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Confidence MediumJun 15, 2026tchap.gouv.fr

French Government Messaging Platform Tchap Breached by 'Misere' Hacker

PatternExternal actor · Hacking · Confidentiality impact

The official French government chat service, Tchap, was breached by a threat actor named 'Misere.' French officials reported on June 15, 2026, that approximately 73,000 government accounts were affected. The breach, which occurred on June 7, 2026, involved the theft of personal details, and the threat actor claimed to have stolen messages and user data from the platform.

Signal date
Jun 15, 2026
Updated
Jun 29, 2026
Confidence
Medium
Sources
2 sources
tchap.gouv.fr logo

Tchap

Sector
Information
Signals
1 linked

Signal context

First seen: Jun 15, 2026

Last updated: Jun 29, 2026

Status: Public signal

Key points

  • Affected approximately 73,000 government accounts.
  • Threat actor: 'Misere' (unknown).
  • Stolen data includes personal details, messages, and user data.

Signal analysis

Beta

This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.

Affected organization
Tchap logo
Tchap

Sector: Information

Likely country: 🇫🇷 France

inferred from company domain

    Estimated
    Threat source
    Hacking activity

    Watch internet-facing systems, credential abuse and exploit activity.

    • Source type: outside the affected organization
    Business impact
    Potential data exposure

    Impact area: Confidentiality

    Trend context
    72 signals with similar action pattern
    • 31 signals in the same sector
    • 93 signals with the same likely impact area
    • 1 signal linked to this organization/domain
    Mentioned entities
    TchapSuspected Data ExposureFrench Government Messaging Platform TchapBreachedMisereHacker TheFrenchTchapAffectedThreat

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