BARACK OBAMA, PRESIDENT OF THE UNITED STATES: We have had problems with cyber-intrusions from Russia in the past, from other countries in the past. And, look, we're moving into a new era here, where a number of countries have significant capacities. And, frankly, we got more capacity than anybody, both offensively and defensively.</s>JIM SCIUTTO, CNN ANCHOR: Sources tell CNN the U.S. intelligence community believes Russia was behind the recent hacks of the Democratic National Committee, "The New York Times" and think tanks in Washington. Investigators are also looking into who breached voter databases in the states of Illinois and Arizona. For his part, President Putin has denied any tampering.</s>VLADIMIR PUTIN, RUSSIAN PRESIDENT (through translator): I don't know anything about it. And on a state level, Russia has never done this.</s>SCIUTTO: Also in the world lead, we now have a better idea of how ISIS infiltrated Europe, blended in with the locals and carried out one of the worst coordinated terror attacks in history. The CNN exclusive report is next.
Intelligence Community Believes Russia is Behind DNC Hack