Massive data leaks: how to know if you are affected?

General Directorate of Public Finances (DGFiP), National Education, France Travail, CAF, ANTS, SFR… Whether they come from private companies, public agencies or state services, massive data leaks have been increasing since the start of the year. A worrying trend, which leads to the publication of confidential information of millions of French people on the internet, from address to age, including reference tax income or professional status.

Since data theft occurs regularly - in 2025, the CNIL recorded 24 data leaks every day - it can even be difficult for consumers to find their way around and know if they are among the victims of these malicious acts. While the law requires organizations affected by these attacks to inform victims, fake leaked emails can cover their tracks. And this, while this simple information can make it possible to better prepare for possible scam or identity theft attempts. However, there are simple techniques to check if you are affected. Le Figaro takes stock.