OWASP Agentic Top 10 / ASI08

ASI08: Repudiation

Insufficient audit trail to prove who/what triggered an agent action.

Last reviewed June 2026

Problem

The gap ASI08 closes

Repudiation sits in the audit surface, and OWASP Agentic Top 10 rates it medium. Insufficient audit trail to prove who/what triggered an agent action. For teams shipping LLM and agentic features, a control like this is only as good as the evidence that it was actually tested - an unverified control is a finding waiting for an auditor.

How Penaxtra approaches it

How Penaxtra delivers ASI08

Penaxtra ships adversarial probe families that target repudiation directly. Each probe runs against your live endpoint on a schedule, and every triggering response is scored by three independent judges plus a meta-judge before it becomes a finding - so a ASI08 result is a tested verdict, not a guess. Every relevant finding is created with the OWASP Agentic Top 10 ASI08 identifier already attached, so it lands in the audit-evidence pack mapped to the control rather than as a screenshot someone has to translate later. Where the same weakness touches another framework, the cross-framework overlap means one finding satisfies several control cells at once.

Technical capabilities

ASI08 capabilities

Probe and check coverage aligned to ASI08 (Repudiation)

Findings tagged with the OWASP Agentic Top 10 ASI08 control identifier

Severity context (OWASP Agentic Top 10 rates this medium)

Cross-framework overlap so one finding maps to several control cells

PDF and JSON audit-evidence export with the control id attached

Compliance mapping

ASI08 compliance mapping

Findings for ASI08 carry the OWASP Agentic Top 10 ASI08 identifier and cross-map to the related controls in the other five frameworks Penaxtra covers.

FAQ

Frequently asked

What is ASI08 (Repudiation)?

Insufficient audit trail to prove who/what triggered an agent action. It is part of OWASP Agentic Top 10, rated medium.

How does Penaxtra test for ASI08?

Penaxtra ships adversarial probe families that target repudiation directly. Each probe runs against your live endpoint on a schedule, and every triggering response is scored by three independent judges plus a meta-judge before it becomes a finding - so a ASI08 result is a tested verdict, not a guess.

Does a finding for ASI08 help with an audit?

Yes. Each finding is tagged with the OWASP Agentic Top 10 ASI08 control identifier and exported in the PDF and JSON evidence pack, so it maps straight onto the auditor control list instead of needing manual translation.

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