A ransomware hit lands a chemical plant in a safe state. Nobody is hurt, the site holds steady, and the operators begin the restart. The systems stay down. Every attempt to bring them online meets encrypted processes and altered configurations. The outage runs into weeks, and the losses travel down the supply chain in both directions. Refineries, chemical plants and pipeline operators carry this exposure across control systems that run 20 to 40 years. Marco … More →
Read the original article: