\u0131 \u00d6rnekleri<\/strong><\/span><\/h2>\n\n\n\n<p>Botnet\u2019ler yayg\u0131n olarak a\u015fa\u011f\u0131daki siber sald\u0131r\u0131lar i\u00e7in kullan\u0131l\u0131r:<\/p>\n\n\n\n<h3 id=\"1-ddos-saldirilari\" class=\"wp-block-heading\"><strong>1. DDoS Sald\u0131r\u0131lar\u0131<\/strong><\/h3>\n\n\n\n<p>DDoS sald\u0131r\u0131s\u0131 (Distributed Denial-of-service attack), bir web sunucusuna veya \u00f6zel a\u011fa \u00e7ok say\u0131da ba\u011flant\u0131 iste\u011fini a\u015f\u0131r\u0131 y\u00fcklemek ve \u00e7evrimd\u0131\u015f\u0131na zorlamak i\u00e7in bir botnet\u2019in kullan\u0131lmas\u0131d\u0131r. DoS sald\u0131r\u0131s\u0131 (Denial-of-service attack), g\u00fcvenli\u011fi ihlal edilmi\u015f tek bir cihaz taraf\u0131ndan y\u00fcr\u00fct\u00fcl\u00fcr. DDoS sald\u0131r\u0131lar\u0131 ise hasar\u0131 en \u00fcst d\u00fczeye \u00e7\u0131karmak i\u00e7in g\u00fcvenli\u011fi ihlal edilmi\u015f birden \u00e7ok cihazla y\u00fcr\u00fct\u00fcl\u00fcr.<\/p>\n\n\n\n<p>DDoS sald\u0131r\u0131lar\u0131 bazen rekabet avantaj\u0131 sa\u011flamak amac\u0131yla web sitesi sat\u0131\u015flar\u0131n\u0131 bozmak i\u00e7in ba\u015flat\u0131l\u0131r. Ransomware (fidye yaz\u0131l\u0131mlar\u0131) gibi, DDoS sald\u0131r\u0131lar\u0131 da kurban\u0131n siber sald\u0131r\u0131y\u0131 durdurmak i\u00e7in \u00f6deme yapmaya zorland\u0131\u011f\u0131 bir \u015fantaj i\u00e7erir. Sebebi ne olursa olsun, t\u00fcm DDoS bi\u00e7imleri d\u00fcnyan\u0131n genelinde su\u00e7tur.<\/p>\n\n\n\n<p>Ger\u00e7ekle\u015fen bir DDoS sald\u0131r\u0131s\u0131n\u0131n g\u00f6stergesi olabilecek iki i\u015faret vard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Web siteniz al\u0131\u015f\u0131lmad\u0131k \u015fekilde yava\u015f y\u00fckleniyorsa, bunun nedeni web sunucunuzun sald\u0131r\u0131 alt\u0131nda olmas\u0131 olabilir. Web siteniz sonunda tamamen y\u00fcklenmeyi durdurursa ve bunun yerine bir \u2018<strong>503 hizmeti kullan\u0131lam\u0131yor<\/strong>\u2018 hatas\u0131 g\u00f6r\u00fcnt\u00fclerse, durum b\u00f6yle olabilir.<\/li><li>Web sitenizi y\u00fcklemeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda \u2018503 hizmeti kullan\u0131lam\u0131yor\u2019 hatas\u0131 g\u00f6r\u00fcyorsan\u0131z benzer bir durum s\u00f6z konusudur. Di\u011fer web siteleri kusursuz y\u00fckleniyorsa ancak web sitenizi y\u00fcklemeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda bir \u2018503 hizmeti kullan\u0131lam\u0131yor\u2019 mesaj\u0131 g\u00f6r\u00fcyorsan\u0131z, web sunucunuz web sitenizi y\u00fckleyemiyor demektir. Bu, bir DDoS sald\u0131r\u0131s\u0131n\u0131n ama\u00e7lanan sonucudur.<\/li><\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>DDOS sald\u0131r\u0131lar\u0131 nelerdir ve bu sald\u0131r\u0131lardan nas\u0131l korunabilirsiniz \u00f6\u011frenmek ister misiniz? Hemen <a href=\"https:\/\/www.natro.com\/blog\/ddos-nedir-ddos-saldiri-turleri\/?utm_campaign=content&utm_medium=icerik&utm_source=hosting-blog&utm_content=\/blog\/botnet-nedir-botnet-saldirisindan-nasil-korunuruz\/\" target=\"_blank\" rel=\"noreferrer noopener\">buradaki<\/a> blog yaz\u0131m\u0131z\u0131 inceleyin ve cevab\u0131n\u0131 \u00f6\u011frenin.<\/p><\/blockquote>\n\n\n\n<h3 id=\"2-kimlik-avi-saldirilari-phishing\" class=\"wp-block-heading\"><strong>2. Kimlik Av\u0131 Sald\u0131r\u0131lar\u0131 (Phishing)<\/strong><\/h3>\n\n\n\n<p>Kimlik av\u0131 sald\u0131r\u0131s\u0131, siber su\u00e7lular\u0131n hassas verilere eri\u015fmek i\u00e7in \u00f6zel kimlik bilgilerini \u00e7almak amac\u0131yla vir\u00fcsl\u00fc ba\u011flant\u0131lar i\u00e7eren g\u00f6r\u00fcn\u00fc\u015fte zarars\u0131z e-postalar g\u00f6ndermesidir. Bir botnet, al\u0131c\u0131lar\u0131n e-posta hilesine kap\u0131lma \u015fans\u0131n\u0131 art\u0131rmak i\u00e7in b\u00fcy\u00fck \u00f6l\u00e7ekli bir kimlik av\u0131 sald\u0131r\u0131s\u0131 ba\u015flatabilir. B\u00f6yle bir duruma sahip herhangi bir e-posta al\u0131rsan\u0131z, onlarla etkile\u015fime ge\u00e7memelisiniz. Bir phishing sald\u0131r\u0131s\u0131n\u0131n kurban\u0131 oldu\u011funuzu d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z, her durumu ilgili makama bildirebilirsiniz.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Phishing ya da oltalama sald\u0131r\u0131s\u0131 hakk\u0131ndaki detayl\u0131 bilgilere <a href=\"https:\/\/www.natro.com\/blog\/phishing-oltalama-saldirisi-nedir\/?utm_campaign=content&utm_medium=icerik&utm_source=hosting-blog&utm_content=\/blog\/botnet-nedir-botnet-saldirisindan-nasil-korunuruz\/\" target=\"_blank\" rel=\"noreferrer noopener\">buradan<\/a> ula\u015fabilirsiniz.<\/p><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi.jpg\" alt=\"\" class=\"wp-image-33309\" srcset=\"https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi.jpg 800w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi-300x169.jpg 300w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi-768x432.jpg 768w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi-380x214.jpg 380w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi-760x428.jpg 760w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-saldirisi-600x338.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 id=\"3-finansal-veri-ihlalleri\" class=\"wp-block-heading\"><strong>3. Finansal Veri \u0130hlalleri<\/strong><\/h3>\n\n\n\n<p>Finansal botnet\u2019ler kurumlar\u0131 kredi kart\u0131 numaralar\u0131 gibi hassas finansal bilgileri ihlal etmek i\u00e7in hedefe koyar. Zeus botnet, \u00e7ok karma\u015f\u0131k bir finansal botnet t\u00fcr\u00fcd\u00fcr. K\u00f6t\u00fc ama\u00e7l\u0131 GameOver Zeus yaz\u0131l\u0131m\u0131, kimlik av\u0131 e-postalar\u0131 yoluyla yay\u0131l\u0131r. Etkilenen bilgisayarlar, daha sonra fonlar\u0131 su\u00e7 hesaplar\u0131na y\u00f6nlendirmek i\u00e7in kullan\u0131lan bankac\u0131l\u0131k kimlik bilgileri i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n<p>A\u011f, e\u015fler aras\u0131 bir komut ve kontrol altyap\u0131s\u0131 \u00fczerine kuruldu\u011fu i\u00e7in GameOver botnet\u2019i kapatmak, pek kolay de\u011fildir. Bu d\u00fczenlemeyle, vir\u00fcsl\u00fc her bilgisayara sabit bir yerden de\u011fil, botnet \u00fczerindeki g\u00fcvenli\u011fi ihlal edilmi\u015f di\u011fer cihazlardan k\u00f6t\u00fc ama\u00e7l\u0131 talimatlar g\u00f6nderilir. G\u00fcn\u00fcm\u00fczde GameOver Zeus botnetinin 100 milyon dolardan fazla kay\u0131ptan sorumlu oldu\u011fu tahmin ediliyor.<\/p>\n\n\n\n<p>GameOver Zeus k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131n\u0131n nas\u0131l kald\u0131r\u0131laca\u011f\u0131na ili\u015fkin Natro teknik ekibinden destek alabilirsiniz. A\u015fa\u011f\u0131daki belirtilerden herhangi biriyle kar\u015f\u0131la\u015f\u0131rsan\u0131z, bilgisayar\u0131n\u0131za Zeus k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131 bula\u015fm\u0131\u015f olabilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0130mleciniz ba\u011f\u0131ms\u0131z olarak hareket eder.<\/li><li>Bilgisayar\u0131n\u0131z normalden \u00f6nemli \u00f6l\u00e7\u00fcde daha yava\u015ft\u0131r.<\/li><li>Banka ekstrelerinizde \u015f\u00fcpheli finansal aktiviteler vard\u0131r.<\/li><li>Masa\u00fcst\u00fcn\u00fczde metin tabanl\u0131 sohbet pencereleri vard\u0131r.<\/li><\/ul>\n\n\n\n<h3 id=\"4-hedeflenen-izinsiz-girisler\" class=\"wp-block-heading\"><strong>4. Hedeflenen \u0130zinsiz Giri\u015fler<\/strong><\/h3>\n\n\n\n<p>Hedeflenen izinsiz giri\u015f, veri ihlallerini ger\u00e7ekle\u015ftirmek i\u00e7in botnet\u2019lerin kullan\u0131lmas\u0131d\u0131r. Bu sald\u0131r\u0131lar s\u0131ras\u0131nda, bir a\u011f\u0131n belirli bir noktas\u0131 hedeflenir ve sald\u0131r\u0131ya u\u011frar. B\u00f6ylece sald\u0131rganlar hassas kaynaklara daha derinden girebilir.<\/p>\n\n\n\n<p>Hedeflenen izinsiz giri\u015fin bir i\u015fareti, ayn\u0131 IP adresinden tek bir sunucu ba\u011flant\u0131 noktas\u0131na yap\u0131lan birden \u00e7ok ba\u011flant\u0131 iste\u011fidir ve bu ayn\u0131 zamanda bir DDoS sald\u0131r\u0131s\u0131n\u0131n i\u015faretidir. Web sunucusu g\u00fcnl\u00fcklerine manuel olarak ba\u015fvurmak yerine, bu siber sald\u0131r\u0131lar hassas kaynaklar\u0131n etraf\u0131na stratejik olarak yerle\u015ftirilmi\u015f honeytokens (bal belirte\u00e7leri) ile daha verimli bir \u015fekilde tespit edilebilir.<\/p>\n\n\n\n<h2 id=\"botnetler-nasil-calisir\" class=\"wp-block-heading\"><strong>Botnetler Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h2>\n\n\n\n<p>Belirli bir k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fm\u0131\u015f internete a\u00e7\u0131k cihazlar birbirine ba\u011fland\u0131\u011f\u0131nda bir botnet olu\u015fturulur. Bilgisayarlar, bir botnet\u2019teki birincil cihazlard\u0131r ve onlara bula\u015fan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, bir kimlik av\u0131 e-postas\u0131ndan, g\u00fcvenli\u011fi ihlal edilmi\u015f bir web sitesinden veya bir t\u0131klama sahtekarl\u0131\u011f\u0131 kampanyas\u0131ndan enjekte edilir.<\/p>\n\n\n\n<p>PC\u2019ler, botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n\u0131n birincil bilgisayar hedefleridir. Mac\u2019lerin, tehlikeye girme \u015fanslar\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde daha d\u00fc\u015f\u00fckt\u00fcr. IoT cihazlar\u0131 da bot olabilir. 2016 y\u0131l\u0131n\u0131n sonlar\u0131nda, Mirai olarak bilinen k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, 600.000 Linux CCTV kameras\u0131na bula\u015ft\u0131. Mirai botnet o kadar b\u00fcy\u00fck bir DDoS sald\u0131r\u0131s\u0131 ba\u015flatt\u0131 ki, Amerika\u2019n\u0131n do\u011fu k\u0131sm\u0131nda ciddi internet kesintisine neden oldu. Bu durum, botnet sald\u0131r\u0131lar\u0131n\u0131n g\u00fcn\u00fcm\u00fczde nas\u0131l bir tehdit olu\u015fturdu\u011funa dair \u00e7arp\u0131c\u0131 bir \u00f6rnektir.<\/p>\n\n\n\n<p>Vir\u00fcs bula\u015ft\u0131\u011f\u0131nda, g\u00fcvenli\u011fi ihlal edilen her cihaz, botnet sald\u0131r\u0131lar\u0131n\u0131 d\u00fczenleme hedefiyle tehdit akt\u00f6rleri taraf\u0131ndan uzaktan kontrol edilebilmeleri i\u00e7in, \u201cKomuta ve Kontrol Sunucular\u0131\u201d olarak bilinen su\u00e7 sunucular\u0131na gizlice ba\u011flan\u0131r.<\/p>\n\n\n\n<p>Siber su\u00e7lular, botnet\u2019lerine iki teknik d\u00fczenlemeyle ba\u011flanabilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u0130stemci-Sunucu Modeli<\/strong>: En yayg\u0131n botnet d\u00fczenlemesidir. Vir\u00fcs bula\u015fan her cihaz, iki ileti\u015fim protokol\u00fcnden biri olan IRC (\u0130nternet Aktar\u0131m Sohbeti) veya HTTP (K\u00f6pr\u00fc Metni Aktar\u0131m Protokol\u00fc) arac\u0131l\u0131\u011f\u0131yla botnet\u2019e komutlar veren bir su\u00e7lu Komuta ve Kontrol sunucusuna (C&C sunucusu) ba\u011flan\u0131r.<\/li><li><strong>P2P Modeli:<\/strong> \u0130stemci-sunucu botnet modelinin aksine, P2P botnet modeli merkezi de\u011fildir, yani komut talimatlar\u0131 tek bir statik kaynaktan g\u00f6nderilmez. Bunun yerine, g\u00fcvenli\u011fi ihlal edilen her cihaz, a\u011fdaki di\u011fer botlara talimat g\u00f6nderebilir. Yukar\u0131da ad\u0131 ge\u00e7en k\u00f6t\u00fc ama\u00e7l\u0131 Zeus yaz\u0131l\u0131m\u0131 i\u015fte bu modelde \u00e7al\u0131\u015f\u0131r.<\/li><\/ul>\n\n\n\n<p>Botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131, siber savunma veya insan engelleriyle u\u011fra\u015fmak zorunda kalmadan yeni botlar\u0131n an\u0131nda faaliyete ge\u00e7mesi i\u00e7in savunmas\u0131z u\u00e7 noktalara sahip cihazlar\u0131 ke\u015ffetmek \u00fczere tasarlanm\u0131\u015ft\u0131r. H\u0131zl\u0131 otonom geni\u015fleme, botnet kampanyalar\u0131n\u0131n temel amac\u0131d\u0131r. Botnet sald\u0131r\u0131s\u0131yla ilgili en endi\u015fe verici \u015fey, kurbanlar\u0131n genellikle cihazlar\u0131n\u0131n g\u00fcvenli\u011finin ihlal edildi\u011finin fark\u0131nda olmamas\u0131d\u0131r. Bir botnet sald\u0131r\u0131s\u0131 uzun y\u0131llar boyunca fark edilmeden faaliyet g\u00f6sterebilir.<\/p>\n\n\n\n<p>Yeni faaliyete al\u0131nan botlar, bir P2P botnet\u2019indeki g\u00fcvenli\u011fi ihlal edilmi\u015f ba\u015fka bir cihaz olan veya bir istemci-sunucu botnet\u2019indeki merkezi komut sunucusu olan bir bot y\u00f6neticisinden komutlar alana kadar hareketsiz kal\u0131r. Etkinle\u015ftirildi\u011finde bile, botnet\u2019ler g\u00f6zle g\u00f6r\u00fcl\u00fcr bir belirti olmadan \u00e7al\u0131\u015f\u0131r. Her bot, kurban\u0131n bant geni\u015fli\u011finin yaln\u0131zca k\u00fc\u00e7\u00fck bir b\u00f6l\u00fcm\u00fcn\u00fc belirli bir hedefe y\u00f6nlendirir. Bu i\u015flem, me\u015fru bilgisayar g\u00f6revlerinin arkas\u0131na gizlenerek arka planda sessizce ger\u00e7ekle\u015fir. Her bot yaln\u0131zca k\u00fc\u00e7\u00fck bir miktarda i\u015flemci bant geni\u015fli\u011fine sahip oldu\u011fundan, bir siber sald\u0131r\u0131 ba\u015flatmak i\u00e7in gereken gerekli derecede k\u00f6t\u00fc niyetli trafi\u011fi elde etmek i\u00e7in botnet\u2019lerin \u00e7ok b\u00fcy\u00fck olmas\u0131 gerekir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2.jpg\" alt=\"\" class=\"wp-image-33310\" srcset=\"https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2.jpg 800w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2-300x200.jpg 300w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2-768x513.jpg 768w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2-380x254.jpg 380w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2-760x507.jpg 760w, https:\/\/www.natro.com\/blog\/wp-content\/uploads\/2022\/05\/botnet-nedir-2-600x401.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 id=\"botnet-saldirisina-karsi-ne-yapmak-gerekir\" class=\"wp-block-heading\"><strong>Botnet Sald\u0131r\u0131s\u0131na Kar\u015f\u0131 Ne Yapmak Gerekir?<\/strong><\/h2>\n\n\n\n<p>Bilgisayar\u0131n\u0131z bir botnet\u2019e dahil edilmi\u015fse, yap\u0131lacak ilk \u015fey, internet ba\u011flant\u0131n\u0131z\u0131 keserek botnet ileti\u015fim kanal\u0131n\u0131 kesmek olmal\u0131d\u0131r. Botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131, bilgisayar\u0131n\u0131zdaki Wi-Fi anahtar\u0131n\u0131 de\u011fi\u015ftirmenizi engelliyorsa, y\u00f6nlendiricinizin fi\u015fini \u00e7ekin. Bu yap\u0131ld\u0131ktan sonra, i\u015fletim sisteminizin temiz bir s\u00fcr\u00fcm\u00fcn\u00fc yeniden y\u00fcklemek i\u00e7in Natro teknik destek ekibine ba\u015fvurabilir, ayr\u0131ca siber sald\u0131r\u0131y\u0131 emniyet g\u00fc\u00e7lerine bildirebilirsiniz. Cihazlar\u0131n\u0131za botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fmas\u0131n\u0131 \u00f6nlemek i\u00e7in bu \u00f6nlemleri alabilirsiniz:<\/p>\n\n\n\n<h3 id=\"kullanilmayan-baglanti-noktalarini-kapatin-veya-filtreleyin\" class=\"wp-block-heading\"><strong>Kullan\u0131lmayan Ba\u011flant\u0131 Noktalar\u0131n\u0131 Kapat\u0131n veya Filtreleyin<\/strong><\/h3>\n\n\n\n<p>A\u00e7\u0131k bir ba\u011flant\u0131 noktas\u0131, siber su\u00e7lular\u0131n botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n\u0131 enjekte etmek i\u00e7in kullan\u0131labilecek uygulama g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 belirlemesine olanak sa\u011flayabilir. Bunu \u00f6nlemek i\u00e7in, t\u00fcm gereksiz ba\u011flant\u0131 noktalar\u0131n\u0131n ya tamamen kapat\u0131ld\u0131\u011f\u0131ndan ya da filtrelendi\u011finden emin olun. Siber su\u00e7lular\u0131n a\u00e7\u0131k portlar\u0131n\u0131z hakk\u0131nda toplayabilece\u011fi istihbarat\u0131n seviyesini belirlemek i\u00e7in \u00fccretsiz a\u00e7\u0131k port taray\u0131c\u0131lar\u0131 kullanabilirsiniz.<\/p>\n\n\n\n<h3 id=\"segmentasyon-uygulayin\" class=\"wp-block-heading\"><strong>Segmentasyon Uygulay\u0131n<\/strong><\/h3>\n\n\n\n<p>Segmentasyon, botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n\u0131n a\u011f\u0131n\u0131z\u0131n di\u011fer alanlar\u0131na yay\u0131lmas\u0131n\u0131 \u00f6nlemek i\u00e7in savunmas\u0131z cihazlar etraf\u0131nda bir g\u00fcvenlik \u015femsiyesi olu\u015fturur. Bu a\u011f g\u00fcvenlik kontrol\u00fc, \u00f6zellikle IoT cihazlar\u0131 i\u00e7in \u00f6nemlidir.<\/p>\n\n\n\n<h3 id=\"tum-iot-cihazlarini-ve-bilgisayar-programlarini-guncel-tutun\" class=\"wp-block-heading\"><strong>T\u00fcm IoT Cihazlar\u0131n\u0131 ve Bilgisayar Programlar\u0131n\u0131 G\u00fcncel Tutun<\/strong><\/h3>\n\n\n\n<p>Yaz\u0131l\u0131m g\u00fcncellemeleri, botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n\u0131 ve casus yaz\u0131l\u0131mlar\u0131 enjekte etmek i\u00e7in kullan\u0131lan g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 giderir. D\u00fczenli yaz\u0131l\u0131m g\u00fcncellemeleri ve \u00fcr\u00fcn yaz\u0131l\u0131m\u0131 g\u00fcncellemeleri, t\u00fcm uzak cihazlar\u0131 ve IoT cihazlar\u0131n\u0131 korumal\u0131 tutar. En son g\u00fcvenlik g\u00fcncellemelerini g\u00f6zden ka\u00e7\u0131rmamak i\u00e7in web taray\u0131c\u0131n\u0131z ve i\u015fletim sisteminiz i\u00e7in otomatik yamalar\u0131 etkinle\u015ftirmelisiniz.<\/p>\n\n\n\n<h3 id=\"antivirus-yazilimi-kullanin\" class=\"wp-block-heading\"><strong>Antivir\u00fcs Yaz\u0131l\u0131m\u0131 Kullan\u0131n<\/strong><\/h3>\n\n\n\n<p>Bir\u00e7ok antivir\u00fcs yaz\u0131l\u0131m\u0131, Zeus ve di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m t\u00fcrlerini alg\u0131layabilir. Vir\u00fcsten koruma program\u0131n\u0131z\u0131n en son tehditleri alg\u0131layabildi\u011finden emin olmak i\u00e7in onu g\u00fcncel tutmal\u0131s\u0131n\u0131z. Botnet sald\u0131r\u0131s\u0131nda mobil cihazlar da kullan\u0131labilir. Vir\u00fcsten koruma yaz\u0131l\u0131m\u0131n\u0131z\u0131n Android ve iOS cihazlar\u0131n\u0131 da koruyabildi\u011finden emin olun.<\/p>\n\n\n\n<h3 id=\"guvenlik-duvari-kullanin\" class=\"wp-block-heading\"><strong>G\u00fcvenlik Duvar\u0131 Kullan\u0131n<\/strong><\/h3>\n\n\n\n<p>G\u00fcvenlik duvar\u0131 g\u00fcvenlik kontrolleri, cihazlar\u0131n\u0131zla botnet ileti\u015fimini alg\u0131lay\u0131p keser ve kaynaklar\u0131n\u0131z\u0131n siber su\u00e7lar i\u00e7in kullan\u0131lmas\u0131n\u0131 engeller.<\/p>\n\n\n\n<h3 id=\"guclu-oturum-acma-kimlik-bilgileri-olusturun\" class=\"wp-block-heading\"><strong>G\u00fc\u00e7l\u00fc Oturum A\u00e7ma Kimlik Bilgileri Olu\u015fturun<\/strong><\/h3>\n\n\n\n<p>Botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m savunmas\u0131n\u0131n en iyi bi\u00e7imi, siber su\u00e7lular\u0131 \u00f6zel a\u011f\u0131n\u0131zdan uzak tutmakt\u0131r. G\u00fc\u00e7l\u00fc kullan\u0131c\u0131 kimlik bilgileri, bilgisayar korsanlar\u0131n\u0131n oturum a\u00e7ma g\u00fcvenli\u011fini a\u015fma y\u00f6ntemleri arac\u0131l\u0131\u011f\u0131yla eri\u015fim elde etmesini \u00f6nleyecektir.<\/p>\n\n\n\n<h3 id=\"cok-faktorlu-kimlik-dogrulamayi-kullanin\" class=\"wp-block-heading\"><strong>\u00c7ok Fakt\u00f6rl\u00fc Kimlik Do\u011frulamay\u0131 Kullan\u0131n<\/strong><\/h3>\n\n\n\n<p>\u00c7ok Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (MFA), bir siber su\u00e7lunun d\u0131\u015f g\u00fcvenlik kontrollerinizden birini a\u015fmas\u0131 durumunda \u00f6zel a\u011f\u0131n\u0131zda ek bir karma\u015f\u0131kl\u0131k yarat\u0131r. En y\u00fcksek g\u00fcvenlik seviyesi i\u00e7in, MFA farkl\u0131 cihazlara yay\u0131lmal\u0131 ve asla tek bir sistemde kullan\u0131lmamal\u0131d\u0131r.<\/p>\n\n\n\n<p>Siber sald\u0131r\u0131lara kar\u015f\u0131 en etkili savunma y\u00f6ntemi \u00f6nleyici tedbirler almakt\u0131r. Natro, t\u00fcm web siteleriniz i\u00e7in etkili siber g\u00fcvenlik \u00e7\u00f6z\u00fcmleri sunar. Siz de hemen \u015fimdi Natro kalitesi ile siber g\u00fcvenli\u011finizi bir ad\u0131m \u00f6ne ta\u015f\u0131y\u0131n.<\/p>\n","protected":false},"excerpt":{"rendered":"Botnet (Robot A\u011f\u0131), DDoS sald\u0131r\u0131s\u0131 s\u0131ras\u0131nda oldu\u011fu gibi tek bir hedefe veya e-posta kimlik av\u0131 sald\u0131r\u0131lar\u0131 s\u0131ras\u0131nda oldu\u011fu&hellip;\n","protected":false},"author":7,"featured_media":33311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53,36],"tags":[],"class_list":{"0":"post-33308","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-guvenlik","8":"category-sunucu"},"_links":{"self":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts\/33308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/comments?post=33308"}],"version-history":[{"count":2,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts\/33308\/revisions"}],"predecessor-version":[{"id":33314,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts\/33308\/revisions\/33314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/media\/33311"}],"wp:attachment":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/media?parent=33308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/categories?post=33308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/tags?post=33308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}