By tricking a device into reinstalling an already-in-use key, an attacker can gain access to sensitive data or even take over the device. What is a Key Reinstallation Attack?Ī key reinstallation attack (KRA) is a type of attack on a wireless network that takes advantage of vulnerabilities in the way some devices handle encryption keys.
Finally, you can disable Wi-Fi entirely and use a wired connection instead. Another is to use a VPN (Virtual Private Network) to encrypt your traffic. One is to ensure that all devices on your network are updated with the latest security patches. There are several ways to mitigate the KRACK attack.
The attacker can use this flaw to trick a victim’s device into reinstalling an all-zero encryption key, effectively allowing the attacker to decrypt and view all of the victim’s traffic. The KRACK attack works by taking advantage of a flaw in the WPA2 protocol, which is used to secure most modern Wi-Fi networks.
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