The FBI says an investigation has found information to confirm North Korea's involvement in the Sony cyberattack.» Read More
Former FBI special agent Jeff Lanza discusses why he believes NSA surveillance isn't designed for transparency, and whether the broad gathering of data is effective.
CNBC's Bob Pisani and Gordon Charlop, Rosenblatt Securities, discuss the "new world era" of beefed up security in and around the NYSE and Wall Street.
CNBC's Eamon Javers reports the latest details from today's testimony before the House on the NSA surveillance program. And James Kallstrom, former assistant FBI director, addresses the issue of restoring "public trust" as well as protecting targets from terrorists.
FBI Deputy Director Sean Joyce testifies before the House and explains how government agencies were able to thwart terrorist attacks through the NSA monitoring program.
The Washington Post reports tonight that the National Security Agency and the FBI are "tapping directly into the central servers of nine leading U.S. internet companies."
A federal judge has ordered Google Inc. to comply with FBI warrantless demands for customer data.
If you want to avoid falling prey to someone like Bernie Madoff, the first and most surprising rule you should adopt: Don't trust your neighbors' referral, or your friends'.
Valentina Soria, security analyst at IHS Jane's and Richard Barrett, director at Qatar International Academy for Security Studies, discuss the Chechen link to the Boston Bombing and whether there's a case of intelligence failure.
Mark McClelland, head of North America at Maplecroft, says the Boston bombing is significant because it's the first successful Islamic attack in the U.S. since 9/11 and because of its Chechen link.
It was a dramatic two days that left one suspect in the Boston Marathon bombings dead and one alive in custody. Click ahead for images from the manhunt.
A close look at Boston bombings suspect Dzhokhar Tsarnaev's VK page, with the "Power Lunch" crew. VK is a Russian-language social media site. (2:28)
CNBC's Eamon Javers reports on the amazing technological advances that have occurred since the last major manhunt. A face recognition technology can help identify suspects. Jim Wayman of National Biometric Center, weighs in.
Boston has remained under lockdown now for several hours, with CNBC's "Power Lunch" crew. Former FBI Swat Team senior member Kevin Knierim, offers insight on the training that takes place for the Swat Team members for this type of manhunt.
Discussing the danger Boston bombings suspect Dzhokhar Tsarnaev may pose to the public and law enforcement officials, with Richard Hahn, counterterrorism & forensics explosives expert.
Boston Globe Reporter David Abel spoke with neighbors and the roommate of slain Patrol Officer Sean A. Collier.
Authorities continue to look for Dzhokhar Tsarnaev, who is believed to be one of the bombers in the Boston Marathon, reports CNBC's Scott Cohn.
CNBC's Bill Griffeth reports the latest on the lockdown in the Boston area.
In this media briefing on the Boston Marathon bombings, Massachusetts Governor Deval Patrick, Boston Mayor Thomas Menino and other Boston officials, speak on the latest developments in the search for Dzhokhar Tsarnaev.
WNBC-TV Jonathan Dienst reports the deceased Boston bombings suspect Tamerlan Tsarnaev was out of the country for 6 months in 2012. Clark Ervin, former inspector general of U.S. homeland security; CNBC's Geof Cutmore; and Larry Johnson, Former counterterrorism official, provide perspective.
Mitchell Silber, K2 Intelligence, weighs in on how shocked the U.S. should be that the Boston bombings suspect Dzhokhar Tsarnaev received education in the U.S.