La Poste security incident history
Hacking, data breaches and other security incidents involving La Poste, with related coverage.
Incidents: 2 · Most recent
La Poste Group discloses high-intensity denial-of-service attack
La Poste Group disclosed that it had been hit by a denial-of-service cyberattack. The intensity of the attack was described as unprecedented for a French company, and the specific scale of damage and the response have not been confirmed.
Read on La Poste Groupe ↗Cyberattack on France's La Poste disrupts postal and financial services
Impact: Outages and disruptions to French postal and online banking services
In December 2025, during the Christmas peak season, French postal operator La Poste was hit by a cyberattack that disrupted its postal and online banking services. French authorities opened an investigation, and pro-Russian hackers claimed responsibility for the attack.
Related reports: 11 · last report →