~/talk

One Search To Rule Them All: Threat Modelling AI Search

Talkat BSidesSF 2025 · 2025-04-26..04-27· [security, ai-assisted-development]
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slides:none on file

Explains threat modeling for enterprise AI search with concrete findings: rollout at Canva uses Glean, connections to Slack, Confluence and other apps, and an archived-then-restored Confluence bug that wipes permissions allowing Glean to index restricted pages; a proxy misconfiguration exposed API key access even on self‑hosted setups; phones bypass managed-device controls; MCP/agents enable actions like local file saves and yolo mode risks; recommends three controls—run your own or limit integrations, control where access is allowed—and warns of service accounts acting as 1FA.

AI-written summary · about

  1. 0:00Introduction to AI search
  2. 1:37Glean deep dive
  3. 4:01Threat modeling framework
  4. 5:23Integration findings
  5. 7:39AuthZ and access controls
  6. 12:07Security controls
  7. 13:06MCP and AI agents
  8. 18:04Summary and takeaways
  9. 21:00Q&A session
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