Ransomware in ICS Environments

Although ransomware impacting industrial control systems (ICS) is often IT-focused, ransomware can have disruptive impacts on operational technology (OT) as well.

Dragos and IBM assessed 194 confirmed ransomware attacks against ICS and supporting entities, summarized the findings, and provided 9 recommendations in this report, including:

• Ransomware attacks on industrial entities increased more than 500% since 2018  
• Manufacturing and utilities are the top industries targeted
• Attackers are increasingly incorporating data theft and extortion as techniques, potentially posing even greater impact  
• Conduct architecture reviews to identify all assets, connections, and communications between IT and OT networks

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