ICS/OT

NIST Publishes Final Version of 800-82r3 OT Security Guide

NIST has published the final version of the SP 800-82 Revision 3 guide to operational technology (OT) security.

NIST

NIST announced on Thursday that it has published the final version of its latest guide to operational technology (OT) security. 

NIST published the first draft of Special Publication (SP) 800-82r3 (Revision 3) in April 2021, with a second draft being released one year later. Now, Revision 3 of the OT security guide has been finalized.

The 316-page document provides guidance on improving the security of OT systems while addressing their unique safety, reliability and performance requirements. 

“SP 800-82r3 provides an overview of OT and typical system topologies, identifies typical threats to organizational mission and business functions supported by OT, describes typical vulnerabilities in OT, and provides recommended security safeguards and countermeasures to manage the associated risks,” NIST explained.

The guidance focuses on OT cybersecurity program development, risk management, cybersecurity architecture, and applying the NIST Cybersecurity Framework (CSF) to OT. 

The latest revision’s updates include expansion in scope from industrial control systems (ICS) to OT in general, as well as updates to OT threats, vulnerabilities, risk management, recommended practices, current security activities, and tools and capabilities. 

Advertisement. Scroll to continue reading.

The document also aligns with other OT security guides and standards, and provides tailored security control baselines for low-, moderate- and high-impact OT systems.

SP 800-82 Revision 3 is available for download in PDF format for free from NIST’s website. 

Learn More at SecurityWeek’s ICS Cyber Security Conference
The leading global conference series for Operations, Control Systems and OT/IT Security professionals to connect on SCADA, DCS PLC and field controller cybersecurity.

October 23-26, 2023 | Atlanta
www.icscybersecurityconference.com

Related: NIST Releases ICS Cybersecurity Guidance for Manufacturers

Related: DHS Develops Baseline Cybersecurity Goals for Critical Infrastructure

Related: US Agencies Told to Assess IoT/OT Security Risks to Boost Critical Infrastructure Protection

Related: Security Team Huddle: Using the Full NIST Cybersecurity Framework for the Win

Related Content

ICS/OT

CISA has added the remote code execution flaw CVE-2026-12569 to its Known Exploited Vulnerabilities catalog.

ICS/OT

Mandiant has helped the California water utility investigate the cyberattack launched by Iranian hacker group Handala.

ICS/OT

The exploited flaw, CVE-2025-67038, is one of the vulnerabilities disclosed in April as part of the BRIDGE:BREAK research project.

ICS/OT

The 2026 Industrial Control Systems (ICS) Cybersecurity Conference takes place October 6-8, 2026, at the W Nashville.

IoT Security

The guidance aims to establish product cybersecurity requirements for IoT devices integrated into federal agencies’ networks.

Artificial Intelligence

Named EmberAI, the new capability is built on Dragos’ massive operational technology cybersecurity dataset.

Funding/M&A

The deal values industrial cybersecurity giant Dragos at $3.25 billion, and runZero and NetRise will operate under Dragos.

ICS/OT

The industrial automation giant has fixed security holes in Logix, CompactLogix, Flex, RSLinx, and FactoryTalk products.

Copyright © 2026 SecurityWeek ®, a Wired Business Media Publication. All Rights Reserved.

Exit mobile version