Boundless Informant is a big data analysis and data visualization system used by the United States National Security Agency (NSA) to give NSA managers summaries of NSA’s world wide data collection activities.
It is described in an unclassified, For Official Use Only Frequently Asked Questions (FAQ) memo published by The Guardian. According to a Top Secret heat map display also published by The Guardian and produced by the Boundless Informant program.
Data analyzed by Boundless Informant includes electronic surveillance program records (DNI) and telephone call metadata records (DNR) stored in an NSA data archive called GM-PLACE. It does not include FISA data, according to the FAQ memo.