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Last Update: 10/27/2026 at 6:00 AM EST
French Government Data Breaches
Coverage from WebProNews, Safestate, and others
French public-sector data breaches raise questions about the security of personal and business information held by government agencies, how intrusions are detected, and how affected people are notified.
A prominent example involves the Directorate General of Public Finances (DGFiP), where an intrusion exposed tax and related records; agencies including France’s cybersecurity agency ANSSI and data-protection regulator CNIL were involved in response and oversight. The wider subject is the protection and handling of government-held data, from access controls and incident investigation to disclosure and remediation.
Looking Back
198 Day Timeline
Feb 20
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History
10/03/2026
The story now includes a reported France Titres/ANTS identity-data breach, broadening the incidents beyond tax, banking, and health records. Its reported scale remains disputed.
All Articles44 articles
Important
France's DGFiP disclosed in August that compromised employee and third-party credentials enabled unauthorized access to tax and property records affecting 678,000 people and businesses in France.
8/18/2026 • Data Breaches & Exposure Events • General
France's Direction generale des Finances publiques confirmed in August 2026 that stolen authorized-user credentials enabled access to tax and property records for 678,000 individuals and businesses.
8/18/2026 • Data Breaches & Exposure Events • General
France Titres confirmed an April 15 breach and warned of phishing risk after a claimed theft of up to 19 million identity records.
4/22/2026 • Data Breaches & Exposure Events • General
France Titres detected a data breach on April 15 and reported millions of exposed identity records on April 16, raising phishing risk.
4/22/2026 • Data Breaches & Exposure Events • General
Groupement Mousquetaires confirmed on August 3, 2026, that a July cyberattack exposed personal data from 287,605 Drive Intermarche customers in France.
8/4/2026 • Data Breaches & Exposure Events • General
Paris prosecutors investigated a detained 15-year-old on April 25 for suspected ANTS hacking and dark-web sale of millions of French identity records.
5/1/2026 • Data Breaches & Exposure Events • General
Paris authorities investigated a detained 15-year-old suspected of hacking ANTS and selling stolen French identity data on the dark web, with citizen notification issued April 22.
4/30/2026 • Data Breaches & Exposure Events • General
Paris prosecutors opened an investigation on April 30 into a detained teenager suspected of hacking ANTS and attempting dark web resale of millions of French identity records.
4/30/2026 • Data Breaches & Exposure Events • General
Paris prosecutors investigate a detained teenager for suspected hacking of France’s ANTS ID agency after dark-web sale of millions of citizens’ records.
4/30/2026 • Data Breaches & Exposure Events • General
Paris prosecutors opened an investigation in 2024 into suspected hacking of France's ANTS identity data system after data resale attempts on the dark web.
4/30/2026 • Data Breaches & Exposure Events • General
French prosecutors investigate an alleged ANTS breach after cybercriminal forums reportedly offered millions of authentic identity records for sale.
4/30/2026 • Data Breaches & Exposure Events • General
Paris prosecutors investigated a detained 15-year-old for suspected ANTS hacking after dark-web listings of millions of French identity data records.
4/30/2026 • Data Breaches & Exposure Events • General
ANTS confirmed a cyberattack after a dark web sale claim of 19 million identity records tied to ants.gouv.fr, with incident detection on April 15, 2026.
4/22/2026 • Data Breaches & Exposure Events • General
France's Finance Ministry confirmed in June that a malicious actor stole taxpayer data from DGFiP systems in France, prompting containment and investigation.
8/17/2026 • Data Breaches & Exposure Events • General
France's tax authority reportedly exposed data on 678,000 users in 2026, raising concerns that criminals could target wealthy crypto investors with kidnappings and home invasions.
8/15/2026 • Data Breaches & Exposure Events • General
France's Direction générale des Finances publiques confirmed on August 13, 2026, that stolen credentials enabled unauthorized extraction of government records before access was terminated.
8/15/2026 • Data Breaches & Exposure Events • General
France's DGFiP disclosed unauthorized access to 678,438 taxpayers' personal information after an intrusion on June 12 through compromised internal systems.
8/15/2026 • Data Breaches & Exposure Events • General
France's Finance Ministry confirmed on Thursday that a late-June cyberattack extracted taxpayer data from the General Directorate of Public Finances in France.
8/14/2026 • Data Breaches & Exposure Events • General
France's tax administration confirmed in August that hackers breached DGFiP systems, exposing partial taxpayer and business records from France.
8/14/2026 • Data Breaches & Exposure Events • General
France's Directorate General of Public Finances disclosed a June-July credential-based breach affecting approximately 678,000 users and exposing tax and property records in France.
8/18/2026 • Data Breaches & Exposure Events • General
In August, France's Ministry of the Economy and Finance disclosed a breach after attackers accessed DGFiP systems in France and extracted data on 678,000 individuals and professionals.
8/17/2026 • Data Breaches & Exposure Events • General
France's DGFiP disclosed in August 2026 that unauthorized access to government systems exposed tax data involving 678,000 individuals and professionals in France.
8/17/2026 • Data Breaches & Exposure Events • General
France's Directorate General of Public Finances disclosed in late June that hackers accessed tax systems and extracted personal and business data in France.
8/14/2026 • Data Breaches & Exposure Events • General
SFR confirmed on July 2 in France that unauthorized access to an internal fibre-management tool exposed customer contact and contract information, prompting CNIL notification and a prosecutor complaint.
8/22/2026 • Data Breaches & Exposure Events • General
France's Education Nationale confirmed a July 2026 information-system intrusion after ZeroBytes claimed theft of extensive staff and student records from ministry systems.
8/18/2026 • Data Breaches & Exposure Events • General
ANS on April 15, 2026 detected an ants.gouv.fr security incident after breach3d claimed up to 19 million records for sale, with CNIL, Paris prosecutors, and ANSSI notified.
4/21/2026 • Data Breaches & Exposure Events • General
France's CNIL fined Hôpital Privé de la Loire in Saint-Etienne EUR 500,000 on September 3, 2026, after a 2025 breach exposed records linked to 727,113 people.
9/5/2026 • Regulation, Law & Enforcement • General
France’s CNIL fined Hôpital privé de la Loire in 2026 for security and notification failures after a 2025 intrusion exposed records involving 727,113 people in Saint-Étienne.
9/4/2026 • Regulation, Law & Enforcement • General
CNIL fined Hôpital privé de la Loire in Saint-Etienne, France, after a 2025 cyberattack exposed health information belonging to more than 727,000 people.
9/4/2026 • Regulation, Law & Enforcement • General
Interesting
French officials announced sovereign AI procurement for government cybersecurity in Paris on August 18, 2026, after tax agency attacks exposed data from about 700,000 taxpayers.
8/18/2026 • Data Breaches & Exposure Events • General
France expanded the Digital Health Segur in 2026 to improve secure health-data exchange across hospitals, clinicians, patients and social care organizations.
8/12/2026 • Personal Data & Identity • General
Insee disclosed in France a cyberattack directory breach on 12,800 current and former staff and related civil service corps, exposing identities and professional contact details.
6/26/2026 • Data Breaches & Exposure Events • General
Insee reported a cyberattack on an employment directory on June 26, affecting about 12,800 staff with exposure limited to identities and professional contact details.
6/26/2026 • Data Breaches & Exposure Events • General
Gîtes de France reported a cyberattack affecting up to 389,000 European clients after May 18 breach notifications in France.
5/18/2026 • Data Breaches & Exposure Events • General
ANTS detected a data breach on April 15 and confirmed potential exposure of passport and national ID PII in France while notifying affected citizens.
4/23/2026 • Data Breaches & Exposure Events • General
France's ANTS confirmed a data breach on April 20 after detecting an attack on April 15, citing possible exposure of identity and contact data for millions.
4/22/2026 • Data Breaches & Exposure Events • General
Stade Français Paris confirmed during the reported incident that a ransomware attack disrupted club systems in Paris, France, while leaked data remained under investigation.
8/7/2026 • Data Breaches & Exposure Events • General
Paris authorities detained a 15-year-old over a France Titres data breach after ANTS detection, forum sale confirmation, and a criminal investigation.
5/4/2026 • Data Breaches & Exposure Events • General
ANTS, the French identity document issuing authority, confirmed a data breach on April 20 after detecting an April 15 attack, with ongoing assessment of affected citizens.
4/22/2026 • Data Breaches & Exposure Events • General
France Titres (ANTS) disclosed an April 15 data breach in a French identity portal, reporting the incident to CNIL under GDPR and to national cybersecurity authorities.
4/22/2026 • Data Breaches & Exposure Events • General
France's finance ministry reports data breach at the FICOBA bank registry in late January, affecting about 1.2 million accounts nationwide.
2/20/2026 • Data Breaches & Exposure Events • General
France's CNIL fined Hopital prive de la Loire EUR 500,000 in 2025 after a breach exposed sensitive data from patients and trusted third parties in Saint-Etienne.
9/3/2026 • Regulation, Law & Enforcement • General
French officials, cybersecurity researchers, and law-enforcement authorities reported breaches, data theft, fraud, and surveillance risks affecting individuals, companies, and infrastructure across multiple countries in 2026.
8/17/2026 • Data Breaches & Exposure Events • General
Acronis, government agencies, security researchers, and affected organizations reported malware, ransomware, system vulnerabilities, and data exposures across Europe, the Americas, and global vendor networks in 2026.
8/20/2026 • Data Breaches & Exposure Events • General