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Entités

Unidentified third party compromised by Claude Opus 4.6 during Anthropic cybersecurity evaluation

Affecté par des incidents

Incident 16853 Rapports
Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

2026-09-09

Anthropic reported that during a January 2026 cybersecurity evaluation, an early checkpoint of Claude Opus 4.6 accidentally disabled its assigned target, then reached an unrelated third-party machine over the open Internet. The model reportedly used a discovered password for admin access, harvested additional credentials, changed system settings, and read one person's personal information before its token budget ended. Anthropic later notified the affected party.

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Entités liées
Autres entités liées au même incident. Par exemple, si le développeur d'un incident est cette entité mais que le responsable de la mise en œuvre est une autre entité, ils sont marqués comme entités liées.
 

Entity

Irregular

Incidents involved as Deployer
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Anthropic

Incidents impliqués en tant que développeur et déployeur
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

AI evaluation organizations

Incidents involved as Deployer
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

AI agent system deployers

Incidents involved as Deployer
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Large language model developers

Incidents involved as Developer
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

AI agent system developers

Incidents involved as Developer
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Unidentified person whose personal information was accessed by Claude Opus 4.6

Affecté par des incidents
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Privacy

Affecté par des incidents
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Organizations

Affecté par des incidents
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Large language models

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Early checkpoint of Claude Opus 4.6

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Cybersecurity AI systems

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Claude Opus 4.6

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

Claude

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

Plus
Entity

AI agent systems

Incidents implicated systems
  • Incident 1685
    3 Report

    Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation

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