In recent years significant work has been undertaken by both national and local government agencies to protect critical data and infrastructures from cyber attacks. As a result, many Homeland Security solutions have been newly developed and deployed, requiring the design of new computer systems technologies, as well as techniques allowing security procedures to be executed on many different are...

Localization of radioactive hot spots is nowadays a major issue for Homeland Security to avoid illegal transit of radiological material or manage post-accidental events. In this context, CEA LIST Institute designed a new gamma camera, called GAMPIX, based on the association of a semiconductor detector with a coded mask. GAMPIX is currently under industrialization by AREVA CANBERRA under the nam...

Since the terrorist attacks of September 11, 2001, “homeland security” has become the centerpiece of U.S. domestic and foreign policies. The number of terrorists is a tiny fraction of all the people who live in or enter the U.S. However, given the enormous consequences of a repeat of the September 11 attacks, all non-terrorists have been subjected to security measures. The cost of all the secur...

Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including s...