Reference
AI agent security glossary
A practical reference for teams evaluating security and governance controls for AI agents that operate browsers and web applications.
01 / Reference
Action and enforcement terms
Browser agent security governs what an AI agent may do through a browser. Action mediation evaluates a proposed action before execution. Pre-execution enforcement applies the policy outcome before browser state changes.
- Allow: permit the proposed action
- Ask: hold the action until a person decides
- Block: stop the action before execution
- Redact: remove sensitive data from the action or context
- Substitute: provide an approved value at the point of use
02 / Reference
Credential and approval terms
Credential protection keeps secrets outside model context. Human-in-the-loop approval pauses a sensitive action until a reviewer explicitly allows or blocks it.
03 / Reference
Evidence and context terms
An action audit trail connects the proposed action, target, session context, matched policy, decision, outcome, and reviewer history.
A few more details
Frequently asked questions
What is action mediation?
Action mediation evaluates and potentially changes a requested agent action before it executes.
What is pre-execution enforcement?
Pre-execution enforcement applies a policy outcome before a browser command or state-changing action runs.
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