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BitLocker

BitLocker is Windows' full-disk encryption feature protecting data on lost or stolen devices.

What is BitLocker?

BitLocker is a Windows feature that provides full-disk encryption to protect data by encrypting entire drives, requiring authentication before the operating system loads.

BitLocker features

AES encryption, TPM integration, Recovery key backup, Network unlock, Used space only encryption.

Common misconceptions

  • "BitLocker slows performance" — Minimal impact with modern hardware
  • "BitLocker is hard to manage" — Intune/SCCM simplify management
  • "Recovery key is optional" — Critical for data recovery