Our takeCISA and ACSC issued joint guidance on isolating vital OT systems during cyberattacks. Critical infrastructure operators should review the steps and test their segmentation plans.Cyber Resilience desk
Sources (2)
- cisa_advisories · cisa_advisories
- bleeping · bleeping
What this means for you — Security leader:Review the CISA/ACSC CI Fortify guidance and map which OT and other vital systems you can isolate under attack; test the procedures and failover paths before you need them.
What this means for you — Lean IT orgs:If you do not run operational technology or critical infrastructure, this guidance does not apply directly—ask your power, water, or logistics providers how they isolate systems during a major cyber incident.
What this means for you — MSP:Flag clients that run OT or other vital operational systems, share the isolation guidance, and help them document segmentable assets and safe failover steps across those estates.
What this means for you — Researcher:Joint CISA, ACSC, and FBI guidance on isolating vital CI systems—useful primary source for OT segmentation and incident-response isolation playbooks.