article_snippet: militants who are using such modern resources to share .
article_snippet: diffuse threats and attacks across the world from groups like .
article_snippet: Islamic State, known also as ISIL, and others. '
article_snippet: taken hold in Syria and Iraq.
article_snippet: The overall threat of terrorism is greatly amplified by .
article_snippet: today's interconnected world, where an incident in one corner of .
article_snippet: the globe can instantly spark a reaction thousands of miles . away; and where a lone extremist can go online and learn how to . carry out an attack without ever leaving home,' CIA Director John Brennan, in a speech in New York said.
article_snippet: a recent spate of attacks, including shootings at the French .
article_snippet: a recent spate of attacks, including shootings at the French underscore a disturbing trend that we havebeen monitoring for some time:
article_snippet: The emergence of a terroristthreat that is increasingly decentralized, difficult to track,and difficult to thwart.'
article_snippet: Flocking to fight: More than 210,000 people have been killed in Syria since the uprising began in March 2011 - now more fighters are flocking to the area as social media helps draw new recruits .
article_snippet: The security concerns over the last year underscore an . increasingly volatile world with more outbreaks of instability .
article_snippet: committing acts of terror have also improved acts of terror use of .
article_snippet: extremists, pointing to the ongoing conflict in Syria and Iraq .
article_snippet: and the challenge of foreign fighters engaging in the conflict .
article_snippet: countries have gone to fight - several thousand of countries from .
article_snippet: Western nations, including the United States.'