People are mostly focused on defending the computers on the Internet, and there's been surprisingly little attention to defending the Internet itself as a communications medium. [We] need to pay some more attention to that, because it's actually kind of fragile.

Source: "The Internet Could Crash. We Need a Plan B." TED2013. Feb. 2013. Conference Presentation. Additional Information: This quote means that people worry too much about cyberattacks (hackers attacking computers or other systems via the Internet) and not enough about the Internet itself failing or being attacked. In the TEDTalk that is the source of this quote, Danny Hillis' "The Internet Could Crash. We Need a Plan B," Hillis argues that the Internet's infrastructure is vulnerable and could potentially fail -- and that we are not prepared for this possibility. Watch the full TEDTalk here: Danny Hillis - The Internet Could Crash. We Need a Plan B

“The Internet Could Crash. We Need a Plan B.” TED2013. Feb. 2013. Conference Presentation.