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NCSC CEO: Hostile states linked to three-quarters of cyber attacks affecting UK's critical systems
June 17, 2026 · NCSC UK · Severity: CRITICAL
Dr Richard Horne highlighted the scale of cyber threats against the UK’s critical infrastructure at RUSI’s Annual Security Lecture.
Key Takeaways
- NCSC CEO reports that hostile states are linked to three-quarters of cyber attacks affecting UK critical national infrastructure.
- UK organizations face persistent state-sponsored cyber threats targeting critical systems including energy, transport, and telecommunications.
- Organizations should strengthen their cyber defenses against sophisticated state-backed threat actors targeting critical infrastructure.