ETHERLED: Air-Gapped Systems Can Send Signals via Network Card LEDs
SecureWorld News
AUGUST 24, 2022
Air-gapping a device or system is thought of as a way to isolate your device from the internet, or other public-facing networks, so that it is highly secure and untouchable to threat actors. If malware were installed on the device, it could control the LEDs by blinking and changing colors with firmware commands.
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