MEDIUMVulnerability
Global

French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks

·Source: The Hacker News

Updated:

Executive Summary

An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax administration nor France's national cybersecurity agency saw the data leave. The attack was not sophisticated, the agency, ANSSI, says in a report (in French) published on Tuesday: it worked because of weak

Analysis

An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax administration nor France's national cybersecurity agency saw the data leave. The attack was not sophisticated, the agency, ANSSI, says in a report (in French) published on Tuesday: it worked because of weak
Source Attribution

Originally published by The Hacker News on Sep 29, 2026.

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