FrontendHaltSecurity·Intermediate·Conceptual·1 min read
How do you deploy a CSP without breaking the site?
Short interview answer
Ship it first as Content-Security-Policy-Report-Only, which reports violations without blocking, collect reports from real traffic, fix legitimate scripts flagged as violations, and only switch to the enforcing header once reports are clean.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.