As the present period of U.S.-Russian tensions progresses, the conflict will begin to manifest itself in the increased use of militant proxies.

Efforts by radical anarchists to disrupt the Republican National Convention provide us with the opportunity to examine the broader operations of the so-called RNC Welcoming Committee, tactics of the anarchist movement in general, and the law enforcement response.

Increased tension between Russia and the West following the recent conflict in Georgia is more than likely to result in heightened intelligence efforts by Moscow. These efforts could have a big impact on Western businesses.

Rumors of planned attacks on U.S. soil have arrived later in the year than they typically do, but some differences in this latest batch have piqued our interest.

The arrests in recent days of suspects tied to two bomb attacks in India provide an opening to examine connections between those incidents and others in the country and their ties to an organization calling itself the Indian Mujahideen.

Recent setbacks for high-level al Qaeda figures in Pakistan underscore the emergence of the threat from grassroots terrorists.

Islamist Uighur militants, who China says pose the biggest threat to the upcoming Olympic Games, have in recent years expanded their connection to the wider jihadist movement.

Despite testimony given July 22 by the U.S. Department of Homeland Security’s top medical officer that a biological attack on the United States would result in the deaths of hundreds of thousands of victims, such attacks -- especially with anthrax -- are much more difficult to execute than most people realize.

A decision two weeks ago by the Denver Water Board to close a road running over Dillion Dam provides an opening to examine the factors and feasibility involved in a potential threat to contaminate the water supply there or elsewhere.

The flap caused by the closure of a road over a dam in Colorado due to security concerns provides an opportunity to revisit jihadist militants' ability to operate inside the United States and the type of targets they might attack.