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YouTube

Electro-optical Sound Eavesdropping

Hack In The Box Security Conference via YouTube

Overview

This course covers the topic of electro-optical sound eavesdropping, exploring how eavesdroppers can passively convert light to sound in real time to recover speech from physical and virtual conversations. The learning outcomes include understanding the Lamphone and Glowworm attacks, analyzing optical measurements, and evaluating the vulnerabilities of devices to sound eavesdropping. The course teaches skills such as conducting experiments, interpreting results, and assessing the limitations of such attacks. The teaching method involves a lecture-style presentation with detailed explanations and real-world examples. The intended audience for this course includes cybersecurity professionals, researchers, and individuals interested in privacy and security issues.

Syllabus

Intro
What is sound eavesdropping
Internal and external methods
Electro optical sound eavesdropping
Lamphon
Experiment
Results
Experiment setup
Baseline
Optical Measurements
NonSpeech Audio
Speech Audio
Conclusion
Glom Attack
Analysis
Which devices are vulnerable
Recovered signals
The Little Seal Bug
Evaluation Setup
Conclusions
Limitations
Questions

Taught by

Hack In The Box Security Conference

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