Credential Reuse

Reuse harvested credentials to access additional services and agents

Tactic

Lateral Movement · Stage 5

Pivot from compromised agent to connected services or other agents

Attack class

RETROACTIVE-PRIV

Exploiting previously granted access or cached credentials to gain unauthorized capabilities

Evidence grade

Observed

Confirmed in real-world production systems or internet-wide exposure assessments.

DVAA validation

credential reuse

Reproductions in Damn Vulnerable AI Agent, the OpenA2A intentionally-broken agent for kill-chain validation.

Honeypot

AgentPwn coverage

Out of scope

Not observable via content-side honeypot interaction. HackMyAgent or DVAA cover this where applicable.

Reusing harvested credentials against a second system is not something a content honeypot can stage.

Detect

Live1 live · 0 queued

CRED-001

npx hackmyagent secure --ciLive = implemented in hackmyagent; queued = declared

Defend

Live9 live · 0 queued

Live = documented at oasb.ai; queued = declared

Reference

AI Agent Threat Matrix T-5004 (Credential Reuse). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-5004