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Eurofiber France Data Breach Exposes Sensitive Corporate Data

Eurofiber France Data Breach Exposes Sensitive Corporate Data

First seen 18 Nov 2025, 17:14 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Eurofiber France has confirmed a significant data breach linked to a ransomware group, which has reportedly exposed sensitive corporate data now circulating on the darknet. The company is collaborating with cybersecurity specialists to analyze the incident and enhance security measures for affected major customers.

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