Colonial Pipeline halts fuel flow after IT ransomware forces OT disconnect
Dated 7 May 2021: Colonial Pipeline halts fuel flow after IT ransomware forces OT disconnect. In the causal graph this event strengthens the driver Critical-Infrastructure Software Dependence.
Who was responsible
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No public contributors are listed for this fact.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactColonial Pipeline halts fuel flow after IT ransomware forces OT disconnect
- strengthensDriverCritical-Infrastructure Software Dependence
provisional weight · verified
Causal path
How this event connects to drivers and indicators in the graph.
- FactColonial Pipeline halts fuel flow after IT ransomware forces OT disconnect
- strengthensDriverCritical-Infrastructure Software Dependence
Cite this page
Factrail. (2026). Colonial Pipeline halts fuel flow after IT ransomware forces OT disconnect. Factrail. https://factrail.ai/facts/colonial-pipeline-it-ot-interdependence-halt-2021
https://factrail.ai/facts/colonial-pipeline-it-ot-interdependence-halt-2021
Accessed 15 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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