CNN's Jill Dougherty reports on the increased rhetoric and threats coming out of North Korea.
Obama sends message on foreign policy in second term with top national security picks, CNN's Barbara Starr reports.
In an interview with CNN's Wolf Blitzer, Sen. John Cornyn (R-TX) explains why he is opposed to former Sen. Chuck Hagel becoming Secretary of Defense.
Cornyn says Hagel is "profoundly wrong on some of the biggest national security threats confronting the United States today, namely a nuclear Iran."
"This is a wrong job for him," Explained Cornyn, "because he's certainly outside of the national security mainstream."
What do you think about President Obama's decision to nominate Hagel as Secretary of Defense?
Watch the full interview at 5pm ET Monday on CNN.
Did Petraeus' relationship with Paula Broadwell put national security at risk? CNN's Suzanne Kelly reports.
RELATED STORY: Assessing security implications of Petraeus' infidelity
By Jamie Crawford
While it was one of 11 missions carried out by U.S. Special forces that night, the head of U.S. Special Operations command said the raid that killed Osama bin Laden will go down as one of the "great intelligence operations in history."
Admiral William McRaven spoke Wednesday before an audience at the Aspen Institute Security Conference on a panel discussion moderated by CNN's Wolf Blitzer. The talk was his first interview about the raid with a journalist.
To watch more of Wolf Blitzer’s interview with Admiral William McRaven, tune to “The Situation Room with Wolf Blitzer” on CNN Thursday 4-7pm ET and Saturday 6-7pm ET.
Wolf Blitzer asks Peter Bergen & Walter Isaacson if our national security is at risk in wake of the Colorado shooting.
By Suzanne Kelly
The Obama administration publicly justified its use of unmanned drones to target suspected terrorists overseas for the first time Monday, with a top official saying the strikes are conducted "in full accordance with the law."
John Brennan, President Barack Obama's top counterterrorism adviser said strikes are used when the option of capture is not feasible. Brennan discussed the strikes during a Monday address at the Woodrow Wilson Center, a Washington think-tank.
"President Obama said here five years ago, if another nation cannot or will not take action, we will," Brennan said. "And it is an unfortunate fact that to save many innocent lives we are sometimes obliged to take lives – the lives of terrorists who seek to murder our fellow citizens."
Full post on CNN Security Clearance blog
By Peter Bergen, CNN National Security Analyst
Editor's note: Peter Bergen, CNN's national security analyst, is a director at the New America Foundation. His book "Manhunt: The Ten-Year Search for Bin Laden; From 9/11 to Abbottabad" will be published on May 1.
Washington (CNN) – Tapping away at his computer in the study of the suburban compound in Abbottabad, Pakistan, that he called home for the last years of his life, Osama bin Laden wrote memos urging his followers to continue to try to attack the United States, suggesting, for instance, they mount assassination attempts against President Obama and Gen. David Petraeus.
While he urged his organization on to attack America, bin Laden was also keenly aware that al Qaeda was in deep trouble because of the campaign of CIA drone strikes in Pakistan and also because the brutal tactics of his followers had alienated many Muslims.
By Dugald McConnell and Brian Todd
The militant group Hezbollah claims it has blown the cover of 10 alleged CIA officers working in Lebanon.
In the latest round of an escalating spy war, Hezbollah's media arm, al Manar, posted a video Friday accusing the CIA of running espionage operations from the diplomatic cover of the U.S. Embassy in Beirut. It discloses the alleged names of the current CIA station chief (including his birthdate), the former station chief, and three other officers, as well as code names for five others.