There have been a number of recent major hacks of private information, including Colin Powell's private emails, Democratic National Committee documents and emails and Olympic athletes' medical records.
But those hacks could look minor if hackers succeed in taking down the entire internet.
Security analyst Bruce Schneier says he believes someone is trying to do that right now. He speaks with Here & Now's Meghna Chakrabarti.
Bruce Schneier, security technologist and fellow at the Berkman Center for Internet and Society at Harvard University. He also writes a blog, "Schneier on Security." He tweets @schneierblog.
This article was originally published on September 19, 2016.