hypnosec writes: According to data obtained by American Civil Liberties Union (ACLU), surveillance of emails and other forms of Internet communications without warrants has increased substantially over the last two years. Documents, obtained by ACLU after months of litigation, reveal that there has been a whopping 361 per cent increase in “pen register” and “trap-and-trace” orders between 2009 and 2011. ACLU has appealed to US congress to bring in more judicial oversight of pen register and trap-and-trace orders as agencies don’t require a warrant to obtain such orders.
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