Personal Data Leak Monitor

Eurofiber data breach

10K accounts from Eurofiber (eurofiber.com) were exposed in this breach. Besides email addresses, it included names and phone numbers.

Breach date
November 13, 2025
Accounts
10,003
Added to the database
November 20, 2025

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What leaked

Email addressesNamesPhone numbers

What to do now

  1. Do not tap links in emails claiming to be that service
  2. Expect scam emails that use your real name
  3. Be alert to fake delivery or unpaid-bill texts and calls

Tools that help with this breach

Norton 360PaidVisit the official site →(opens in a new tab)ESETPaidVisit the official site →(opens in a new tab)

About this 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 breach alleges to have additional, more sensitive data including screenshots, VPN configuration files, credentials, source code, certificates, archives, and SQL backup files.

Source: Have I Been Pwned (CC BY 4.0)

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