This one requires end-user device updates. 4 Changing your password won’t fix this, nor will rebooting your router-whether it’s at home or in the data center. Google says the company is “aware of the issue, and we will be patching any affected devices in the coming weeks. Attackers might be able to inject ransomware or malware into websites thanks to the attack, and Android devices will require security patches to protect against this. The Verge article ominously reports “41 percent of Android devices are vulnerable to an ‘exceptionally devastating’ variant of the Wi-Fi attack that involves manipulating traffic. 3 I’ll sum up by saying it’s a flaw in the WPA2 protocol itself that tricks devices into reinstalling keys that can then be used by the attacker to decrypt everything in flight. You can read the details of this one on a variety of sites including Arstechnica, 1 Verge, 2 and, as befitting the seriousness of this one, its own website. KRACK stands for Key Reinstallation Attack. This week dawned with a spate of twitchy fingers telling us about the latest monster to emerge from the closets: KRACK.
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