The vulnerability, dubbed “KRACKs” (Key Reinstallation AttaCKs), is actually a group of multiple vulnerabilities that when successfully exploited, could allow attackers to intercept and steal data transmitted across a Wi-Fi network. Think of encryption as a secret code that can only be deciphered if you have the “key,” and a vital technology that helps keep digital data away from intruders and identity thieves. A WPA2 network provides unique encryption keys for each wireless client that connects to it. WPA2 is a type of encryption used to secure the vast majority of Wi-Fi networks. Security researchers 1 have discovered a major vulnerability in Wi-Fi Protected Access 2 (WPA2).
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