British Airways / BBC / Boots (via Zellis payroll) security incident

MOVEit/Cl0p. UK payroll processor Zellis breach exposed employee data across multiple large UK employers.

Last modified

Summary

  • Environment: Aviation, Media, Retail (UK)
  • Operational impact: UK payroll processor Zellis breach exposed employee data across multiple large UK employers
  • Financial impact: No financial figure is established by the reviewed source evidence
  • Record status: Developing record. Reviewed September 19, 2026; updated as evidence emerges.

What happened

In 2023, British Airways experienced an incident in its aviation, media, retail (uk) environment. The retained source describes the attack path as follows: MOVEit/Cl0p. [1]

The documented consequence was: UK payroll processor Zellis breach exposed employee data across multiple large UK employers. [1]

Impact

  • Documented impact: UK payroll processor Zellis breach exposed employee data across multiple large UK employers. [1]
  • No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

Timeline

  1. Documented public update

    The BBC, British Airways and Boots caught up in MOVEit cyber incident records the incident facts used in this briefing.

    [1]
  2. Briefing updated

    This briefing was last reviewed and updated on September 19, 2026.

Threat Group & Attack Vector

The retained source describes the attack path as follows: MOVEit/Cl0p. The canonical record does not add intrusion steps beyond those supported by the source. [1]

Actors

  • Cl0p — identified in the supported attack description. [1]

TTPs

  • No specific MITRE ATT&CK technique is currently mapped for this case.

Response

The reviewed source does not describe containment, notification, or restoration steps in enough detail to summarize them responsibly.

This account is bounded to BBC, British Airways and Boots caught up in MOVEit cyber incident. Details absent from that evidence are left unresolved rather than inferred. [1]