
Monday morning was not a great time to be an IT admin, with the public release of a bug which allowed WPA2 security to be broken.
As reported previously by ZDNet, the bug, dubbed "KRACK" -- which stands for Key Reinstallation Attack -- is at heart a fundamental flaw in the way Wi-Fi Protected Access II (WPA2) operates.
The security protocol, an upgrade from WPA, is used to protect and secure communications between everything from our routers, mobile devices, and Internet of Things (IoT) devices, but there is an issue in the system's four-way handshake which permits devices with a pre-shared password to join a network.
According to security researcher Mathy Vanhoef, who discovered the flaw, threat actors can leverage the vulnerability...