Ransomware & OT intrusion top the EU cyber threat board

factConfidence: corroborated 2026-06-02

What happened

ENISA's 2025 Threat Landscape ranks ransomware and OT/ICS attacks among the top EU threats.

Why it matters

Energy, water and transport are exposed; state-aligned and criminal actors increasingly blur.

The EU angle

EU critical-infrastructure resilience is uneven across member states — a shared vulnerability.

Sources

This is open-source analysis from Strategic Europe. Get the weekly brief → · EU & NATO resource hub →