AI Agent Threat Matrix
Matrix/Exfiltration/T-8004
T-8004validated

Tool Chain Exfiltration

Chain multiple tool calls to stage and exfiltrate data through legitimate-looking operations

Tactic

Exfiltration (Stage 8)

Transfer collected data out of target environment

Attack Class

SKILL-EXFIL

Using legitimate tool capabilities for unauthorized data transfer

Evidence

validated

Reproduced in controlled lab environment (DVAA) with documented steps.

DVAA Validation

L3-06

Detection (HackMyAgent)

NET-001SANDBOX-001SANDBOX-002SANDBOX-003SANDBOX-004
npx hackmyagent secure --ci

Defense (OASB Controls)

OASB 4.3

How to Cite

AI Agent Threat Matrix T-8004 (Tool Chain Exfiltration). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-8004
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