Security researchers reveal it is possible to eavesdrop on HDMI cables to capture computer screen data

A trio of computer security researchers at Universidad de la República Montevideo, in Uruguay, reports that it is possible to reproduce text on a computer screen by eavesdropping on its HDMI cable. Santiago Fernández Emilio Martínez, Gabriel Varela, and Pablo Musé Federico Larroca, have published a paper describing their discovery on the arXiv preprint server.

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