National Security Agency | Central Security Service Skip to main content (Press Enter). Toggle navigation National Security Agency/Central Security Service NSA/CSS Search Search NSA: Search Search NSA: Search About Leadership Mission & Combat Support Cybersecurity Signals Intelligence Central Security Service Locations Cybersecurity Collaboration Center Research Diversity, Equity, Inclusion & Accessibility Press Room Cybersecurity Advisories & Guidance Telework and Mobile Security Guidance Press Releases & Statements News & Highlights Declassification & Transparency Initiatives Research Publications Careers History National Cryptologic Museum Cryptologic History National Cryptologic Memorial Generating foreign intelligence insights. Applying cybersecurity expertise. Securing the future. We leverage our advantages in technology and cybersecurity consistent with our authorities to strengthen national defense and secure national security systems. Experience NSA Our Mission Cybersecurity NSA Cybersecurity prevents and eradicates threats to U.S. national security systems with a focus on the Defense Industrial Base and the improvement of our weapons’ security. Through our Cybersecurity Collaboration Center, NSA partners with allies, private industry, academics, and researchers to strengthen awareness and collaboration to advance the state of cybersecurity. Learn More Signals Intelligence NSA provides foreign signals intelligence (SIGINT) to our nation's policymakers and military forces. SIGINT plays a vital role in our national security by providing America's leaders with critical information they need to defend our country, save lives, and advance U.S. goals and alliances globally. Learn More Aligning for Success Research NSA invests in a world-class workforce and partnerships with academia and industry to deliver capabilities that secure the nation’s future. LEARN MORE Academics NSA partners with schools to help cultivate the next generation of experts in science, technology, engineering, math, language and analysis to protect the nation. LEARN MORE Business NSA has a wide range of requirements and we need industry's help in fulfilling our mission. LEARN MORE News & Highlights An image of the “Jefferson Cipher," a small brown cylinder mounted on four legs, displayed in a glass case World’s Oldest True Cipher Device, the “Jefferson Cipher,” o... Thomas Jefferson, third president of the United States, had a deep interest in cryptology. He exchanged encrypted letters with friends, and... Read More NSA 2022 Cybersecurity Year in Review Graphic. See how we scale Cybersecurity. NSA Publishes 2022 Cybersecurity Year in Review The National Security Agency published its 2022 Cybersecurity Year in Review today to share its mission focuses and demonstrate how it is... Read More ESF Potential Threats to 5G Network Slicing ESF Members NSA and CISA Provide Threat Assessment, Best Pra... FORT MEADE, Md. — Today, Enduring Security Framework (ESF) partners, along with experts from the National Security Agency (NSA) and... Read More An infographic on a blue and red gradient background titled "Four Reports to Help Secure Department of Defense Microelectronics" NSA Releases Series on Protecting DoD Microelectronics From ... The National Security Agency’s Joint Federated Assurance Center (JFAC) Hardware Assurance Lab publicly released four Cybersecurity Technical... Read More National Cryptologic Museum The National Cryptologic Museum is NSA’s gateway to the public and educates visitors about the role of cryptology in shaping history. The NCM collects, preserves, and showcases unique cryptologic artifacts and shares the stories of the people, technology, and methods that have defined cryptologic history. EXPLORE THE MUSEUM NSA.GOV About Leadership Cybersecurity Collaboration Center National Cryptologic Museum Contact NSA Accessibility ABA Notice Site Policies CULTURE Core Values Operating Authorities Civil Liberties, Privacy, & Transparency Office Diversity, Equity, Inclusion, & Accessibility General Counsel NSA Inspector General HELPFUL LINKS NSA Freedom of Information Act Privacy Act Requests Request a Speaker Prepublication Review Media Inquiry Frequently Asked Questions RESOURCES Classified Materiel Conversion Commercial Solutions for Classified Program (CSfC) Cryptographic Support Services Media Destruction Guidance NSA Open Source NSA Exhibit Roadshow RELATED LINKS DNI.gov Defense.gov IC on the Record Intelligence.gov NSA.GOVAboutLeadershipCybersecurity Collaboration CenterNational Cryptologic MuseumContact NSAAccessibilityABA NoticeSite PoliciesCULTURECore ValuesOperating AuthoritiesCivil Liberties & PrivacyDiversity, Equity, Inclusion, & AccessibilityGeneral CounselNSA Inspector GeneralHELPFUL LINKSNSA Freedom of Information ActPrivacy Act RequestsFrequently Asked QuestionsRequest a SpeakerPrepublication ReviewMedia InquiryRESOURCESCommercial Solutions for Classified Material (CSFC)Media Destruction GuidanceClassified Materiel ConversionCross Domain ServicesNSA Open SourceNSA Exhibit RoadshowRELATED LINKSDNI.govDefense.govIC on the RecordIntelligence.gov Privacy & Security Links Disclaimer Section 508 Web Policy Plain Writing Act DOD IG No FEAR Act Imagery Use FOIA Open GOV Strategic Plan USA.gov Small Business Act Site Map Hosted by Defense Media Activity - WEB.mil PreviousNextSlideshow