What was exposed, when it happened, and which databases confirm it.
- accounts
- 10,003
- Breached
- November 13, 2025
- Last Update
- November 20, 2025
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
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.
Compromised Info
- Email addresses
- Names
- Phone numbers
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the Eurofiber breach?
The Eurofiber breach exposed: Email addresses, Names, and Phone numbers.
When did the Eurofiber breach happen?
The Eurofiber breach was disclosed on November 13, 2025 and affected 10,003 records.
Am I affected by the Eurofiber breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Eurofiber leak.