My smartphone has a wire that plugs into a little box on the mopboard of my family room.....do I have to worry????
However, this kind of things tend to catch up with people if left unattended. The computer hacking is a lucrative industry which is very competitive. Their legion is growing, and so many new arrivals may decide they will go after lower priority targets with small return, but if they target enough number of them, they can make decent money.