Leidos helps the U.S military, Department of Defense, and federal law enforcement respond to some of the biggest threats to keys areas of our national security, including intelligence surveillance and reconnaissance, integrated systems, mission support, and cybersecurity measures. Leidos develops products and applied technologies for anti-terrorism and Homeland Security efforts – inspection systems to scan cargo for contraband, portable X-ray systems to inspect suspect packages, even software to assess the human consequences of technological and natural disasters​.