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Trust Agility in an Era of Transient Ties: Rethinking TLS...

Talkat USENIX Security '25 · 2025-08-13..08-15· [security, web-platform]
linkedin:hshafagh
slides:none on file

Concrete roadmap: root programs cap roots to 10-year root limit and server certificates shrink to 47-day server certs by 2029, forcing automation and site-specific trust boundaries. Netflix reports a working stack of automated issuance, short-lived 7-day certs, multi-CA fallback issuance and human-friendly issuance templates that eliminate manual rotation and reduce revocation pain. Android adds updatable trust in Android 14 but wide adoption lags to ~2033. Emerging standards like trust anchor identifiers enable servers to advertise supported roots so clients pick compatible chains.

AI-written summary · about

  1. 0:00Trust agility and transient ties
  2. 1:17TLS certificates for server trust
  3. 3:49Root certificates explained
  4. 6:39Trust infrastructure evolution
  5. 9:07Shorter certificate validity impact
  6. 11:17Trust agility path forward
  7. 13:02Netflix automation and short-lived certs
  8. 14:51Trust boundaries for platforms
  9. 16:16Certificate templates for trust
  10. 18:05Dynamic trust negotiation
  11. 19:33Call to action for trust agility
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