Post Office security incident history
Hacking, data breaches and other security incidents involving Post Office, with related coverage.
Incidents: 2 · Most recent
UK Post Office leaks data of Horizon scandal victims
Impact: Personal information of Horizon IT scandal victims
The UK Post Office leaked the personal information of victims of the Horizon IT scandal. The UK Information Commissioner's Office (ICO) judged the breach to have been entirely preventable and issued the Post Office a reprimand.
Read on ICO ↗UK Post Office leaks names of branch operators
Impact: Branch operators' names leaked; hundreds eligible for compensation
The UK Post Office mistakenly leaked the names of its branch operators. Compensation was subsequently planned for hundreds of affected people.
Related reports: 3 · last report →