Ransomware

Colonial Pipeline ransomware attack

First reported 2024-06-03 · Last reported 2026-10-23 · 4 related reports

Colonial Pipeline was hit by a ransomware attack. Analyses followed on the attack's economic impact, the damage and recovery, operational technology security and the response to ransomware. The specific date, the scale of the damage and the response taken have not been confirmed.

Key facts

Affected organization: Colonial Pipeline
Incident type: Ransomware
Occurred / detected: Not confirmed
Scale of damage: Not confirmed
Cause / method: Ransomware attack
Location: United States

Timeline

2024-06-03Operational technology security lessons were drawn from the Colonial Pipeline ransomware attack.
2025-11-21Analysis of the attack's impact, its victims and recovery was published.
2026-09-03Analysis of the attack's economic impact was published.
2026-10-23Analysis of the attack's effect on the ransomware landscape was published.

4 related reports

Colonial pipeline ransomware attack: Lessons for India on OT securityET Government · 2024-06-03
Colonial Pipeline Ransomware Attack: Impact, Victims, RecoveryHuntress · 2025-11-21
Colonial Pipeline cyberattack reveals economic impact of ransomwareBarracuda Networks Blog · 2026-09-03
The Colonial Pipeline attack that revolutionised ransomware landscapeBCS, The Chartered Institute for IT · 2026-10-23

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.