Re: [Trisquel-users] Basic security questions

[onpon4]

Not always, but usually you can get a pretty good idea unless the computer  
uses an SoC design. Think of it this way: if you have a keyboard connected to  
a PS/2 port, and you've verified that the keyboard doesn't have any sort of  
wireless card built into it, you know that it's only sending its data through  
that port. (I use PS/2 as an example because USB is more complicated, and  
it's possible to trick the OS into sending data it shouldn't by pretending to  
be a device that should be getting that data.)