Cyber warfare man. It's scary as hell.
Honestly, most of our systems have already been cracked by foreign agents (No, I'm not spreading fear, wait a bit.) Power grid, agencies, they've all been breached to some degree or another.
Here's the good news: They haven't hit us deep yet, and probably won't. In order to get enough access to deal any real damage, they'd have to steal either hundreds of low level accounts or a few high level ones, and believe me, that's hard to do.
No matter what the media says, we're currently not in any danger of major cyber-terrorism. And we probably won't be, at least for a long while.
Also, here's how you'd embed that video:
Quote this post to see the code I used.