# CISA-FBI-NSA-Treasury guide open-source software dependence in OT/ICS

Date: 2023

_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/cisa-oss-ot-ics-software-dependence-guidance-2023