"The United States' NSA intelligence agency is interested in international payments processed by companies including Visa, SPIEGEL has learned. It has even set up its own financial database to track money flows through a "tailored
“The United States’ NSA intelligence agency is interested in international payments processed by companies including Visa, SPIEGEL has learned. It has even set up its own financial database to track money flows through a “tailored access operations” division.”
See the full article: ‘Follow the Money’: NSA Spies on International Payments (Der Spiegel, link)