{"id":477788,"date":"2023-08-09T09:20:26","date_gmt":"2023-08-09T09:20:26","guid":{"rendered":""},"modified":"2023-09-05T11:15:25","modified_gmt":"2023-09-05T11:15:25","slug":"krack-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/krack-attack\/","title":{"rendered":"KRACK sald\u0131r\u0131s\u0131"},"content":{"rendered":"<p>KRACK sald\u0131r\u0131s\u0131 hakk\u0131nda k\u0131sa bilgi<\/p>\n<p>Anahtar Yeniden Y\u00fckleme Sald\u0131r\u0131s\u0131 veya KRACK Sald\u0131r\u0131s\u0131, \u00e7o\u011fu modern korumal\u0131 Wi-Fi a\u011f\u0131n\u0131 g\u00fcvence alt\u0131na alan WPA2 protokol\u00fcndeki ciddi bir zay\u0131fl\u0131kt\u0131r. Ma\u011fdurun menzilindeki bir sald\u0131rgan\u0131n, g\u00fcvenli bir \u015fekilde \u015fifrelendi\u011fi varsay\u0131lan bilgileri ihlal etmesine olanak tan\u0131r. Sald\u0131r\u0131, Wi-Fi anla\u015fmalar\u0131n\u0131n \u00e7al\u0131\u015fma bi\u00e7imindeki g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 manip\u00fcle ederek kredi kart\u0131 numaralar\u0131, \u015fifreler ve sohbet mesajlar\u0131 gibi hassas bilgileri m\u00fcdahaleye a\u00e7\u0131k hale getiriyor.<\/p>\n<h2>KRACK Sald\u0131r\u0131s\u0131n\u0131n K\u00f6keninin Tarihi ve \u0130lk Bahsedilmesi<\/h2>\n<p>KRACK sald\u0131r\u0131s\u0131 ilk olarak 2016 y\u0131l\u0131nda Bel\u00e7ikal\u0131 ara\u015ft\u0131rmac\u0131lar Mathy Vanhoef ve KU Leuven&#039;den Frank Piessens taraf\u0131ndan ke\u015ffedildi. Bulgular\u0131n\u0131 resmi olarak Ekim 2017&#039;de duyurdular ve g\u00fcvenli Wi-Fi ba\u011flant\u0131lar\u0131 i\u00e7in WPA2 protokol\u00fcne yayg\u0131n olarak g\u00fcvenilmesi nedeniyle teknoloji camias\u0131nda \u015fok dalgalar\u0131 yaratt\u0131lar.<\/p>\n<h2>KRACK Sald\u0131r\u0131s\u0131 Hakk\u0131nda Detayl\u0131 Bilgi: KRACK Sald\u0131r\u0131s\u0131 Konusunu Geni\u015fletmek<\/h2>\n<p>KRACK sald\u0131r\u0131s\u0131, belirli bir cihaz veya yaz\u0131l\u0131mdaki belirli bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 hedef almaz; bunun yerine WPA2 protokol\u00fcn\u00fcn tasar\u0131m\u0131ndaki bir kusuru ortaya \u00e7\u0131kar\u0131r. Sald\u0131r\u0131, bir cihaz ile y\u00f6nlendirici aras\u0131nda Wi-Fi ba\u011flant\u0131s\u0131 kuruldu\u011funda meydana gelen d\u00f6rt y\u00f6nl\u00fc el s\u0131k\u0131\u015fmay\u0131 hedef al\u0131yor.<\/p>\n<h3>D\u00f6rt Y\u00f6nl\u00fc El S\u0131k\u0131\u015fma:<\/h3>\n<ol>\n<li><strong>\u0130stemci Kimlik Do\u011frulamas\u0131:<\/strong> M\u00fc\u015fteri a\u011f \u015fifresini bildi\u011fini kan\u0131tlar.<\/li>\n<li><strong>Anahtar T\u00fcretme:<\/strong> Her iki taraf da verileri \u015fifrelemek i\u00e7in payla\u015f\u0131lan bir anahtar elde eder.<\/li>\n<li><strong>Onayla:<\/strong> Taraflar ayn\u0131 anahtara sahip olduklar\u0131n\u0131 do\u011frularlar.<\/li>\n<li><strong>Ba\u011flant\u0131:<\/strong> G\u00fcvenli ba\u011flant\u0131 kuruldu.<\/li>\n<\/ol>\n<p>KRACK sald\u0131r\u0131s\u0131 bu el s\u0131k\u0131\u015fmaya m\u00fcdahale ederek anahtar\u0131n yeniden kurulmas\u0131n\u0131 zorlar, bu da kriptografik anahtarlar\u0131n yeniden kullan\u0131lmas\u0131na yol a\u00e7arak veri \u015fifrelemeyi zay\u0131flat\u0131r.<\/p>\n<h2>KRACK Sald\u0131r\u0131s\u0131n\u0131n \u0130\u00e7 Yap\u0131s\u0131: KRACK Sald\u0131r\u0131s\u0131 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p>KRACK sald\u0131r\u0131s\u0131 \u00f6ncelikle d\u00f6rt y\u00f6nl\u00fc el s\u0131k\u0131\u015fman\u0131n \u00fc\u00e7\u00fcnc\u00fc ad\u0131m\u0131n\u0131 etkiliyor. Sald\u0131rgan, el s\u0131k\u0131\u015fman\u0131n 3 numaral\u0131 mesaj\u0131n\u0131 yeniden iletmeye zorlayarak istemcinin \u00f6nceden kullan\u0131lm\u0131\u015f bir anahtar\u0131 yeniden y\u00fcklemesine ve ilgili parametrelerin s\u0131f\u0131rlanmas\u0131na neden olur. \u0130\u015fte ad\u0131m ad\u0131m bir k\u0131lavuz:<\/p>\n<ol>\n<li><strong>M\u00fcdahale:<\/strong> Sald\u0131rgan, istemci ile AP (Eri\u015fim Noktas\u0131) aras\u0131ndaki el s\u0131k\u0131\u015fmay\u0131 engeller.<\/li>\n<li><strong>\u015eifre \u00e7\u00f6zme:<\/strong> Sald\u0131rgan mesaj\u0131n \u015fifresini \u00e7\u00f6zer.<\/li>\n<li><strong>Yeniden g\u00f6nderiliyor:<\/strong> Sald\u0131rgan 3 numaral\u0131 mesaj\u0131 yeniden g\u00f6ndererek istemcinin anahtar\u0131 yeniden y\u00fcklemesine neden olur.<\/li>\n<li><strong>Veri yakalama:<\/strong> Art\u0131k sald\u0131rgan verileri yakalayabilir ve i\u015fleyebilir.<\/li>\n<\/ol>\n<h2>KRACK Sald\u0131r\u0131s\u0131n\u0131n Temel \u00d6zelliklerinin Analizi<\/h2>\n<ul>\n<li><strong>Evrensel Uygulanabilirlik:<\/strong> WPA2 kullanan hemen hemen her cihaz\u0131 etkiler.<\/li>\n<li><strong>\u015eifreli Trafi\u011fin Manip\u00fclasyonu:<\/strong> Sald\u0131rganlar\u0131n paketlerin \u015fifresini \u00e7\u00f6zmesine, yeniden oynatmas\u0131na ve olu\u015fturmas\u0131na olanak tan\u0131r.<\/li>\n<li><strong>\u015eifre Gerekmez:<\/strong> Wi-Fi \u015fifresine eri\u015fim gerektirmez.<\/li>\n<\/ul>\n<h2>KRACK Sald\u0131r\u0131s\u0131 T\u00fcrleri: Genel Bak\u0131\u015f<\/h2>\n<table>\n<thead>\n<tr>\n<th>Varyant<\/th>\n<th>Hedef<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Anahtar\u0131n Yeniden Kurulumu<\/td>\n<td>M\u00fc\u015fteriler<\/td>\n<td>\u0130stemci taraf\u0131 el s\u0131k\u0131\u015fma s\u00fcrecini hedefler.<\/td>\n<\/tr>\n<tr>\n<td>Grup Anahtar Sald\u0131r\u0131s\u0131<\/td>\n<td>A\u011f<\/td>\n<td>Bir a\u011fda kullan\u0131lan grup anahtarlar\u0131n\u0131 hedefler.<\/td>\n<\/tr>\n<tr>\n<td>PeerKey Sald\u0131r\u0131s\u0131<\/td>\n<td>E\u015f cihazlar<\/td>\n<td>Ayn\u0131 a\u011fdaki cihazlar aras\u0131ndaki el s\u0131k\u0131\u015fmay\u0131 hedefler<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>KRACK Sald\u0131r\u0131s\u0131n\u0131 Kullanma Yollar\u0131, Kullan\u0131ma \u0130li\u015fkin Sorunlar ve \u00c7\u00f6z\u00fcmleri<\/h2>\n<h3>Kullan\u0131m Yollar\u0131:<\/h3>\n<ul>\n<li><strong>Veri h\u0131rs\u0131zl\u0131\u011f\u0131:<\/strong> Ki\u015fisel veya mali bilgilerin \u00e7al\u0131nmas\u0131.<\/li>\n<li><strong>A\u011f Manip\u00fclasyonu:<\/strong> Web sitelerine k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7erik enjekte etmek.<\/li>\n<\/ul>\n<h3>Sorunlar:<\/h3>\n<ul>\n<li><strong>Yayg\u0131n Etki:<\/strong> \u00c7ok say\u0131da cihaz\u0131 etkiler.<\/li>\n<li><strong>Karma\u015f\u0131k Azaltma:<\/strong> Hem istemci cihazlar\u0131nda hem de eri\u015fim noktalar\u0131nda g\u00fcncellemeler gerektirir.<\/li>\n<\/ul>\n<h3>\u00c7\u00f6z\u00fcmler:<\/h3>\n<ul>\n<li><strong>Yama:<\/strong> Cihazlar\u0131 ve y\u00f6nlendiricileri d\u00fczenli olarak g\u00fcncelleyin.<\/li>\n<li><strong>HTTPS&#039;yi kullanma:<\/strong> Hassas bilgiler i\u00e7in u\u00e7tan uca \u015fifreleme sa\u011flay\u0131n.<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Benzer Terimlerle Di\u011fer Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>KRACK Sald\u0131r\u0131s\u0131<\/th>\n<th>Di\u011fer Wi-Fi Sald\u0131r\u0131lar\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hedef<\/td>\n<td>WPA2<\/td>\n<td>WEP, WPA<\/td>\n<\/tr>\n<tr>\n<td>Y\u00f6ntem<\/td>\n<td>Tokala\u015fma<\/td>\n<td>\u015eifre K\u0131rma<\/td>\n<\/tr>\n<tr>\n<td>Darbe<\/td>\n<td>Evrensel<\/td>\n<td>Genellikle Cihaza \u00d6zel<\/td>\n<\/tr>\n<tr>\n<td>Azaltma<\/td>\n<td>Yamalama<\/td>\n<td>Protokolleri De\u011fi\u015ftirme<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>KRACK Sald\u0131r\u0131s\u0131na \u0130li\u015fkin Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<p>KRACK&#039;\u0131n ke\u015ffi, kablosuz g\u00fcvenlik standartlar\u0131nda ciddi tart\u0131\u015fmalara ve geli\u015fmelere yol a\u00e7t\u0131. 2018&#039;de tan\u0131t\u0131lan WPA3 protokol\u00fc, geli\u015fmi\u015f g\u00fcvenlik \u00f6nlemleri sunuyor ve KRACK&#039;in etkisini azalt\u0131yor.<\/p>\n<h2>Proxy Sunucular\u0131 Nas\u0131l Kullan\u0131labilir veya KRACK Sald\u0131r\u0131s\u0131yla \u0130li\u015fkilendirilebilir?<\/h2>\n<p>OneProxy taraf\u0131ndan sa\u011flananlar gibi proxy sunucular, KRACK sald\u0131r\u0131lar\u0131na kar\u015f\u0131 ek bir g\u00fcvenlik katman\u0131 sunabilir. Proxy sunucular, trafi\u011fi g\u00fcvenli ve \u015fifreli bir kanal \u00fczerinden y\u00f6nlendirerek, WPA2 protokol\u00fc tehlikeye girse bile verilerin ele ge\u00e7irilmesi riskinin azalt\u0131lmas\u0131na yard\u0131mc\u0131 olabilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.krackattacks.com\/\" target=\"_new\" rel=\"noopener nofollow\">Resmi KRACK Sald\u0131r\u0131 Web Sitesi<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/tr\/\" target=\"_new\" rel=\"noopener\">OneProxy&#039;nin G\u00fcvenli Proxy \u00c7\u00f6z\u00fcmleri<\/a><\/li>\n<li><a href=\"https:\/\/www.wi-fi.org\/discover-wi-fi\/security\" target=\"_new\" rel=\"noopener nofollow\">WPA3 G\u00fcvenli\u011finde Wi-Fi \u0130ttifak\u0131<\/a><\/li>\n<\/ul>\n<hr>\n<p><em>Not: KRACK ve di\u011fer g\u00fcvenlik a\u00e7\u0131klar\u0131na kar\u015f\u0131 koruma sa\u011flamak i\u00e7in daima profesyonel siber g\u00fcvenlik uzmanlar\u0131na dan\u0131\u015f\u0131n ve sistemlerinizi g\u00fcncel tutun.<\/em><\/p>","protected":false},"featured_media":477789,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477788","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>KRACK Attack: Understanding Key Reinstallation Attacks<\/mark>","faq_items":[{"question":"What is the KRACK Attack?","answer":"<p>The KRACK Attack, or Key Reinstallation Attack, is a vulnerability in the WPA2 protocol that secures many Wi-Fi networks. It allows an attacker within range to intercept information that was previously assumed to be securely encrypted.<\/p>"},{"question":"When was the KRACK Attack discovered?","answer":"<p>The KRACK Attack was discovered by Belgian researchers Mathy Vanhoef and Frank Piessens in 2016 and officially announced in October 2017.<\/p>"},{"question":"How does the KRACK Attack work?","answer":"<p>The KRACK Attack interferes with the four-way handshake between a device and a router that establishes a Wi-Fi connection. It forces the retransmission of message 3, causing the client to reinstall an already-used key, thus allowing the attacker to capture and manipulate data.<\/p>"},{"question":"What types of devices are affected by the KRACK Attack?","answer":"<p>Almost any device that uses the WPA2 protocol for secure Wi-Fi connections can be affected by the KRACK Attack. This includes smartphones, laptops, routers, and more.<\/p>"},{"question":"What are the key features of the KRACK Attack?","answer":"<p>The key features of the KRACK Attack include its universal applicability, the ability to manipulate encrypted traffic, and the fact that it does not require knowledge of the Wi-Fi password.<\/p>"},{"question":"How can one protect against the KRACK Attack?","answer":"<p>Protection against the KRACK Attack involves regularly updating devices and routers with security patches, using HTTPS for end-to-end encryption, and considering additional security measures such as proxy servers like OneProxy.<\/p>"},{"question":"What are the future perspectives related to KRACK Attack?","answer":"<p>The discovery of KRACK has led to developments in wireless security standards, such as the introduction of the WPA3 protocol in 2018, offering enhanced security measures that mitigate the impact of KRACK.<\/p>"},{"question":"How can proxy servers be associated with KRACK Attack?","answer":"<p>Proxy servers, like those provided by OneProxy, offer an additional layer of security against KRACK attacks by routing traffic through a secure and encrypted channel, thereby reducing the risk of data being intercepted.<\/p>"},{"question":"Are there different types of KRACK Attacks?","answer":"<p>Yes, there are different variants of KRACK Attacks, including key reinstallation attacks targeting clients, group key attacks targeting networks, and PeerKey attacks targeting peer devices within the same network.<\/p>"},{"question":"Where can I find more information about KRACK Attack?","answer":"<p>More information about the KRACK Attack can be found on the official KRACK Attack website, and for solutions on securing your connections, you can visit OneProxy's website.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/477788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/477788\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/477789"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=477788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}