Attacks on industrial infrastructure such as BlackEnergy, Crash Override and Triton/Trisis have brought greater awareness of OT asset cyber vulnerabilities and risks. Obtaining an accurate and detailed OT asset inventory is a foundational first step for industrial organizations striving to improve their cybersecurity and reduce risk. A comprehensive, accurate, in-depth OT asset inventory is a core requirement for OT cyber vulnerability and risk management. It is also a prerequisite for establishing security baselines, managing change, automating closed-loop patch management, meeting internal and external compliance requirements, investigating incidents and understanding potential attack vectors. However, the definition of a “good” OT asset inventory is not universally defined.

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