The US Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have published a new Cybersecurity Advisory (CSA) for protecting operational technology (OT) and industrial control systems (ICS). The CSA outlines the Tactics, Techniques and Procedures (TTPs) malicious actors use to compromise OT/ICS assets and recommends security mitigations that owners and operators should implement to defend systems. The new advisory builds on previous NSA/CISA guidance on stopping malicious ICS activity and reducing OT exposure, and comes as the cybersecurity risks surrounding OT and ICS continue to threaten to safety of data and critical systems.

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