This year started off with a bang, with critical infrastructure attacks — both physical and cyber — at an all-time high. The Cybersecurity and Infrastructure Security Agency (CISA) released 12 industrial control system (ICS) advisories warning of critical security flaws, while the hacker group GhostSec, aka Anonymous Operations, claimed to have used ransomware in encrypting an industrial remote terminal unit of the type relied on by critical infrastructure.

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