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Bitlocker (Microsoft)

BitLocker is a full-disk encryption feature that comes with Microsoft Windows operating systems. The software encrypts entire hard drives to protect data on Windows PCs and removable storage devices like USB drives. It uses the AES encryption algorithm in several modes (XTS or CBC) with a 128-bit or 256-bit key, which can be further secured by using an additional PIN code during startup. BitLocker's integration with Active Directory allows for the management and enforcement of device policies across organizations from a central location. In addition, it supports Trusted Platform Module (TPM), allowing devices to automatically unlock based on hardware authentication mechanisms. By preventing unauthorized access to sensitive information in case of loss or theft, BitLocker provides an important layer of security for both individual users and enterprise-level operations using Windows computers.

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