his set-up. Hundreds of people/computers were pinging it (or whatever it's called) trying to hack in and bring it down. This was going on 24/7, but no one could get through his defenses.

During my visit, my toddler niece came up, saw the pretty flashing lights, opened the glass door, and firmly pressed the power button, which crashed his server.

He took it well, saying it'd given him real-world design information.

I think he'd agree with you that no system can be 100% safe.