LANTENNA: Exfiltrating Data from Air-Gapped #Networks via Ethernet #Cables. Putting an ordinary #radio antenna up to four metres from a category 6A Ethernet #cable and using an off-the-shelf #SDR to listen around 250MHz. > Even an unplugged Ethernet cable can radiate #energy which is detectable #reseaux #sysadmin #network #sysops #reseau #informatique