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You need to make a frequently requested authenticated resource cacheable at CDN edge, but avoid IDOR/caching cross-contamination. Which is the best safe approach?

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You need to make a frequently requested authenticated resource cacheable at CDN edge, but avoid IDOR/caching cross-contamination. Which is the best safe approach?

Cache everything and rely on short TTLs so the impact is minimal

Disable compression to make poisoning harder

Use a cache key that includes a signed token or user identifier that the CDN cannot forge, and validate it server-side

Remove authentication so caching is simpler

This question is part of this quiz :

Cyber Quiz Day 34
Tags:
Ethical Hacking
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