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Cybersecurity matters. As I type, the world is in the grip of another major ransomware attack. This one has been dubbed NotPetya — because it’s not the one called Petya, but it is similar. As usual, it targets Windows machines. A potential vaccine has been found in the past hour (3:19 pm PST, about 11:19 pm BST). So, this is just a very quick post to help publicise that ASAP.

The vaccine, courtesy of the excellent security site BleepingComputer, is to create a read-only file in your C:\Windows directory. That’s easier said than done, as Windows (quite rightly) protects that folder. So, the following batch file should do it for you:

https://download.bleepingcomputer.com/bats/nopetyavac.bat

…and if not, this post in BleepingComputer explains how to do it manually. Huge thanks also to WordFence for highlighting this in their excellent post here.

Update 28th March 2018: The threat of ransomware isn’t always in the news, but it hasn’t gone away. If it concerns you — and it should — then check out another great post from PixelPrivacy for more ways to protect yourself from ransomware.