Trust boundary

The point where data or control moves between components with different assurance levels. Every crossing needs explicit validation rather than inherited trust.

Security and privacy

Where an agent, a tool or a page can be turned against its operator, and the controls that limit the damage without proving safety.

Indirect prompt injection · Direct prompt injection · Jailbreak · Data exfiltration · Sensitive information disclosure · Secret leakage · Insecure output handling · Excessive agency · Least privilege · Input validation · Output validation · Allowlist · Denylist · SSRF · RCE · Credential scope · OAuth scope · API key · Bearer token · mTLS · Rate-limit policy · Audit log · PII · Data minimization · Purpose limitation · Retention period · Data residency · Tenant isolation · Threat model

← Least privilege · Input validation →

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