"Microsoft provided the FBI with the recovery keys to unlock encrypted data on the hard drives of three laptops as part of a federal investigation, Forbes reported on Friday. Many modern Windows computers rely on full-disk encryption, called BitLocker, which is enabled by default. This type of technology should prevent anyone except the device owner from accessing the data if the computer is locked and powered off."
"Apart from the privacy risks of handing recovery keys to a company, Johns Hopkins professor and cryptography expert Matthew Green raised the potential scenario where malicious hackers compromise Microsoft's cloud infrastructure - something that has happened several times in recent years - and get access to these recovery keys. The hackers would still need physical access to the hard drives to use the stolen recovery keys"
Microsoft provided the FBI with BitLocker recovery keys that unlocked encrypted hard drives of three seized laptops. Many modern Windows computers enable BitLocker full-disk encryption by default. By default BitLocker recovery keys are uploaded to Microsoft's cloud, allowing Microsoft and authorities to retrieve keys and decrypt drives. The case involved suspects accused of Pandemic Unemployment Assistance fraud in Guam, and local outlets reported a warrant served to Microsoft months after seizure. Microsoft said it sometimes provides BitLocker recovery keys to authorities, receiving about 20 such requests per year. Experts warned that cloud breaches could expose recovery keys, though physical access to drives would still be required to use them.
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