T-3001ObservedDeclining
System Prompt Credential Extraction
Extract credentials hardcoded or referenced in the agent's system prompt
Tactic
Credential Harvest · Stage 3
Extract API keys, tokens, and credentials from agent context and connected services
Attack class
RETROACTIVE-PRIV
Exploiting previously granted access or cached credentials to gain unauthorized capabilities
Evidence grade
ObservedConfirmed in real-world production systems or internet-wide exposure assessments.
DVAA validation
L1-02
Reproductions in Damn Vulnerable AI Agent, the OpenA2A intentionally-broken agent for kill-chain validation.
Honeypot
AgentPwn coverage
data-exfiltrationagentpwn.com/learn ↗
An AgentPwn trap page produces a payload tagged with this technique class. Following the AgentPwn taxonomy of trap pages shows what an agent encounters.
Credential-probe tiers extract secrets referenced in the system prompt.
Detect
Detection · HackMyAgent
CRED-001CRED-002CRED-003CRED-004
npx hackmyagent secure --ciLive = implemented in hackmyagent; queued = declaredDefend
Defense · OASB controls
Reference
How to cite
AI Agent Threat Matrix T-3001 (System Prompt Credential Extraction). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-3001