Hackers have successfully penetrated the sacred grounds of Twitter, Gmail, and now, for the first time... the iPad. But if you want to know when to *really* start panicking about the little men inside your computer, there's a simple rule to help you out: just listen for "cyber." 

Cyber-warfare. Cyber-espionage. Cyber-terrorism. Viruses might be annoying, but they're not going to do much damage outside of the virtual world. In this video, Science in Seconds explores some worst case scenarios.

_{Host: Brit Trogen}

_{Photo credits: Mike Elgan, Anthony Ha, Jim Coleman, China Digital Times, NASA, Justgethtere.us, and Wikimedia user Eduloqui}

_References:

_{http://www.wired.com/dangerroom/}

_{http://www.sciencedaily.com/videos/2008/0407-protect_yourself_from_computer_hackers.htm}

<sub>http://www.independent.co.uk/news/world/americas/hacker-intrusion-on-us-power-grid-sparks-security-fears-1666392.html

http://techcrunch.com/2009/12/17/twitter-reportedly-hacked-by-iranian-cyber-army/</sub>