We give our Customers the decisive edge by providing and protecting vital informationNSA/CSS is the nation's cryptologic organization. We are the world's best. We give our customers the decisive edge by providing and protecting vital information...from the battlefield to the White House. We protect the security of U.S. signals and information systems and provide intelligence information derived from those of our adversaries. We work with our customers to gain a better understanding of their information requirements, and then provide them the best possible cryptologic products and services.