April 3, 2025

NSA and partners Issue Guidance on Fast Flux as a National Security Threat

FORT MEADE, Md. – The National Security Agency (NSA) and partners are releasing the joint Cybersecurity Advisory (CSA), “Fast Flux: A National Security Threat,” to warn about how cyber actors are using a technique called fast flux to conceal their activities by rapidly changing the IP address associated with a domain name.

Feb. 4, 2025

Joint Publications Focus on Mitigation Strategies for Edge Devices

FORT MEADE, Md. - The National Security Agency (NSA) has joined the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and others to release three Cybersecurity Information Sheets (CSIs) that highlight critically important mitigation strategies for securing edge device systems, including firewalls, routers, and virtual private network (VPN) gateways. 

Feb. 1, 2025

No Such Puzzle: National Thesaurus Day Heterographosynonyms

For each #NoSuchPuzzle in January, we provide a sentence with two words removed. The two words are heterographs (words that are pronounced the same but spelled differently) for two synonyms (words that mean the same). We provide the lengths of the removed words. Find the two removed words.

Jan. 22, 2025

National Security Agency Announces Ms. Sheila Thomas as Next NSA Executive Director

January 21, 2025 - FORT MEADE, MD. - Today, the National Security Agency (NSA) announced that Ms. Sheila Thomas has been selected to serve as NSA's next Executive Director and second-highest senior civilian leader.

Jan. 16, 2025

NSA Jointly Releases Recommendations for Closing the Software Understanding Gap

FORT MEADE, Md. – A report released by the National Security Agency (NSA), the Cybersecurity and Infrastructure Agency (CISA), the Defense Advanced Research Projects Agency (DARPA), and the Office of the Under Secretary of Defense for Research and Engineering (OUSD R&E) urges a national effort to better understand the behavior of software underpinning national security and critical infrastructure systems.

Jan. 13, 2025

NSA and Others Publish Guidance for Secure OT Product Selection

FORT MEADE, Md. - The National Security Agency (NSA) joins the Cybersecurity and Infrastructure Security Agency (CISA) and other organizations to publish guidance helping operational technology (OT) owners and operators integrate security when selecting OT products.
 

Jan. 3, 2025

Headline Puzzle: January 2025

The Headline Puzzle is a monthly feature that was started in 1964 by Paul Derthick, a longtime research analyst in NSA’s Operations Organization, as an interesting way to keep his mind sharp outside of his cryptanalytic work. Each Headline Puzzle contains five headlines from recent daily newspapers. Each of the five is a different monoalphabetic substitution, and all five are derived from the same mixed alphabet at different settings against itself. A complete solution includes recovering the plaintext of each HEADLINE and three key words, the SETTING, the KEY and the HAT.

Dec. 31, 2024

Statement from Gen Tim Haugh, Commander, USCYBERCOM, Director, NSA/Chief, CSS, on the Passing of Former President Jimmy Carter

Gen Tim Haugh, Commander, USCYBERCOM, Director, NSA/Chief, CSS released the following statement on the passing of Former President Jimmy Carter:

“With great sadness, we extend our deepest condolences to the family of President Jimmy Carter on his passing. He will be remembered for his tireless dedication to public service, his inspiring commitment to peace, human rights, and charity towards others.”

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Dec. 10, 2024

NSA Awards Authors of Assessment of Trustworthiness in GPT Models

The National Security Agency (NSA) Research Directorate recently selected “Decoding Trust: Comprehensive Assessment of Trustworthiness in GPT Models,” as the winner of its 12th Annual Best Scientific Cybersecurity Paper Competition.

Dec. 7, 2024

No Such Puzzle: Reindeer Games

For each #NoSuchPuzzle in December, we provide a clue to a phrase and some of the letters in the phrase. Each clue leads to an answer that contains the letters of one of Santa's reindeer. These letters may appear elsewhere as well. Find the answer to the clue.