The ANTS data breach has brought renewed attention to data security risks in France’s public sector after authorities confirmed a security incident affecting the ants.gouv.fr portal. The breach was detected on April 15, 2026, by the National Agency for Secure Documents and may have led to the exposure of personal data linked to both individual and professional accounts.

According to initial findings, the compromised data includes identification details such as login IDs, names, email addresses, dates of birth, and unique account identifiers.

In some cases, additional information such as postal addresses, place of birth, and phone numbers may also be involved. Affected users are being n...