Exfiltrate All The Things!
summary
Researchers present methods for exfiltrating data from air-gapped systems using covert channels based on visible light and NFC/BLE devices. They explain airgaps and existing exfiltration techniques, then demo two novel approaches: abusing a Bluetooth Low Energy IoT light bulb to encode data in reflected visible light readable by a smartphone, and extending NFC range to transmit information through walls.
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chapters (4)
- 0:00Introduction
- 10:19Data exfiltration basics
- 22:51Real-world exfiltration cases
- 35:08Defending against exfiltration
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