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

Honeypot Coverage (AgentPwn)

Livecapability-abuseagentpwn.com/attacks/capability-abuse

An AgentPwn trap page produces a payload tagged with this technique class. Following the AgentPwn taxonomy of trap pages shows what an agent encounters.

Detection (HackMyAgent)

Live5 live · 0 queued

NET-001SANDBOX-001SANDBOX-002SANDBOX-003SANDBOX-004

npx hackmyagent secure --ciLive = check implemented in hackmyagent; queued = declared, not yet implemented

Defense (OASB Controls)

Live1 live · 0 queued

OASB 4.3

Live = documented at oasb.ai; queued = declared, not yet documented

How to Cite

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

← Back to Matrix