What Happened
In early May 2026, Action Populaire, the mobilization platform used by La France Insoumise (LFI), was targeted in a cyberattack in which a hacker claimed to have stolen data from the service; reports said the alleged leak included about 120,000 email addresses, 20,000 phone numbers, and possibly internal message contents, though LFI disputed claims that its files or supporters’ data had been broadly compromised. The party said it had reported the incident to French authorities including the CNIL and ANSSI and planned to file a complaint, while confirming that some contact details of LFI officials had been accessed.
