France’s tax authority admits hackers made off with data on 678,000 individuals – Help Net Security

August 17, 2026 1 Min Read 0

Threat Intelligence Brief

Curated summary with source attribution

Source: helpnetsecurity.com

Threat Risk: High
Victim: French General Directorate of Public Finances (DGFiP)
Incident: Unauthorized access and data theft via MFA bypass.
Impact: Exposure of sensitive tax income, withholding rates, and corporate identification data for 678,000 entities.
Attacker: ZeroBytes
Analysis: The attacker, known as ZeroBytes, utilized compromised credentials and an MFA bypass technique to infiltrate the General Directorate of Public Finances. While the threat actor claimed access to millions of records, official investigations confirmed the theft of data for 678,000 individuals and professionals. This incident underscores a persistent campaign targeting French government infrastructure.
Recommendations: Implement phish-resistant MFA to mitigate credential-based bypass attacks; Enhance monitoring for anomalous data exfiltration patterns in administrative portals; Conduct comprehensive audits of privileged access logs for government systems
Source: Help Net Security

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