The Defense Threat Reduction Agency (DTRA) has bought access to netflow data. The tool covers more than 90 percent of the world's internet data and can trace activity through virtual private networks.

A U.S. government agency tasked with supporting the nation’s nuclear deterrence capability has bought access to a data tool that claims to cover more than 90 percent of the world’s internet traffic, and can in some cases let users trace activity through virtual private networks, according to documents obtained by 404 Media.