Bitskrieg: Microsoft Backdoor Controversy

A security researcher claims Microsoft built a secret backdoor in BitLocker, releasing an exploit to expose it, while a prominent hacker announces a targeted campaign against the company.

May 2026

May 17, 2026

Researcher releases YellowKey exploit for BitLocker encryption

A security researcher named "Nightmare-Eclipse" released an exploit called YellowKey. This vulnerability allegedly enables a full bypass of BitLocker's full-volume encryption.

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May 17, 2026

Security researcher alleges backdoor in Microsoft BitLocker

A security researcher publicly stated that Microsoft secretly built a backdoor into BitLocker. This allegation was accompanied by the release of an exploit intended to prove the existence of the backdoor.

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May 17, 2026

Security researcher releases exploit claiming Microsoft backdoor in BitLocker

A security researcher posted a link and claims to have released an exploit proving a backdoor exists in Microsoft's BitLocker. The controversy centers on potential government access to encrypted data.

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May 18, 2026

Security researcher releases exploit against BitLocker

A security researcher allegedly released an exploit demonstrating a backdoor in Microsoft's BitLocker feature. This follows discussions regarding the security mechanisms of the technology.

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May 30, 2026

Nightmare Eclipse announces 'Bitskrieg' against Microsoft

Security researcher Nightmare Eclipse announced plans for 'Bitskrieg' concerning Microsoft. The disclosures relate to breaking secure boot trust affecting BitLocker. This announcement was made on the date of the post.

May 30, 2026

Nightmare Eclipse mentions scheduling for July 14

The security researcher mentioned previous disclosures affecting secure boot trust and advised users to mark July 14. No further details about this date were provided in the context.