Terrorism via backhoe

"The Backhoe: a real cyberthreat" reports out how a backhoe digging into a wrong area cut a cable which disconnected millions of cell users!

Few weeks back a whole section of Austin (few blocks worth including a mall) had its lights taken out due to a squirrel shorting some line. Imagine releasing thousands of squirrels at key power substations in the U.S.?

You don't need high explosives or take over a 747 Jet to cause serious damage....