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Microsoft Confirms It Supplied BitLocker Keys to FBI in Guam Investigation

Default cloud backup of recovery keys gives authorities a practical path into encrypted drives.

Overview

  • Forbes reported, and TechCrunch corroborated, that Microsoft provided BitLocker recovery keys to unlock three laptops in a Guam fraud probe tied to Pandemic Unemployment Assistance.
  • A Microsoft spokesperson said the company provides recovery keys when it has access and receives a valid legal order, noting it gets about 20 such requests per year.
  • By default, BitLocker stores recovery keys in a user's Microsoft account, enabling lawful access, though users can choose local-only options like a USB drive or printed key.
  • Court records and a defense lawyer indicate the warrant was executed successfully and that case materials referenced BitLocker keys supplied by Microsoft.
  • Experts and lawmakers warned that vendor-held keys can expose entire drives, create risks from foreign demands or cloud breaches, and reflect law enforcement’s inability to break BitLocker without a key.