NIST CSF 2.0 for OT/ICS is less about theory and more about what actually needs fixing
NIST CSF 2.0 is a pretty big update, not just a small refresh. It was released on February 26, 2024, and the main change is the new GOVERN function, which puts leadership, risk strategy, supply chain risk, roles, and oversight right at the center of the framework. It is meant to work across sectors, including OT and industrial environments, not just traditional IT.
What stands out most is the new GOVERN function. It pushes cybersecurity higher up the chain, so it is not treated like just an IT issue anymore. For OT and ICS teams, that matters because the real problems are often basic ones: missing asset visibility, weak vendor access, incomplete logs, poor recovery testing, and security work that never gets tracked to closure. It walks through how to assign owners, mark items as yes/no/partial, define a target profile, capture gaps, and track residual risk instead of guessing. It also covers the six CSF 2.0 functions, Govern, Identify, Protect, Detect, Respond, and Recover, with practical items like asset inventory, risk assessment, MFA, segmentation, monitoring, incident response, backups, vendor risk, and leadership reporting. It maps those items to references like NIST SP 800-53 Rev. 5, CIS Controls v8, ISO/IEC 27001:2022, and COBIT 2019. The full checklist also maps items to NIST subcategories and leaves room for status, ownership, and residual risk, which makes it easier to use in an actual review instead of just reading it once and forgetting it. I'll share the Checklist link in the comments for anyone who wants to dig deeper.