How secure is the U.S. communications network?

A simple snip of a few fiber-optic communications cables left thousands of people in Silicon Valley and throughout parts of the San Francisco Bay Area without phone, Internet, or wireless service for more than 12 hours on Thursday. Now that the network is up and running again, people are asking how difficult is it to take down the nation's communications network? And should we be more worried about the fiber optic cables that ring our communities and crisscross the country carrying all of our communications?

Read More