How the NSA Snooped on Encrypted Internet Traffic for a Decade

Ars Technica, 8/19/2016

The U.S. National Security Agency (NSA) has been using an exploit in Cisco firewall software to break encryption and spy on traffic in Virtual Privacy Networks (VPNs). In the Internet age, government surveillance is more about collecting torrents of data to sift through than about focused operations, which affects businesses’ standards about when they protect communications and how.