You might think that logging out of your PC before leaving it unattended for a short time is relatively safe, but you’d be wrong. A security engineer at R5 Industries demonstrated how incredibly easy it is to swipe the login credentials of a locked Mac or Windows PC using just a $50 USB device that’s available to anyone and everyone online.

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Source: Hot Hardware – This Hak5 Turtle Can Steal Login Credentials From Unattended, Locked Macs And PCs