In July 2022, the French telecommunications company was hit by a major ransomware attack carried out by the LockBit group . This incident led to a significant data leak affecting over 533,000 unique email addresses and a wide range of personal customer information. Are You Affected?
Be extremely vigilant about unsolicited emails or SMS messages. Attackers often use leaked data to craft convincing scams.
You are likely affected if you were a La Poste Mobile customer during or before July 2022. While the core servers running mobile lines remained protected, hackers accessed management and administrative files containing customer data. In July 2022, the French telecommunications company was
Because banking info was compromised, check your accounts for any unauthorized transactions.
Email addresses, physical mailing addresses, and phone numbers. Be extremely vigilant about unsolicited emails or SMS
Use tools like Have I Been Pwned or Mozilla Monitor to confirm if your specific email was part of the 533k records.
It is worth noting that (the parent postal service) suffered a separate series of massive DDoS attacks in December 2025 and January 2026, claimed by the pro-Russian group NoName057(16) . Unlike the 2022 mobile hack, the 2025/2026 incidents primarily disrupted online services and parcel tracking without a new data leak being reported. La Poste Mobile Data Breach - Have I Been Pwned While the core servers running mobile lines remained
The leaked database, which was eventually published publicly by the hackers, included highly sensitive details: Full names, genders, and dates of birth.