AI Agent Threat Matrix
Matrix/Impact/T-9004
T-9004adapted

Multi-Agent Consensus Manipulation

Manipulate multi-agent consensus mechanisms to influence collective decision-making

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

consensus-manipulation

Detection (HackMyAgent)

SUPPLY-001
npx hackmyagent secure --ci

Defense (OASB Controls)

OASB 6.1OASB 6.2OASB 6.3OASB 6.4OASB 6.5OASB 11.1OASB 11.2OASB 11.3OASB 11.4

How to Cite

AI Agent Threat Matrix T-9004 (Multi-Agent Consensus Manipulation). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-9004
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