News roundup: Why this week was bad Krack for Wi-Fi

A roundup of the week’s technology news including Greenpeace, AlphaGo Zero, and tech treehouses.


Wi-Fi security suffers from some bad Krack

Another week, another massive vulnerability found. This week it seems Wi-Fi security is officially broken.

Researchers from the University of Leuven found a number of vulnerabilities which affect Wi-Fi Protected Access (WPA) and Wi-Fi Protected Access 2 (WPA2), two security protocols which are used in billions of devices. Dubbed Krack (Key Reinstallation Attack) by its discoverer Mathy Vanhoef of Belgian university KU Leuven, the attack manipulates cryptographic handshakes and allows information sent over Wi-Fi to be easily intercepted, including credit card numbers, passwords, chat messages, emails, photos, and more. Packets can also be forged and injected.

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Dan Swinhoe

Dan is Senior Staff Writer at IDG Connect. Writes about all manner of tech from driverless cars, AI, and Green IT to Cloudy stuff, security, and IoT. Dislikes autoplay ads/videos and garbage written about 'milliennials'.  

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