It sounds like they're doing something similar to this - https://pushstack.wordpress.com/2017/07/24/data-exfiltration-from-air-gapped-systems-using-power-line-

It sounds like they're doing something similar to this - https://pushstack.wordpress.com/2017/07/24/data-exfiltration-from-air-gapped-systems-using-power-line-communication/ https://pushstack.wordpress.com/2017/07/24/data-exfiltration... And the github page: https://github.com/dimhoff/powercom https://github.com/dimhoff/powercom