TopicCybersecurity →
Simple definition
BitLocker protects files from lost or stolen computers by encrypting their disk.
Technical definition
It encrypts volumes and can rely on a chip TPM, a PIN code, USB flash drive or recovery key. Protection must be saved and managed before any intervention on hardware or BIOS.
What is it used for ?
Protect data on the back of laptops and professional positions.
Practical example
Even if the disc is removed from the PC, its contents remain unreadable without the decryption key.
Common issues
- Recovery key not found
- Change of BIOS triggering a key request
- Suspended encryption
- TPM deactivated or re-activated
Related terms
Encryption · MFA · Active Directory (AD) · Intune · Backup
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.