Investigation opened after the cyberattacks on the Viamedis and Almerys mutual societies, whose data was stolen. The investigations follow complaints from the two service providers, said the prosecution.

More than 33 million French people are affected by this attack, according to the National Commission for Information Technology and Liberties (Cnil) To discover PODCAST - Listen to the latest episode of our Tech Questions series Read alsoHalf of large Swiss companies victims of cyber attacks.