National Security Agency/Central Security Service official account, home to America's codemakers and codebreakers. Likes, retweets, and follows ≠ endorsement.

Fort Meade, MD
We remember the profound impact of 9/11 on our nation. As we reflect, follow our "25 Years Decoded: NSA & 9/11” series exploring how this event affected the NSA and our mission. First up: NSA/CSS Deputy Chaplain Luther Alexander shares his experiences. Listen in. #25YearsDecoded #NSAStories #WeWillNeverForget
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The 13th Annual NSA Codebreaker Challenge is LIVE! Join the mission and test your cybersecurity skills. Visit nsa-codebreaker.org to register and start your first phase today! #CodebreakerChallenge
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Preparing today for tomorrow’s cyber challenges. 🔐 Earlier this week at #BillingtonSummit, @NSACyber leaders Dr. Adrian Stanger and Golar Newby shared key steps: preparing for the quantum era and bringing defenders in “at the beginning” to turn Red Team findings into real mitigations.
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Cyber defense is a team mission. 🤝 At the #BillingtonSummit, Bruce Jones (Chief, @NSACyber Collaboration Center) emphasized: “We need to continue to scale—to make sure we are pushing intelligence to the right places.” #Cybersecurity #ThreatIntel #NSA
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On Patriot Day, we pause to remember and honor the lives lost 25 years ago on September 11, 2001. NSA remains steadfast in our mission to protect our Nation and prevent such tragedies. We will never forget.
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"The basics are no longer boring, and AI can’t outrun the basics.” Across two #BillingtonSummit panels, @NSACyber Director David Imbordino joined government, industry, and FVEY cyber leaders to discuss nation-state threats, AI, and strengthening collective cyber defense.
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NSA/CSS retweeted
China-based AI companies are illicitly distilling U.S. frontier AI capabilities. Read NSA’s new report, co-sealed with @FBI, @CISAgov, highlighting AI knowledge distillation, TTPs used, and recommended mitigations: media.defense.gov/2026/Sep/0…
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This Labor Day, we recognize the dedication, skill, and service of the NSA/CSS workforce. From our cryptologists and analysts to our engineers and support staff, the commitment of our professionals helps strengthen national defense and safeguard national security systems. Thank you to all who support the mission every day in service to the Nation.
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NSA/CSS retweeted
NSA today released two technical reports addressing threats to application specific integrated circuits (ASICs) during the design and manufacturing process. Learn about the threats and appropriate mitigations to reduce risk: nsa.gov/Press-Room/Press-Rel…
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NSA/CSS retweeted
NSA and others releases guidance on applying prevention tactics to strengthen defense of U.S-based programmable logic controllers being targeted by cyber actors using AI. Learn more: media.defense.gov/2026/Aug/1… #cybersecurity #AI
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NSA/CSS retweeted
NSA joins the @FBI and others in releasing a joint Cybersecurity Advisory, “#StopRansomware: Gunra Ransomware,” as an ongoing effort to publish information about various ransomware variants and threat actors. Learn more: media.defense.gov/2026/Aug/1…
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From the Revolutionary War to the digital age, cryptology has protected national security. As we celebrate #America250, we honor the legacy of innovation that allows us to create and decipher codes daily.
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Happy 236th Birthday to the @USCG! Established in 1790, the Coast Guard has safeguarded our shores, ports, and waterways for over two centuries. NSA/CSS salutes the bravery and dedication of all Coast Guardsmen. #USCGBirthday #SemperParatus #AlwaysReady
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NSA/CSS retweeted
Learn how your organization can leverage SBOMs to drive security decisions about your software systems in this updated report: 2026 Minimum Elements for a Software Bill of Materials (SBOM). media.defense.gov/2026/Jul/2…
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NSA/CSS retweeted
Russian state-supported actors are targeting Zimbra Collaboration Suite users to exfiltrate sensitive communications and email directories. Reduce the risk of being a target. Read the full Cybersecurity Advisory for IOCs and recommended mitigations: media.defense.gov/2026/Jul/2…
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NSA/CSS retweeted
A well-defined CVD program enhances a supplier's ability to engage with security researchers and efficiently address vulnerabilities. Read the report to learn more about CVD programs and how they can help you address security vulnerabilities. media.defense.gov/2026/Jul/1…
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NSA/CSS retweeted
Russian cyber actors are targeting critical infrastructure networks worldwide. Follow the latest Cybersecurity Advisory from NSA and partners to harden your routers: media.defense.gov/2026/Jul/0… #cybersecurity
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As the nation celebrates 250 years of American Independence, NSA is proud to honor the values of the Declaration of Independence, serving with patriotism and purpose to defend the nation and secure the future. #America250
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The cyber domain is a battlefield—and America’s warfighters are leading the way. The warriors of @US_CYBERCOM and @NSAGov are relentlessly strengthening our national defense and protecting our Nation every single day.
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The warfighters of @US_CYBERCOM & @NSAGov ensure America is never in a fair fight. It was an honor to witness their innovative and unwavering commitment to defend our Republic.
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