Attack on DGFIP: Hacker claims to have bypassed multi-factor authentication

A hacker claims to have maintained authenticated access to DGFIP after bypassing multi-factor authentication.

Published 4j3 sources✓ ConfirmedNotableupdated 4j

≈ 18sSpeed

The fact

This prolonged intrusion raises questions about detecting data exfiltration in secure environments.

The claims, unverified, are reported by the media outlet GlobalSecurity.

3 sources — click a link to read an article on the topic:

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Auto-synthesis from 3 media sources · identified on August 17, 2026