Quote:
Originally Posted by Quoth
A USB dongle can be generic BT, works with any BT mouse, headset, keyboard.
OR
A USB dongle can be proprietary 27 MHz, 49 MHz or 2.4GHz, and usually only works with device it came with (joypad, mouse, keyboard). May not be encrypted. In theory the 315 / 430 approx (USA vs elsewhere), or Euro 864 MHz (USA maybe 915 MHz?) can be used, but I've not seen mice use those.
However sometimes BT isn't secure either.
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?? So the intercept my Left Click. How do they know where on the screen it was pointing to? OTOH Yes, a unencrypted keyboard is subject to local sniffing, ant you type passwords and account numbers. After a bit of time, a picture of data use might reveal those, Just like ISBN, credit card numbers have a exact pattern. Apply the 'check' algorithm and it will validate it is a 'proper' card #.
But BT needs the sniffer to be close. Under 30' indoors.