A researcher has published a new and relatively simple way that Windows BitLocker encryption keys can be sniffed in less secure configurations as they travel from Trusted Platform Modules (TPMs) during boot. BitLocker is the full volume encryption system that has been shipped with higher-end versions of Windows since Vista, which in the case of Windows 10 requires running or upgrading to Pro, Enterprise or Education versions on a computer with a TPM 1.2 or 2.0 chip.

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