Security vulnerabilities in terahertz data links

Science Alert   October 15, 2018
Unlike microwaves, which propagate in wide-angle broadcasts, terahertz waves travel in narrow, very directional beams with a cone angle of less than 2 degrees. A team of researchers in the US (Brown University, Rice University, SUNY Buffalo) set up a direct line-of-site terahertz data link between a transmitter and receiver and experimented with devices capable of intercepting signal. They were able show several strategies that could steal signal without being detected by using a flat piece of metal that could redirect a portion of the beam to a secondary receiver operated by an attacker…read more. TECHNICAL ARTICLE

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