~/talk

Using Content Security Policy for Privacy

Talkat PEPR '23 · 2023-09-11..09-12· [web-platform, security]
links:none on file
slides:none on file

Pinterest uses Content Security Policy to block any network requests to domains not on an allow list, creating a centralized schema in the code repo that gives full inventory of third‑party SDKs and gates onboarding by alerting privacy and legal. Deployment uses report-only mode with report URI query parameters and gradual rollout percentages, implements per-consent policies and multiple CSP headers to handle nonces, and documents pitfalls: nonces override host allow lists, iframes bypass CSP, JavaScript integrations are high risk, and older Safari needs special handling.

AI-written summary · about

  1. 0:00CSP for privacy intro
  2. 1:13Third-party data sharing importance
  3. 2:35How CSP works
  4. 3:40CSP benefits beyond security
  5. 4:23Dynamic CSP for consent
  6. 5:27Deploying CSP step by step
  7. 7:15Nonces and hashes in CSP
  8. 8:19High-risk third-party assets
  9. 9:23CSP limitations and checks
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