NBC News and Glenn Greenwald report: British spies have developed “dirty tricks” for use against nations, hackers, terror groups, suspected criminals and arms dealers that include releasing computer viruses, spying on journalists and diplomats, jamming phones and computers, and using sex to lure targets into “honey traps.”

Documents taken from the National Security Agency by Edward Snowden and exclusively obtained by NBC News describe techniques developed by a secret British spy unit called the Joint Threat Research and Intelligence Group (JTRIG) as part of a growing mission to go on offense and attack adversaries ranging from Iran to the hacktivists of Anonymous. According to the documents, which come from presentations prepped in 2010 and 2012 for NSA cyber spy conferences, the agency’s goal was to “destroy, deny, degrade [and] disrupt” enemies by “discrediting” them, planting misinformation and shutting down their communications.

Both PowerPoint presentations describe “Effects” campaigns that are broadly divided into two categories: cyber attacks and propaganda operations. The propaganda campaigns use deception, mass messaging and “pushing stories” via Twitter, Flickr, Facebook and YouTube. JTRIG also uses “false flag” operations, in which British agents carry out online actions that are designed to look like they were performed by one of Britain’s adversaries. [Continue reading…]