Written Question·Department for Business and Trade·UIN 121097

Companies House: Cybersecurity

Tabled: 16 March 2026
Answered: 19 March 2026
Named Day

Question

Andrew Griffith

ConservativeArundel and South Downs

To ask the Secretary of State for Business and Trade, with reference to the Companies House news story titled Update on Companies House WebFiling security issue, published on 16 March 2026, on what date the security flaw allowing unauthorised access to co

Answer

Blair McDougall
Companies House has investigated the technical issue and confirmed that it was introduced on 11 October 2025 as part of a major WebFiling service update. It was not the result of any malicious attempt to breach its systems from outside or a cyber-attack. ...

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