NIST SP 800-82 Guide to Operational Technology (OT) Security

This document is a NIST special publication that gives guidance on securing operational technology (OT) while addressing performance, reliability, and safety requirements. It defines OT as programmable systems and devices that interact with the physical environment, including industrial control systems, building automation, transportation, physical access control, and environmental monitoring and measurement systems. It covers OT overview and typical system topologies, identifies common threats and vulnerabilities, and provides recommended security countermeasures.

Source checked4/4 values · 2026-10-25

Specification

1 source

Body	NIST
Reference	SP 800-82
Edition year	2023
Status	published

Study notes

Supersedes SP 800-82 Rev. 2, published 06/03/2015.
An initial public draft of Revision 4 was announced, with public comments due November 30, 2026.
Keywords include distributed control systems (DCS), industrial control systems (ICS), programmable logic controllers (PLC), SCADA systems, risk management, and security controls.