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You see this notification on the Trend Micro Home Network Security app:

Key Reinstallation AttaCK (KRACK) - WPA2 Vulnerability

Why did this happen?

Your WiFi connection is vulnerable to a Key Reinstallation AttaCK (KRACK).

What is Key Reinstallation AttaCK?

A Key Reinstallation AttaCK (KRACK) vulnerability allows attackers within range of vulnerable Wi-Fi enabled devices or access points to intercept passwords, messages, and other data.

What are its risks?

Attackers could steal information such as account credentials, messages, and confidential information.

What should I do next?

  • Update Wi-Fi-enabled devices, routers, or the firmware of other hardware whenever possible. Alternatively, switch to Ethernet/wired connections until the vulnerabilities are patched.
  • Use a Virtual Private Network, especially when remotely accessing corporate assets.
  • Configure the service set identifier (SSID) in a way to lower the chance that strangers can discover the Wi-Fi connection/network.
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