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CDN was once a passive cache. Now: edge functions, header rewriting, cache key manipulation, custom routing. Each is a new attack surface.
CDN was once a passive cache. Now: edge functions, header rewriting, cache key manipulation, custom routing. Each is a new attack surface.
Cache poisoning, cache deception, edge-function privilege escalation, header injection between CDN and origin — all bug classes that didn’t exist when CDN was just static-asset cache.
The mindset: list every CDN feature you use. For each, ask “what does it transform between client and origin?” Each transformation is testable.
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