Matrix/Impact/T-9005
T-9005adaptedactive

Reputation Poisoning

Generate malicious or harmful outputs to damage the agent operator's reputation

Tactic

Impact (Stage 9)

Modify data, deploy malicious code, or disrupt services

Attack Class

ORG-SKILL-SPREAD

Propagating malicious capabilities across an organization's agent fleet through shared skills and registries

Evidence

adapted

Well-understood traditional technique applied to the AI agent context.

DVAA Validation

malicious output generation

Honeypot Coverage (AgentPwn)

Queued

In scope for honeypot observation; trap page or telemetry hook not yet built.

Detection (HackMyAgent)

Live1 live · 0 queued
SUPPLY-001
npx hackmyagent secure --ciLive = check implemented in hackmyagent; queued = declared, not yet implemented

Defense (OASB Controls)

Live5 live · 4 queued
OASB 6.1OASB 6.2OASB 6.3OASB 6.4OASB 6.5OASB 11.1OASB 11.2OASB 11.3OASB 11.4
Live = documented at oasb.ai; queued = declared, not yet documented

How to Cite

AI Agent Threat Matrix T-9005 (Reputation Poisoning). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-9005