Critical

OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators

SecurityWeek

September 24, 2026 at 11:05 AM

Overview

The National Institute of Standards and Technology (NIST) has released a draft of its updated operational technology (OT) security guidance, now in its fourth revision, and is inviting public comments until November 30. This guide is crucial for organizations that rely on operational technology systems, which are often used in critical infrastructure sectors like energy and manufacturing. In addition, the Cybersecurity and Infrastructure Security Agency (CISA) and the FBI are advising on best practices for integrating industrial control systems (ICS). This collaboration aims to enhance security measures and protect these vital systems from potential cyber threats. The updates reflect the evolving landscape of cybersecurity risks and emphasize the need for organizations to adopt stronger security protocols.

Key Takeaways

Timeline: Newly disclosed

Original Article Summary

Revision 4 of NIST’s operational technology security guide is open for public comments until November 30. The post OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators appeared first on SecurityWeek.

Impact

Not specified

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Not specified

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Critical.

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