Matrix/Initial Access/T-2007
T-2007validated

Multi-Turn Manipulation

Gradually shift agent behavior over multiple conversation turns to bypass single-turn detection

Tactic

Initial Access (Stage 2)

Gain control over agent behavior through prompt manipulation or input exploitation

Attack Class

SOUL-INJECT

Directly manipulating or overriding the agent's system-level instructions and behavioral boundaries

Evidence

validated

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

DVAA Validation

multi-turn challenges

Detection (HackMyAgent)

PROMPT-001
npx hackmyagent secure --ci

Defense (OASB Controls)

OASB 3.1OASB 3.2OASB 3.3OASB 3.4OASB 3.5

How to Cite

AI Agent Threat Matrix T-2007 (Multi-Turn Manipulation). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-2007