Major events such as concerts, sports games, public ceremonies, political rallies and large outdoor festivals are always a draw for the public. They are also a challenge for law enforcement and security partners. These events bring large crowds to well-advertised...

Airports and other elements of critical infrastructure are attractive targets for anyone seeking to cause maximum disruption, damage, or media attention. Airports, in particular, combine three factors that make them especially exposed: Large concentrations of people...

In an earlier article, we introduced CTS-PRAS as a dedicated environment for counterterrorism planning and vulnerability assessment. Many agencies first encounter it in that context, when they are looking at high-risk sites, special events, or complex urban...

It is a bleak reality that the demand for serious counter-terrorism and attack-planning tools is growing, not shrinking. Agencies responsible for security now face a blend of threats that target large public events, VIP movements, and critical national infrastructure,...