KeySweeper, a device which can sniff, de-crypt, log, and report back
keystrokes for wireless keyboards has been released by Poland-based
security researcher Samy Kamkar. The device resembles a large USB wall
charger and it tracks everything you type on a keyboard which could
range from passwords to credit card details. Once the device is
connected, hackers can remotely decrypt, log and sends keystrokes using a
unique software.
Daily Mail reported that, the technology can be
configured to record everything, and even send a text alert to the
hacker if a certain combination of keys is pressed. And even if
KeySweeper is unplugged, an internal battery will keep it running.
The device has a maximum range as spotted on Bluetooth devices at
around 20 feet. The report further added that Kamkar used Microsoft
keyboards in particular, as they use the same protocol encryption, which
means that once he has decrypted one, he could decrypt others.
When certain keywords are entered such as ‘password’ or ‘confidential’ or either ‘hdfcbank.com’,
messages are sent to the operator. People wouldn’t even realise that
they are being spied upon as the device simply looks like a USB charger
plugged into a wall.
The device can apparently decrypt any
Microsoft keyboard nearby without having to specify its MAC address. A
source code has been released along with the instructions for building a
KeySweeper. The brainchild behind the device has advised people working
with it without an electrical background.
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