Réunion — Cyber Threat Profile

Réunion, a French overseas department, falls under France's national cybersecurity framework. On January 29, 2026, France published its National Cybersecurity Strategy 2026-2030, spanning five pillars from talent to resilience and control of digital security foundations, with the stated ambition of making France a first-rank cyber power. The 2025 National Strategic Review said particular attention would go to overseas territories owing to their strategic dimension. Locally, CSIRT La Réunion, coordinated by Cyber Réunion and backed by ANSSI via France Relance funding, assists SMEs, mid-sized firms, local authorities and associations hit by incidents. Regional security association CLUSIR ROI reported 2025 attacks on the island including weeks-long ransomware disruptions, business email compromise, data leaks and critical-system intrusions.

Threat actors targeting Réunion

Most targeted sectors

Recent claimed incidents

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