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Fabricated Realities: AI Personas and Simulacra and the Threats They Pose

Talkat BSides Edmonton 2024 · 2024-09-23..09-24· [large-language-models, security]
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slides:none on file

Voice cloning moves from minutes to 3 seconds of audio and enables realistic synthetic video and audio used in extortion and phishing at scale; provenance breaks down so attackers can fabricate logs and transcripts. Demonstrated mitigations include frequency filtering of published audio, asking interlocutors to perform a visible gesture (open fingers between face and camera — finger-gap video check), and cryptographic provenance / chain-of-trust for recordings to prove authentic sources.

AI-written summary · about

  1. 0:00Introduction to AI personas
  2. 6:11Rise of synthetic identities
  3. 10:46Deepfakes and cybercrime surge
  4. 15:32Consequences of AI-generated deception
  5. 19:25Proving authenticity in digital age
  6. 22:20Manipulation techniques in media
  7. 25:23Ethical dilemmas of AI cloning
  8. 31:02Evolution of voice cloning technology
  9. 33:52Defending against AI impersonation
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