NIST Revises OT Security Guide; CISA/FBI Warn on ICS Integrator Risks

NIST has released Revision 4 of its operational technology security guide for public comment, updating best practices for securing industrial control systems. Concurrently, CISA and the FBI issued guidance on risks associated with ICS integrators, highlighting supply-chain and third-party access concerns. The updates reflect evolving threats to critical infrastructure, but specific content changes remain under review.