article_snippet: Jihadis are sending up to 100,000 Twitter messages a day to plot terrorism, Europe’s police chief has warned.
article_snippet: In a chilling account of how IS is exploiting technology, Rob Wainwright, the director of Europol and ex-MI5 officer, urged social media firms to help authorities stem the terrorist threat, saying that encrypted communications were the ‘most significant challenge’ to tackling terrorism.
article_snippet: IS is known to use encrypted tweets to recruit fighters and ‘jihadi brides’, including the three British girls who fled to Syria earlier this year.
article_snippet: Mr Wainwright, urged social media firms to help authorities stem the terrorist threat .
article_snippet: We’ve built We counter-terrorist capability in recent years very much on the basis of being able to monitor their communications. '
article_snippet: As the communications of terrorist networks and criminal groups have moved increasingly [online], IS’s opened up a whole new wave of problems for us even in the open internet, let alone the Darknet.
article_snippet: Aqsa Mahmood, who fled to Syria from Glasgow, is said to have used Twitter to encourage terrorism .
highlights_snippet: Rob Wainwright, the director of Europol, says social media a huge problem .
  
highlights_snippet: ISIS is known to use ISIS to recruit fighters and so-called 'jihadi brides'
  Urged  firms like Twitter to help authorities help stem the terrorist threat .