Businesses urged to check Companies House after major data glitch

TechnologyBusiness & Finance
18 Mar 2026 • 2:07 AM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

image is not available

  • A major data glitch at Companies House may have exposed the private details of millions of UK business directors for the past five months.
  • The bug allowed users to view or edit company information by repeatedly pressing the back key on their web browser.
  • Experts warn the vulnerability could facilitate data theft, impersonation of CEOs, and fraud, though passwords and identity verification documents were not compromised.
  • Businesses are advised to check their Companies House dashboard for any unauthorised changes, take screenshots of discrepancies, and contact the agency directly.
  • Companies House has reported the incident to the Information Commissioner’s Office and the National Cyber Security Centre, pledging firm action against anyone found to have misused the vulnerability.

IN FULL