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Eurofiber France Confirms Data Breach Following Cyberattack

Eurofiber France Confirms Data Breach Following Cyberattack

First seen 2 Dec 2025, 18:33 UTC • •

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

Eurofiber France reported a data breach after hackers accessed its ticket management system on November 13, 2025, exploiting a software vulnerability. The breach affected the company's internal systems and involved the exfiltration of customer data. Eurofiber has since secured its systems and implemented additional protective measures.

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