~/talk

How to Break AI Systems (Before Someone Else Does)

Talkat NDC Toronto 2026 · 2026-05-05..05-08· [security, machine-learning]
links:none on file
slides:none on file

Large models fail because they treat instructions as data and are trivially jailbreakable; demos include hidden prompts in documents, agent goal manipulation, and data‑exfiltration via emails and PDFs. Concrete impacts: a Bard demo triggers a 9% stock drop (~$100B market cap) and a chatbot error leads to legal liability over airfare refunds. Exploits shown include the Crescendo attack and simple encodings; defenses are practical, e.g. spotlighting with base64 encoding, which cuts attack success from ~35% to ~3% on GPT‑3.5 while barely impacting GPT‑4, and a red‑teaming practice platform with vulnerable apps is provided.

AI-written summary · about

  1. 0:00Introduction
  2. 2:39AI red teaming
  3. 10:07Architectural flaws in AI models
  4. 12:57Prompt injection attacks
  5. 17:51Structural red teaming
  6. 19:37Indirect prompt injection risks
  7. 22:30AI misuse scenarios
  8. 27:29Nation-state threats
  9. 30:16Mitigations and spotlighting techniques
  10. 36:14Q&A
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