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WaveSpy - Remote and Through-Wall Screen Attack via mmWave Sensing
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- 1 Intro
- 2 Agenda
- 3 Current Practice Compromising Reflections
- 4 Isolation secure ?
- 5 Attack Scenario: Remote and Through-wall
- 6 Screen Mechanism
- 7 Technique Challenges
- 8 Liquid Crystal Nonlinear Effects
- 9 Sensing Frequency Estimation
- 10 Preliminary Study (1/4)
- 11 Preliminary Study: PIN Theft
- 12 System Concept: WaveSpy
- 13 System Overview
- 14 The Wavelet Analysis on LCS Response
- 15 Screen Content Type Recognition
- 16 Sensitive Information Retrieval
- 17 General Security Information Inference
- 18 Evaluation Setup
- 19 On the Overall Accuracy
- 20 Impact of Display Resolution
- 21 Impact of Cover Material
- 22 Countermeasures
- 23 Discussion
- 24 Take-away
