La Poste Mobile 2022 Data Breach
Company · Mobile telecommunications services · Telecom provider · France
La Poste Mobile French Telecom Breach (2022): 1.3 Million Customer Records Including Full Credit Card & Bank Account Numbers Exposed via LockBit Ransomware
French mobile telecommunications provider.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
56/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
1.3MRecords
2022Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
FinancialBank Account Number; Credit Card
AddressPhysical address
Breach Summary
La Poste Mobile, a French mobile virtual network operator owned by La Poste and SFR, was hit by a LockBit 3.0 ransomware attack on July 4, 2022. The incident affected the company's administrative and management systems rather than its core network, but it forced the customer-facing website and account portal offline for roughly ten days while the company contained the intrusion and engaged external responders.\n\nLockBit listed La Poste Mobile on its public extortion site and, after the company declined to pay, began publishing stolen data in mid-July 2022. The dump included customer files for both mobile and home-internet (Box) subscribers. The exposed data covered approximately 1.3 million customer records, with around 533,000 unique email addresses among them. Fields included names, physical addresses, phone numbers, dates of birth, gender, and banking information including account numbers, alongside payment-card data in at least some records.\n\nThe exposure carries higher risk than a typical contact-data breach. Bank account numbers, names, and dates of birth are a strong base for SEPA-area direct-debit fraud and identity-verification attacks at French financial services. SIM-swap risk is elevated because attackers hold both customer phone numbers and matching personal identifiers. Affected La Poste Mobile customers should treat their phone number as a higher-risk authentication channel, monitor bank statements closely for unauthorized direct debits, and remain alert to fraud calls or messages referencing their account.
Full threat analysis, exploitation vectors, and principal guidance below.
11 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
1.3M records analyzed
About La Poste Mobile
La Poste Mobile is a French mobile virtual network operator (MVNO) jointly owned by La Poste, the French postal service, and SFR, the mobile network operator that supplies its underlying infrastructure. The company offers mobile-phone subscriptions, prepaid plans, and home internet (Box) services to retail customers in France. As of 2022, it served roughly 1.8 million subscribers, positioning it as a significant secondary brand in the French telecom market. Its customer base skews toward La Poste retail and banking customers cross-sold the mobile service through post-office branch networks.
Why They Hold Your Data
Telecom providers collect subscriber identity, phone numbers, billing records, service addresses, device data, and account-management information across mobile-service operations.
Recent Developments
La Poste Mobile took its website and customer portal offline for an extended period following the July 2022 attack and rebuilt access controls before bringing services back online. The incident triggered required notifications under the EU's General Data Protection Regulation. The company has not been publicly tied to a further large-scale breach disclosure since then. Both the LockBit ransomware operation responsible for the 2022 attack and the broader French telecom ecosystem have continued to face ransomware activity, although LockBit itself was significantly disrupted by an international law-enforcement takedown in early 2024.
Data Points Exposed
8 verified field types
Bank Account Number Critical
Credit Card Critical
Date of Birth High
Email Address
Full Name
Gender
Phone Number
Physical address High
Breach Impact
The 2022 incident caused notable operational disruption. Customer-facing systems including the website, customer portal, and mobile application were taken offline for around ten days, interrupting account management, number-portability requests, and customer support during the recovery period. The company issued public statements acknowledging the incident, notified affected customers via SMS, engaged external incident-response specialists, and reported the incident to French authorities. The fact that banking information was among the leaked fields raised additional regulatory and reputational stakes. There is no public record of major fines or class-action settlement specifically tied to the breach as of early 2026.
Exploitation & Downstream Threats
• Financial fraud using exposed financial profile data | • Identity verification bypass using name + date of birth combination | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure
Principal Risk Advisory
What this means for a principal
A telecom breach: subscriber and device data supports SIM-swap, account takeover and location inference. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
What You Should Do
- Treat the home address as exposed: review mail and package handling and physical-security routines, and brief household staff to verify unusual requests.
- Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
L
Threat Actor: LockBitConfidence: High
Motivation: Financial extortion
One of the most prolific ransomware-as-a-service ecosystems from 2019 onward. Even after law enforcement disruption, its leaked builder and brand continued to influence newer ransomware families and affiliates.
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