Current technologies like binoculars, cameras, and portable radars can help to improve visibility and increase the threat detection rate.

ENGADGET: DARPA threat detection technology uses a camera to see targets, software and soldier brains to identify them

By improving the sensors that capture imagery and filtering results, a human user who is wearing an EEG cap can then rapidly view the filtered image set and let the brain's natural threat-detection ability work.

ENGADGET: DARPA threat detection technology uses a camera to see targets, software and soldier brains to identify them

White-listing, virtualization security, threat intelligence, beaconing detection, and APT mitigation are all fields that are growing rapidly.

FORBES: Symantec Does NOT Need Better Operations. It Needs Innovation.

Their reports on school violence advise instituting techniques of early detection and threat assessment as the means most likely to succeed in stopping school killings.

FORBES: Searching For Hard Data On Guns And Violence

It is also woefully unprepared to stop such attacks, and only now has the threat become so great that increased attention and funding is being directed at detection and prevention.

FORBES: What Would You Do If Nothing Works?

America has long been urging its Gulf allies to take seriously the threat of Iranian and Iraqi ballistic missiles, and has now offered to share data from its early-warning detection satellites.

ECONOMIST: The Gulf