# Dan Neidle

Type: Person

Source: Cyber Intelligence Brief — https://getcyberbrief.com/entity/dan-neidle
Canonical HTML page: https://getcyberbrief.com/entity/dan-neidle

## Timeline

- **2026-03-14**: Filing Guidance Issued — Official guidance released for companies missing deadlines due to the outage.
- **2026-03-13**: Vulnerability Discovered — Dan Neidle identifies a critical session management flaw in the WebFiling dashboard.
- **2026-03-13**: Companies House Alerted — Tax Policy Associates notifies the UK corporate register of the security risk.
- **2026-03-13**: Service Suspension — Companies House takes the WebFiling service offline for investigation and patching.

## Recent coverage (1 stories)

### Companies House Suspends WebFiling After Critical Data Exposure Glitch
2026-03-14 00:24:29 · Sentiment: Negative · Impact: 7/10 · Sources: 2

Companies House has taken its WebFiling service offline following the discovery of a severe vulnerability that allowed users to view and edit the personal data of other businesses. The flaw, which exposed directors' home addresses and dates of birth, was triggered by a simple browser navigation action, raising significant concerns over corporate identity theft and fraud.
Full story: https://getcyberbrief.com/story/companies-house-webfiling-suspension-data-glitch

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