Post Office — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
December 3, 2025
Last Seen
December 4, 2025

The Post Office is the UK’s government-owned postal and retail network operator.

Overview

The Post Office is the UK’s government-owned postal and retail network operator. It has recently faced data protection incidents, including a postmaster data breach and a botched website upgrade that exposed personal data, drawing regulatory scrutiny from the ICO, with headlines indicating the organization avoided or escaped a £1m fine.

Related Threat Clusters

Recent Intelligence Reports

  • Post Office Escapes £1m Fine After Postmaster Data Breach — Infosecurity-Magazine · December 4, 2025
  • ICO reprimands Post Office for data breach — Ukauthority · December 4, 2025
  • Post Office avoids £1m fine over botched website upgrade data breach — Computerweekly · December 3, 2025

CVSS v3.1 Breakdown