All Breaches
Police Service of Northern Ireland (PSNI) Data Breach
On August 8, 2023, the Police Service of Northern Ireland (PSNI, psni.police.uk) inadvertently published a spreadsheet containing a hidden worksheet in response to a Freedom of Information (FOI) request.
9.5 Thousand
Affected People
4
Data Types
Low
Severity
Oct 27, 2026
Last updated
Exposed Data Types
4- Names
- Employers
- Job titles
- Physical addresses
About This Breach
Fined £750,000 by the UK Information Commissioner's Office (ICO) in October 2024, the disclosure exposed records of 9,483 serving police officers and civilian staff, including surnames, initials, ranks, roles, departments, and work locations.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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