Tax hack: What we know about the cyberattacks on French government agencies

Cover image: A woman walks near the French Economy and Finance Ministry building known as Bercy along the River Seine in Paris, France, August 11, 2026. © Sarah Meyssonier, Reuters

French government systems came under attack by hackers who stole information on hundreds of thousands of households and private businesses in June and July, notably from the tax authority. Here's what we know about the latest cyberattacks, and what the government is doing to keep personal information secure.

Cyber hackers have stolen detailed financial information on hundreds of thousands of individuals and companies from tax and land registry computers, French authorities admitted on August 14.