"Use a firewall, then," Dan suggested with a shrug, picking up half a bagel and loading it up with cheese and onions and salmon. "Heck, use a proxy. It's not like your computer is any more of a written invitation to a hacker than anyone else's."
Besides, he didn't hack computers. He hacked systems - and government ones at that - with a success rate of less than 10%. For every ten attempts, there would be maybe one that worked out. The government might've been controlling and dangerous and nonsensical, but it wasn't stupid.