# Tesco

Type: Company (TSCO)

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/tesco
Canonical HTML page: https://getlegalbrief.com/entity/tesco

## Timeline

- **2026-03-13**: Vulnerability Reported — Dan Neidle of Tax Policy Associates alerts Companies House to the 'back key' security flaw.
- **2026-03-13**: Service Suspension — Companies House takes the WebFiling service offline on Friday evening to investigate the issue.
- **2026-03-13**: Guidance Issued — Official guidance released advising users on how to handle missed filing deadlines due to the outage.

## Recent coverage (1 stories)

### Companies House Suspends WebFiling After Critical Data Vulnerability Exposed
2026-03-14 00:22:09 · Sentiment: Negative · Impact: 7/10 · Sources: 2

The UK’s Companies House has taken its WebFiling service offline following the discovery of a critical security flaw that allowed users to view and edit sensitive personal data of company directors. The vulnerability, which could be exploited simply by using a browser's back button, has raised significant concerns regarding corporate identity theft and the integrity of the UK's business register.
Full story: https://getlegalbrief.com/story/companies-house-webfiling-data-vulnerability-suspension

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This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getlegalbrief.com/guides/methodology for the full editorial methodology.