Grand Idea Studio

Optical Covert Channels


Data exfiltration from a device is usually achieved over the network, via hardware implant, or by manipulating the characteristics of an internal electronic component. Optical covert channels transmit data using visible light in a method undetectable to the human eye.

These designs are distributed under a Creative Commons Attribution-3.0 United States license.


Optical Receiver Module (Digital):

Optical Receiver Module (Analog):



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