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CISA has published the Rising Ransomware Threat to OT Assets fact sheet in response to the recent increase in ransomware attacks targeting operational technology (OT) assets and control systems. The guidance:

• provides steps to prepare for, mitigate against, and respond to attacks;
• details how the dependencies between an entity’s IT and OT systems can provide a path for attackers; and
• explains how to reduce the risk of severe business degradation if affected by ransomware.

CISA encourages critical infrastructure (CI) owners and operators to review the Rising Ransomware Threat to OT Assets fact sheet as well as CISA’s Ransomware webpage to help them in reducing their CI entity’s vulnerability to ransomware.