[adrianwaj]

With the internet you can take on the DoD. If you know what you're doing, you can hack the DoD in such a way. Transparency all the way: look how Wikileaks are being so open on Twitter, look how we're all discussing it.

[TeHCrAzY]

You'll have a hard time hacking past an air gap.

[rdtsc]

Actually that is the most effective kind of hacking -- past an air gap between people not between a person and a machine connected by a wire.

The most serious breaches of security are the ones done by insiders, agents and whistle-blowers, not by hacking a network or crypto protocol.