# Colonial Pipeline halts fuel flow after IT ransomware forces OT disconnect

Date: 2021

_No public text on this fact yet._

## Drivers

- Critical-Infrastructure Software Dependence: https://factrail.ai/drivers/critical-infrastructure-software-dependence

## Sources

_Sources are listed on the canonical page._

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/colonial-pipeline-it-ot-interdependence-halt-2021