Breachesby GlyphEurofiber
Disclosed Nov 17, 202510,003 accountsConfirmed
Hacker exploits Eurofiber France ticket system to steal customer data
Eurofiber France said hackers exploited a vulnerability in its ticket management system and exfiltrated information, then tried to sell customer data; it said no critical data was affected.
What is known
| People affected | 10,003 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Nov 17, 2025 |
| Happened | Nov 13, 2025 |
| Attack | Hacking |
| Data exposed | EmailsNamesPhone numbersOther |
| Sector | Telecom · FR |
| Status | Confirmed |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
aggregator to pressby seedSource
https://haveibeenpwned.com/Breach/Eurofiber to https://www.bleepingcomputer.com/news/security/eurofiber-france-warns-of-breach-after-hacker-tries-to-sell-customer-data/by seedSource
empty to FRby seedSource
tech to telecomby seedSource
unknown to hackingby seedSource
["emails","names","phone"] to ["emails","names","phone","other"]by seedSource
2025-11-20 to 2025-11-17by seedSource
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 respo to Eurofiber France said hackers exploited a vulnerability in its ticket management system and exfiltrated information, then tried to sell customer data; it said no critical data was affected.by seedSource
empty to Hacker exploits Eurofiber France ticket system to steal customer databy seedSource
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned), confirmed by Company page. Record counts are as reported. Not legal advice.