Security researcher says Microsoft built a Bitlocker backdoor, releases exploit
TechSpot means tech analysis and advice you can trust. The Epitome of WTF: A researcher known as "Nightmare-Eclipse" recently released YellowKey, a security vulnerability that allegedly enables a full bypass of BitLocker's full-volume encryption. The researcher described YellowKey as one of the most "insane" flaws they have ever encountered and has also accused Microsoft of potentially embedding a legitimate backdoor in BitLocker's data protection system.
- ▪TechSpot means tech analysis and advice you can trust.
- ▪The Epitome of WTF: A researcher known as "Nightmare-Eclipse" recently released YellowKey, a security vulnerability that allegedly enables a full bypass of BitLocker's full-volume encryption.
- ▪The researcher described YellowKey as one of the most "insane" flaws they have ever encountered and has also accused Microsoft of potentially embedding a legitimate backdoor in BitLocker's data protection system.
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Security Microsoft encryption backdoor A security researcher says Microsoft secretly built a backdoor into BitLocker, releases an exploit to prove it YellowKey exploit bypasses BitLocker full volume encryption via USB stick and WinRE By Alfonso Maruccia May 14, 2026, 12:45 33 comments Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust. The Epitome of WTF: A researcher known as "Nightmare-Eclipse" recently released YellowKey, a security vulnerability that allegedly enables a full bypass of BitLocker's full-volume encryption. The researcher described YellowKey as one of the most "insane" flaws they have ever encountered and has also accused Microsoft of potentially embedding a legitimate backdoor in BitLocker's data protection system.
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