Whether you wear a medal-bedecked uniform or a pinstriped suit to work, Northrop Grumman Information Systems is ready to serve you. The Information Systems segment of defense contractor Northrop Grumman, the company provides a litany of services and systems to military and civilian government agencies. It operates primarily through three business areas: defense systems (military communications and battle management), intelligence systems (systems development/integration and cyber defense), and civil systems (secure communications networks and data processing) for IT security and other services to non-military government agencies. Major customers include the DoD and the Department of Homeland Security.