Now, how can private sector businesses join the fight?

In addition to its research into cybercrime, terrorism and security threats worldwide, the George Washington University’s Center for Cyber & Homeland Security’s Program on Extremism homes in on extremist and terrorist threats and trends, seeking to provide empirical information that policymakers and security leaders can wrap their heads around on this complex and evolving challenge.

Sports venues for many years have been on the lookout for weapons like guns and knives at their entrance ways, and it would probably be very difficult for a bad actor to enter a stadium with a nuclear warhead.

The terrorist incident at the Ariana Grande concert in Manchester, United Kingdom, in May raised new questions of how arenas that house sporting events and other types of attractions such as concerts can ensure fan safety.

This article addresses lessons learned from selected mass casualty terror attacks in Western Europe (Nice, Paris, Brussels and Oslo) and the United States (Orlando, San Bernardino and Boston).