Many of us deal with personal and sensitive data these days. Best practice in computing circles is to make use of “encryption at rest”: ensuring data remains secure by encrypting it on a device (whether it’s a laptop, mobile phone or USB key). Some researchers at Radboud University in the Netherlands have discovered that widely used data storage devices with self-encrypting drives don’t do the job very well. Worse, they weaken the security of the popular Bitlocker solution.

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