https://penturalabs.wordpress.com/2013/09/04/bluetooth-sniff...
https://penturalabs.wordpress.com/2014/02/20/ubertooth-updat...
As far as I can tell, bluetoooth keyboards should be a bit better off. Not sure how the "secure" modes work (presumably some kind of DH-exchange?) - but apparently they're not immune to brute forcing.
https://penturalabs.wordpress.com/2013/09/04/bluetooth-sniff...
https://penturalabs.wordpress.com/2014/02/20/ubertooth-updat...
As far as I can tell, bluetoooth keyboards should be a bit better off. Not sure how the "secure" modes work (presumably some kind of DH-exchange?) - but apparently they're not immune to brute forcing.