CI Fortify – Advice for isolating vital systems https://www.cyber.gov.au/business-government/secure-design/operational-technology-environments/ci-fortify/ci-fortify-advice-for-isolating-vital-systems Australia’s CI Fortify guidance, developed with international partners, helps critical-infrastructure organizations isolate vital operational technology (OT) and supporting systems from other networks during cyber incidents or periods of heightened threat. The document provides practical and strategic advice for OT owners, operators, and security teams. Key recommended actions include reviewing the guidance, developing and testing isolation plans, and prioritizing investments that support system isolation and recovery.