Researchers in Belgium have discovered a severe vulnerability in the protocol used by 60% of the world’s Wi-Fi devices. This means that your Wi-Fi device is no longer secure. This includes your router, phone, laptop, tablet, printer, Apple TV, and any other device that may be connected to your network using the WPA2 protocol.

You can read more about it in Severe Vulnerability in All Wi-Fi Devices, a blog article by the people who create Wordfence, my security plugin of choice for WordPress.

This is a big thing, and all vendors will be releasing patches over the next few days. It is imperative that you update your devices as soon as patches become available. You should prioritise fixes for devices that use public Wi-Fi first.

What can happen?

This weakness in WPA2 can allow attackers to crack encryption. This means they could steal that any information you send over Wi-Fi using the unpatched protocol. This includes all the usual kinds of sensitive data like credit card numbers, passwords and files. As well, they may be able to inject data such as malware into systems.

This is a very important incident, and you should treat this seriously. It’s in your interests to keep on top of this. The article gives a good summary. If you need more information, I’m happy to help.


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