2026 OT Threat Report Finds Physical-Impact Cyber Incidents Fell 25% in 2025

· Original Report (PDF) ↗

Original report publisher: not verified. Report discovered via Awesome Annual Security Reports.

Summary

Waterfall and ICS STRIVE recorded 57 cyber incidents with physical consequences in 2025, down from 76 in 2024. Nation-state and hacktivist incidents doubled, while limited public disclosures hindered analysis of operational impacts.

Key points

  • The report counts deliberate, publicly disclosed cyberattacks causing physical consequences in industrial operations, including IT breaches that disrupt production; its authors caution that the dataset undercounts actual activity.
  • Recorded incidents fell 25% to 57 in 2025. The authors link the decline primarily to an apparent plateau or reduction in ransomware activity, but caution against assuming it will persist.
  • Nation-state and hacktivist incidents doubled to 14; the report links five to Russia’s invasion of Ukraine.
  • Public disclosures lacked enough detail to determine how attacks impaired physical operations in 65% of cases, preventing meaningful analysis of those mechanisms for 2025.
  • Jaguar Land Rover’s UK factories stopped production for over a month following an apparent ransomware attack, while ransomware affecting Collins Aerospace’s vMUSE system caused airport disruption lasting up to 16 days.
  • A December 2025 attack attributed to Russian actors targeted more than 30 Polish wind and solar sites and damaged control equipment. Electricity and heat continued flowing, so the report excluded this near miss from its incident totals.
  • Recommendations include removing direct internet exposure from OT assets, strengthening IT/OT boundaries, planning for essential IT dependencies, and maintaining tested recovery or manual fallback procedures.

Article Details

Publisher
Waterfall Security Solutions and ICS STRIVE
Report Period
2025-01-01/2025-12-31
Scope
Publicly disclosed deliberate cyber attacks causing physical consequences in manufacturing, building automation, heavy industry, critical industrial infrastructure, and transportation, including attacks affecting only IT assets.
Sample Size
57 incidents meeting the research team's high-confidence inclusion criteria; a conservative underestimate of actual activity. The Polish distributed-generation near miss was excluded.
Key Statistics
  • Qualifying incidents declined by 25%, from 76 in 2024 to 57 in 2025.
  • Nation-state and hacktivist attacks doubled to 14 in 2025; five were clearly linked to Russia's invasion of Ukraine.
  • For 65% of public incident reports in 2025, insufficient detail was available to determine how the cyber attack impaired physical operations.
  • The 2025 incident dataset covered 21 nations.
  • Transportation accounted for 14 breaches (25%); Oil & Gas, Water & Wastewater, Electric Power, and Metals & Mining together accounted for another seven breaches (12%).
Recommendations
  • Immediately disconnect Internet-exposed control-system assets from the Internet.
  • Strengthen IT/OT boundaries using hardware-enforced protections and remote access where appropriate, and identify and address OT dependencies on IT systems and services.
  • Require evidence of rapid recovery capabilities or practiced manual fallback procedures for critical third-party, cloud-based, and highly distributed systems.
  • Address large-scale device-bricking risk by upgrading equipment that cannot be replaced like-for-like or deploying defenses strong enough to counter credible destructive attacks.
  • Adopt Cyber-Informed Engineering and the new multi-agency OT connectivity guidance, including engineering-grade controls, connectivity monitoring, and isolation planning.

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