FrontendHaltSecurity·Intermediate·Conceptual·1 min read
What does Permissions-Policy control?
Short interview answer
It allows or denies access to powerful browser features — camera, microphone, geolocation, and others — per origin and per frame. Disabling features the site never uses means a compromise or a misbehaving third-party frame can't invoke them.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.