Homeland Security Department officials plan to release the department’s solicitation for an enterprise data network by the end of the year. The Homeland Security Data Network (HSDN) will handle all data for the department. Given the many missions within the department — including some that are not related to homeland security — there will be subdomains, but the aim is to have everyone working on the same infrastructure as quickly as possible, Steve Cooper, chief information officer at the department, said today. He was speaking at a breakfast sponsored by Input in Arlington, Va. Full Story