The security planning for last week's Boston Marathon included preparation for a bombing emergency.

The TSA said it is delaying the implementation of a new policy that would allow small knives on planes.

The Boston Marathon terror suspects, Tamerlan Tsarnaev, and his younger brother, Dzhokhar, are another example of the phenomenon of family-affiliated extremist and terrorist activities globally.

Last month I gave a presentation on security threats at sports events and their implications at Baskent University. Istanbul is one of three finalists for hosting the Summer Olympics in 2020.

Seeking candidates for the Rick Rescorla National Award for Resilience during the nomination period that closes on May 31, 2013 at 11:59 p.m. All nominations must be submitted by email.

Impromptu stops and rides in open-air vehicles are only two of the headaches facing Vatican security officials.

Despite growing opposition from airlines and industry unions to the TSA's new policy allowing passengers to carry small knives on planes, the agency's head said he is not backing down.

Nearly half of terrorists crossing into the U.S. to perform violent acts or escaping from the country were American citizens. 

If you are experiencing trouble getting your bank to work for you, it turns out that was not the case with Iran, the Sudan and Mexican drug cartels, who all used some world banks to launder their money.

The U.S. is ranked 41st on the new report, while 1,798 terrorism-related fatalities in 2011 alone put Iraq at the top of the list.