Abstract: Using the keyboard LEDs to send data optically was proposed in 2002 by Loughry and Umphress [1] (Appendix A). In this paper we extensively explore this threat in the context of a modern ...
If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is a senior reviewer with over a decade of experience writing about consumer tech. She has a special ...
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