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From the Graham Cluley blog

Boffins at the University of Glasgow, in Scotland, have developed a system which they claim demonstrates a new type of cybersecurity threat: a “thermal attack.”

According to the researchers, the falling price of heat-detecting thermal imaging cameras and advances in machine learning have made it more feasible to guess what passwords a target may have entered on a keyboard, up to a minute after typing them.

Read more in my article on the Hot for Security blog.