Today, a revolution in software technology that allows for the highly automated and instantaneous analysis of enormous volumes of digital information has transformed the N.S.A., turning it into the virtual landlord of the digital assets of Americans and foreigners alike. The new technology has, for the first time, given America’s spies the ability to track the activities and movements of people almost anywhere in the world without actually watching them or listening to their conversations…
While once the flow of data across the Internet appeared too overwhelming for N.S.A. to keep up with, the recent revelations suggest that the agency’s capabilities are now far greater than most outsiders believed. “Five years ago, I would have said they don’t have the capability to monitor a significant amount of Internet traffic,” said Herbert S. Lin, an expert in computer science and telecommunications at the National Research Council. Now, he said, it appears “that they are getting close to that goal.”…
“We can find all sorts of correlations and patterns,” said one government computer scientist who spoke on condition of anonymity because he was not authorized to comment publicly. “There have been tremendous advances.”…
Watson-style computing, analysts said, is precisely the technology that would make the ambitious data-collection program of the N.S.A. seem practical. Computers could instantly sift through the mass of Internet communications data, see patterns of suspicious online behavior and thus narrow the hunt for terrorists.
Both the N.S.A. and the Central Intelligence Agency have been testing Watson in the last two years, said a consultant who has advised the government and asked not to be identified because he was not authorized to speak.
Industry experts say that intelligence and law enforcement agencies also use a new technology, known as trilaterization, that allows tracking of an individual’s location, moment to moment. The data, obtained from cellphone towers, can track the altitude of a person, down to the specific floor in a building. There is even software that exploits the cellphone data seeking to predict a person’s most likely route. “It is extreme Big Brother,” said Alex Fielding, an expert in networking and data centers.
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