La Poste Mobile
HIGH RISKData breach — July 2022
In July 2022, the French telecommunications company La Poste Mobile was the target of an attack by the LockBit ransomware which resulted in company data being published publicly. The impacted data included 533k unique email addresses along with names, physical addresses, phone numbers, dates of births, genders and banking information. 10 days after the attack, the La Poste Mobile website remained offline.
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What happened in the La Poste Mobile data breach?
In July 2022, the French telecommunications company La Poste Mobile was the target of an attack by the LockBit ransomware which resulted in company data being published publicly. The impacted data included 533k unique email addresses along with names, physical addresses, phone numbers, dates of births, genders and banking information. 10 days after the attack, the La Poste Mobile website remained offline.
The exposed data included 7 types of personal information. Financial data was included, making this breach especially dangerous for affected users. Learn more about what a data breach means for you.
Quick answer — was La Poste Mobile hacked?
Yes. La Poste Mobile was breached in July 2022. The breach exposed 533,886 records including bank account numbers, dates of birth, email addresses. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the La Poste Mobile breach so dangerous?
The La Poste Mobile breach exposed 533,886 records — that is a large number of compromised accounts. The combination of bank account numbers, dates of birth, email addresses makes this a high-risk breach that requires immediate action.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the La Poste Mobile breach?
Bank account numbers — can be used for direct financial fraud and unauthorised transactions
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Genders — may be combined with other breach data to build a profile for targeted attacks
Names — used to build profiles and target you with personalised scams
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the La Poste Mobile breach still dangerous in 2026?
Yes. Stolen data from the La Poste Mobile breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2022 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your La Poste Mobile password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the La Poste Mobile breach
Approximately 533,886 user records were exposed in the La Poste Mobile breach in July 2022.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your La Poste Mobile password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full La Poste Mobile dataset and tell you instantly whether your email was exposed and what data was taken.
Change your La Poste Mobile password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the La Poste Mobile breach?
The La Poste Mobile data breach affected approximately 533,886 users who had accounts with the service. While not the largest breach on record, it still represents a significant number of compromised accounts in our database of 970+ known breaches.
If you ever created an account with La Poste Mobile or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the La Poste Mobile breach
Change your La Poste Mobile password immediately
Go to La Poste Mobile and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on La Poste Mobile and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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