Real Hacker vs Movie Hacker

real hacker: So you say you're gonna break into our local nuclear power plant? I really don't think that's possible

movie hacker: *types a few keystrokes* I'm in

real hacker: But the power plant's computers aren't even connected to the internet

movie hacker: I said I'm in. Now I'll cause a meltdown *types a few keystrokes* Done

real hacker: What do you mean done? There have to be many redundant safeguards in place to stop a meltdown. In any case, a meltdown would take time.

movie hacker: Want me to break into the CIA next?

real hacker: I don't even think you should attempt to...

movie hacker: *types a few keystrokes* Too late. I'm in