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[–] 2716057 1 point 7 points (+8|-1) ago 

This is not what they mean. Microsoft-branded keyboards and mice all use the same (lack of) encryption, so this device can snoop on the transmission between the keyboard and USB dongle.

The firmware you're using on your computer (Linux, OSX, BSD, etc.) is irrelevant. You could use a Microsoft keyboard on a Linux machine, and the Teensy would still pick it up.

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[–] Kal 0 points 3 points (+3|-0) ago 

so this device can snoop on the transmission between the keyboard and USB dongle.

Ahh, you're talking about a wireless keyboard. I suppose that's plausible if there was a target they wanted to snoop on. They could get within wireless range, which could be tricky.

I don't see how the info could just phone home over the internet, however (which is what I thought you meant.)

Opening a Windows command prompt is the foundation for all our attacks.

Teensy seems to be all about windows from the skimming of the artice I've done.

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[–] [deleted] 1 point 0 points (+1|-1) ago  (edited ago)

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[–] 2716057 2 points 0 points (+2|-2) ago 

It makes perfect sense. The Teensy injects itself between your Microsoft-branded keyboard, and its USB dongle. It doesn't matter if the dongle is connected to a MacBook, Linux machine, or Windows machine.

This is why the firmware you're running on your computer is irrelevant. It's the firmware that's on your wireless keyboard that makes a difference.