The threat to U.S. airports from terror groups such as al-Qaeda and Islamic State is expected to grow, a former high-ranking intelligence official said Thursday.
Two explosions rocked Istanbuls Ataturk Airport late Tuesday, killing at least 41 people in an attack that a Turkish official blamed on three suicide bombers.
The terrorist threat against the U.S. remains dangerous 10 years after the 9/11 Commission issued its first report -- only now the risk is greater online.
Click to see the Top 10 costliest terror attacks in recent history by insured property losses, as comprised by Swiss Re and the Insurance Information Institute.
The risk of a major terrorism attack in the U.S. is lower for 2013 than it was for 2012 due to changes in the global terrorism landscape including the death of Osama bin Laden and one of his deputies, according to Risk Management Solutions.