Banking information, including bank account numbers. What You Should Do
Be extremely vigilant about unsolicited emails or SMS messages. Attackers often use leaked data to craft convincing scams.
Use tools like Have I Been Pwned or Mozilla Monitor to confirm if your specific email was part of the 533k records. Banking information, including bank account numbers
Email addresses, physical mailing addresses, and phone numbers.
Because banking info was compromised, check your accounts for any unauthorized transactions. Use tools like Have I Been Pwned or
Ensure you are using unique passwords and enabling two-factor authentication (2FA) wherever possible. Later Incidents (Late 2025 – 2026)
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 Ensure you are using unique passwords and enabling
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.