The Bulk Collection of Signals Intelligence: Technical Options study is a result of an activity called for in Presidential Policy Directive 28 (PPD-28), issued

"A result of an activity called for in Presidential Policy Directive 28 (PPD-28), issued by President Obama in January 2014, to evaluate U.S. signals intelligen

The official report that has shaped the international debate about NSA surveillance "We cannot discount the risk, in light of the lessons of our own history, th

Safeguarding Our Privacy and Our Values in an Age of Mass Surveillance America’s mass surveillance programs, once secret, can no longer be ignored. While Edwa

Provides an unclassified reference handbook which explains the categories of intelligence threat, provides an overview of worldwide threats in each category, an