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.
3 outlets in our directory ran this story, first to last over 11 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | TechSpot |
| Canonical URL | https://www.techspot.com/news/112410-security-researcher-microsoft-secretly-built-backdoor-bitlocker-releases.html |
| Publication time | Sun, 17 May 2026 13:42:30 +0000 |
| Retrieval time | 2026-05-17T14:17:13.122Z |
| Last seen | 2026-05-17T14:17:14.097Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | VZcg1uR6FvvX · 3 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
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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Excerpt limited to ~120 words for fair-use compliance. The full article is at TechSpot.
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