I am looking to buying a small mechanical keyboard for on the go and to use it with various office computers. The ones I like are the Ducky Mini and KBParadise V60. The former has a ARM Cortex-M3 processor embedded which can even receive firmware updates. I have not found anything on the latter.
With the Bad USB issues in mind where USB Sticks can receive a bad firmware that does malicious things with the data, I am a little cautious. The Ducky Mini is probably updated using some Windows tool and I have not read anything about having to about security.
It seems to me that anyone could write an “update” for this keyboard and turn it into a keylogger. Is any keyboard with sufficient processor a security risk? Would an employer be unhappy if I bring that keyboard to work?
On the other hand, are normal keyboards simple enough to prevent such an attack? If I buy the other one, can I feel on the safe side?