the drone had exfiltrated sensitive information by recording the morse-code-like patterns of the LED indicator. It’s a little more complicated than that, thankfully: A computer first needs to be ...

Israeli researcher Mordechai Guri has discovered a new method to exfiltrate data from air-gapped systems using the LED indicators on ... lights on the air-gapped computer's card.

The 7201 Series High Intensity LED Indicators will interface with virtually any type of access control reader or proximity device to convey door security status to system users or security personnel.