Key Reinstallation Attacks Breaking WPA2 by forcing nonce reuse Discovered by Mathy Vanhoef of imec-DistriNet, KU Leuven, 2017 Introduction We discovered serious weaknesses in WPA2, a protocol that secures all modern protected Wi-Fi networks. An attacker within range of a victim can exploit these weaknesses using key reinstallation attacks (KRACKs). Concretely, attackers can use this novel attack