NIST SP 800-82 Rev. 3 Guide to Operational Technology (OT) Security

NIST Special Publication 800-82 Revision 3, titled “Guide to Operational Technology (OT) Security,” provides comprehensive guidance on securing operational technology systems, which include a wide range of programmable devices and systems that interact with the physical environment, such as industrial control systems (ICS), building automation, transportation, and physical access control systems. This revision expands the scope from traditional ICS to all OT, reflecting the growing integration of cyber-physical systems and the increased exposure of connected devices across various sectors. The document offers an overview of OT architectures, identifies typical threats and vulnerabilities, and recommends safeguards and countermeasures to manage associated risks. Key updates in Revision 3 include enhanced risk management frameworks, alignment with the NIST Cybersecurity Framework, guidance on incident response and supply chain security, and tailored security control baselines for OT systems of varying impact levels. The publication is designed to help organizations improve the security, reliability, and safety of their OT environments while addressing evolving threats and regulatory requirements.

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Issuer: NIST
Country: USA
Scope: Cyber
Typology: Standard
Publication's date: September 28, 2023
Category: Infrastructure
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