Photo Gallery: How the Intelligence Service Cracks Internet Hubs 12/30/2013
 How the QUANTUMTHEORY system works: Slides from a top secret presentation for...
SPIEGEL ONLINE

How the QUANTUMTHEORY system works: Slides from a top secret presentation for NSA technicians and analysts, created by NSA service provider Booz Allen. According to this explanation, the main players here are the computer of the “target,” the Internet company Yahoo, an “Internet router” and a branch of the NSA division Special Source Operations (SSO). This division is responsible, among other things, for tapping international Internet connection cables, either in cooperation with major telecommunications companies or in covert operations.