Incident BriefingsAccenture security incident

Accenture security incident

LockBit. 6TB data claimed stolen, $50M demand.

Last modified

Summary

  • Environment: IT/Consulting
  • Operational impact: 6TB data claimed stolen, $50M demand
  • 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 2021, Accenture experienced an incident in its it/consulting environment. The retained source describes the attack path as follows: LockBit. [1]

The documented consequence was: 6TB data claimed stolen, $50M demand. [1]

Impact

  • Documented impact: 6TB data claimed stolen, $50M demand. [1]
  • No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

Timeline

  1. Documented public update

    The Accenture confirms hack after LockBit ransomware data leak threats 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: LockBit. The canonical record does not add intrusion steps beyond those supported by the source. [1]

Actors

  • LockBit — 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 Accenture confirms hack after LockBit ransomware data leak threats. Details absent from that evidence are left unresolved rather than inferred. [1]