A library in a small New Hampshire town started to help Internet users around the world surf anonymously using Tor. Until the Department of Homeland Security raised a red flag.
Computer scientists devise a method to unmask users of the world's leading Internet anonymity software—and how to fix the problem.
In an age of ubiquitous surveillance, there are still some things you can do to keep your communications private—and not all of it is high-tech.
If you downloaded the privacy software Tor in 2011, you may have been flagged to be spied on.