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With Great Training Comes Great Vulnerability: Practical Attacks against Transfer Learning

Talkat USENIX Security '18 · on Friday, 2018-08-17· at 11:10· Grand Ballroom 5· [security, machine-learning]
links:none on file
slides:none on file

Shows that transfer learning creates a practical black‑box attack that uses a public Teacher model to craft imperceptible perturbations by neuron representation matching at a middle layer, assuming Teacher white‑box and Student black‑box. Tests on self‑trained Students and services (Google Cloud ML, Microsoft CNTK, PyTorch) yield >92% and >95% targeted success and teacher fingerprinting at >88%. A defense adds a neuron‑distance constraint to the transfer objective, cutting attack rates from >90% to 30% and 12% with minimal accuracy loss; code and models are on GitHub.

AI-written summary · about

  1. 0:00Introduction
  2. 0:27Deep Learning
  3. 1:22Transfer Learning
  4. 2:57Deep Learning Basics
  5. 5:08Student Model Diversity
  6. 6:09Attack on Deployment
  7. 6:40Whitebox vs Blackbox
  8. 7:51New Attack Model
  9. 8:51Attack Example
  10. 11:04Testing
  11. 11:53Fingerpainting
  12. 13:11Intuition
  13. 14:54Results
  14. 15:49Top Questions
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