The Federal Bureau of Investigation has used a secretive authority to compel Internet and telecommunications firms to hand over customer data including an individual’s complete web browsing history and records of all online purchases, a court filing released Monday shows.The documents are believed to be the first time the government has provided details of its so-called national security letters, which are used by the FBI to conduct electronic surveillance without the need for court approval.
Source: U.S. government reveals breadth of requests for Internet records | Reuters