Researchers devise how to steal the encryption keys in smart cards and smartphones by video recording the devices' power LEDs with some real-world limitations (Dan Goodin/Ars Technica)

Dan Goodin / Ars Technica:
Researchers devise how to steal the encryption keys in smart cards and smartphones by video recording the devices' power LEDs, with some real-world limitations  —  Key-leaking side channels are a fact of life.  Now they can be done by video-recording power LEDs.

from Techmeme https://ift.tt/4PzIKL9