A new attack method named COVID-bit uses electromagnetic waves to transmit data from air-gapped systems isolated from the internet over a distance of at least two meters (6.5 ft), where its captured by a receiver.

https://www.bleepingcomputer.com/news/security/air-gapped-pcs-vulnerable-to-data-theft-via-power-supply-radiation/

Air-gapped PCs vulnerable to data theft via power supply radiation

A new attack method named COVID-bit uses electromagnetic waves to transmit data from air-gapped systems isolated from the internet over a distance of at least two meters (6.5 ft), where its captured by a receiver.

BleepingComputer

@BleepingComputer

This was basically the technical plot for the Pine Gap series. I believe that modulated VGA frequencies to achieve a similar result 🙂