RAMPART-A is the code name for global mass surveillance and world-wide signals intelligence partnership program led by the United States National Security Agency (NSA).
[2][3] Aim of the program is to "gain access to high-capacity international fiber-optic cables that transit at major congestion points around the world".
[4][5] NSA is working with secret cooperation with the partner countries, which are hosting U.S. equipment and providing access to the fiber-optic cables.
[8] The program was publicly revealed in June 2014, by the Danish newspaper Dagbladet Information[3] and by The Intercept.
[2] Revelation of the program was based on as part of the leaks by the former NSA contractor Edward Snowden.