French tax authority data breach affects 678,000 individuals post, augustus 17, 2026augustus 24, 2026 The French Ministry of the Economy and Finance has disclosed a data breach after an attacker accessed the General Directorate of Public Finances (DGFiP) systems and stole data belonging to 678,000 individuals. This incident was discovered after a threat actor using the “ZeroBytes” handle claimed the attack and listed a stolen database for sale on August 12 on the PwnForums hacking forum. French tax authority data breach affects 678,000 individuals: French tax authority data breach affects 678,000 individuals datalek 2026