I can't believe no one has suggested this yet: this is the PERFECT argument for two-factor authentication. He's even already sending texts to himself.
For every new connector, send some sort of code to your phone, and require it to be inputted back into the computer before any access is given whatsoever. Summarily disregard every single connection and command given without this code re-input.
You're even most of the way there: if you're sending messages to yourself, you might as well implement this behavior with it.
For every new connector, send some sort of code to your phone, and require it to be inputted back into the computer before any access is given whatsoever. Summarily disregard every single connection and command given without this code re-input.
You're even most of the way there: if you're sending messages to yourself, you might as well implement this behavior with it.