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A blueprint for building a generic... (Ashwin Sidhalinganahalli, Fletcher Ramee)

Talkat BSidesSF 2026 · on Saturday, 2026-03-21· [security, web-platform]
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A hub‑and‑spoke control plane called Guard stores all policies and pushes them to Topaz sidecar evaluators that run next to apps for millisecond P99 latency; fallback options include a central evaluator for very fresh or huge policies and a transpiler to platform native rules for mesh and Kubernetes. The deployment handles 1M decisions/sec in a case study, adds short lived caches, requires initial policy sync before app start, and yields single‑pane visibility plus just‑in‑time and orphaned‑permission cleanup.

AI-written summary · about

  1. 0:00Introduction
  2. 0:41The authorization problem
  3. 8:21The blueprint solution
  4. 16:52Authorization architecture
  5. 21:25Securing AI agents
  6. 24:37Platform-level authorization
  7. 27:05Lessons from deployment
  8. 31:04Driving adoption
  9. 33:29Key takeaways
  10. 35:59Recap and next steps
  11. 36:40Q&A session
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