Security researchers say broken USB security can take over Macs or PCs

The USB standard has a fundamental security flaw that allows an attacker to take over any device it is connected to, whether PC or Mac, say security researchers in a frightening piece by Wired.

Describing the proof-of-concept Karsten Nohl and Jakob Lell plan to present at the Black Hat conference next week, they say the weakness is fundamental to the way in which USB works. Rather than storing malicious files on a USB device, the researchers managed to hack the USB controller chip that enables a USB device to communicate with a computer, changing its firmware. That means it can allow absolutely any USB device, from a USB key to a keyboard, to be compromised.

 9to5Mac.

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