Browse Items (626 total)

This document is an appendix to United States Signals Intelligence Directive 18. It prescribes policies and procedures, and assigns responsibilities to ensure that the NSA's signals intelligence activities are aligned with the U.S. Constitution's 4th…

This document is also known as United States Signals Intelligence Directive 18. It prescribes policies and procedures, and assigns responsibilities to ensure that the NSA's signals intelligence activities are aligned with the U.S. Constitution's 4th…

This document is a memo prepared by an official within the NSA's Signals Intelligence Directorate (SID). It raises the concern that the structure of SID's SIGINT intelligence gathering operations may affect the cognitive biases of officers within…

This document is a memo created by an official within the Signals Intelligence Directorate (SID) of the NSA. In it, the author describes "analysis paralysis", a situation where over analysis hinders developing coherent action. The article then goes…

This document is an extract from notes for an internal NSA presentation. It describes key achievements made by the NSA's Signals Intelligence Directorare (SID) in 2013. Mention is made of the trilateral agreement existing between the NSA, GCHQ and…

This document is an internal memo created by the NSA's Signals Intelligence Directorate. It describes new procedures that permit analysts to perform "contact chaining", the analysis of American's networks of online associations for foreign…

This document is a report created by the NSA's Signals Intelligence Directorate (SID)'s Office of Oversight and Compliance. This report evaluates the incidents of "incidents" (described as "collection, dissemination, unauthorized access, and…

This is an NSA document from the internal newsletter SIDtoday. It is written by Teresa H. Shea, Director, Signal Intelligene Directorate, and gives general congratulations to the 'SIGINT Enterprise' for a successful 2011, with a focus on their work…

This document is a report authored by members of the NSA's Signals Intelligence Directorate. It describes the NSA's efforts to encourage US officials to share their personal contact databases (called "rolodexes") to provide contact information for…

This document is an NSA report detailing the United States' preparations for the G8 and G20 Summits, held in Canada in 2010. It includes an assessment of the threat potential for the events. The NSA was not directly present at either event, but…