Eurofiber
What was exposed
Email addressesNamesPhone numbers
What to do if you were affected
- Expect more phishing and spam at this address. Treat messages that reference this company with extra caution.
- Watch for text-message phishing and SIM-swap attempts on your phone number.
- Be wary of targeted scams that use your personal details to sound convincing.
Details
In November 2025, Eurofiber France disclosed a data breach of its ticket management platform . Data containing 10k unique email addresses and a smaller number of names and phone numbers was subsequently leaked. A threat actor claiming responsibility for the breach alleges to have additional, more sensitive data including screenshots, VPN configuration files, credentials, source code, certificates, archives, and SQL backup files.
Frequently asked questions
What is the Eurofiber data breach?
In November 2025, Eurofiber France disclosed a data breach of its ticket management platform . Data containing 10k unique email addresses and a smaller number of names and phone numbers was subsequently leaked. A threat actor claiming responsibility for the...
When did the data breach happen?
This data breach occurred around November 2025.
How many accounts were affected?
Around 10,003 accounts were affected.
What information was exposed?
Exposed data included Email addresses, Names and Phone numbers.
What should I do if I was affected?
Expect more phishing and spam at this address. Treat messages that reference this company with extra caution. Watch for text-message phishing and SIM-swap attempts on your phone number. Be wary of targeted scams that use your personal details to sound convincing.
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