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Eurofiber France Data Breach via Ticket Management System Exploit

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1 unique sources, 1 articles

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Eurofiber France disclosed a data breach after hackers exploited a vulnerability in its ticket management system, exfiltrating customer data. The breach impacted the French division, including its cloud division (ATE portal) and regional sub-brands. The company patched the vulnerability and implemented additional security measures. A threat actor, 'ByteToBreach,' claimed responsibility, alleging the theft of data from 10,000 businesses and government entities. Eurofiber France notified the French data protection agency (CNIL) and the country's cybersecurity agency (ANSSI), and filed an extortion report.

Timeline

  1. 17.11.2025 23:14 1 articles · 23h ago

    Eurofiber France Data Breach via Ticket Management System Exploit

    Eurofiber France disclosed a data breach after hackers exploited a vulnerability in its ticket management system, exfiltrating customer data. The breach impacted the French division, including the ATE portal and regional sub-brands. The company patched the vulnerability and implemented additional security measures. A threat actor, 'ByteToBreach,' claimed responsibility, alleging the theft of data from 10,000 businesses and government entities. Eurofiber France notified CNIL and ANSSI and filed an extortion report.

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