Eurofiber’s French Fiasco: 10,000 Customers Caught in Data Breach Comedy of Errors
Eurofiber’s ticket management platform and ATE portal were hit by a data breach, affecting Eurofiber France customers. A hacker named ByteToBreach exploited vulnerabilities, exfiltrating 10,000 password hashes and more. Luckily, sensitive banking details were spared—because who needs money when you have SQL backups and internal documents to cuddle with?

Hot Take:
Eurofiber’s weekend plans for relaxation were rudely interrupted by a cybercriminal’s SQL injection bug bash! The fiber optic network operator now finds itself wrapped in a tangled web of data breaches and digital mischief, raising the question: Who knew IT ticketing could be so exciting? Eurofiber’s France wing is now scrambling to patch up vulnerabilities faster than you can say “Bonjour, data breach!”
Key Points:
- Eurofiber’s ticket management platform and ATE customer portal were breached on November 13.
- The breach affected Eurofiber France and its subsidiaries, but not customers in Belgium, Germany, or the Netherlands.
- Data exfiltrated included support tickets, internal messages, and configuration files, among others.
- The threat actor, ByteToBreach, exploited an SQL injection bug.
- Eurofiber secured the systems, notified authorities, and reported an extortion attempt.
