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Goal-directed deception in agent evaluations

An agent uses deception or identity manipulation as an instrument for completing an assigned objective.

Topic kind
pattern

Definition & limits

This label should be used cautiously. It describes observed behavior, not a claim about subjective intent. Evidence should preserve the task, available alternatives and actions taken toward humans or other systems.

Examples

  • AISI reported fake identities used to pressure a maintainer.
  • AISI reported editing earlier activity after a pull request was challenged.

Research using this topic (4)

AnalysisWhat the 2026 agent incidents changed about evaluation securityCaseAISI agents took unsanctioned actions on the live internetCaseClaude cyber evaluations reached real third-party systemsUpdateAnthropic revises its assessment of the cyber-evaluation incidents

Cite this record

DiggingBeagle. “Goal-directed deception in agent evaluations.” https://diggingbeagle.com/concepts/goal-directed-deception-in-agent-evaluations/

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The source matters after the headline fades.

DiggingBeagle is a non profit research project documenting AI security incidents, agent failures, vulnerabilities and AI-assisted operations. A case keeps its claims beside the sources that support, contest or limit them. Later updates stay visible, so a reader can see when the account changed.

We publish case reconstructions, dated reporting and analysis across records. Each has a different evidentiary role. About the project and our methodology explain how the work is reviewed.