Tax and property data relating to 678,000 individuals and businesses was stolen from French government systems following unauthorized access in June and July, France's Direction générale des Finances publiques (DGFiP) said on 14 Aug.
France Tax Data-Breach Raises Fresh Targeting Risk as Crypto Attacks Surge
15 August 2026 - 09:38 UTC
By Matt Neill
The information included reference tax income, household calculations and withholding rates, alongside company identifiers and cadastral data covering property addresses and sizes. The DGFiP said user accounts, passwords and public tax-service spaces were not compromised.
The disclosure comes as France records a sharp increase in violent attacks targeting cryptocurrency holders. Chainalysis said in an August report that France recorded 19 publicly known incidents in 2025 and another 30 through mid-2026, after only a handful before 2025. Interior Minister Laurent Nuñez has separately said authorities documented more than 70 crypto-related violent incidents by late June.
Chainalysis has linked part of that increase to earlier leaks of personal and financial information, including allegations that a French tax official sold dossiers containing details on wealthy crypto holders. The blockchain analytics firm estimates more than $30mn has been stolen globally in violent crypto attacks so far this year.
