Ethernet LEDs Can Be Used to Exfiltrate Data From Air-Gapped Systems
A researcher from the Ben-Gurion University of the Negev in Israel has published a paper describing a method that can be used to silently exfiltrate data from air-gapped systems using the LEDs of various types of networked devices.
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Story added 23. August 2022, content source with full text you can find at link above.