Aug. 31, 2024

No Such Puzzle: Bite-sized Sudoku

In honor of #InternationalSudokuDay on September 9, for each #NoSuchPuzzle this month, we give you a bite-sized Sudoku. Find the numbers along the two main diagonals from upper left to lower right followed by lower left to upper right. Can you solve the Sudoku?

Aug. 29, 2024

NSA to Launch ‘No Such Podcast,’ Pulling Back Curtain on Mission, Culture, People

The National Security Agency (NSA) is launching a podcast on September 5 to share the stories of the world's best codemakers and codebreakers.

Aug. 27, 2024

Robots on the Plains: NSA Helps Native Students Engage in Cybersecurity Learning

Last month, National Security Agency (NSA) affiliates traveled to North Dakota’s Turtle Mountain Indian Reservation to teach Native high school students about programming, cybersecurity, and robotics.

Aug. 26, 2024

NSA releases copy of internal lecture delivered by computing giant Rear Adm. Grace Hopper

FORT MEADE, Md. — In one of the more unique public proactive transparency record releases for the National Security Agency (NSA) to date, NSA has released a digital copy of a lecture that then-Capt. Grace Hopper gave agency employees on August 19, 1982.

Aug. 21, 2024

NSA Joins Allies in Releasing Best Practices for Event Logging

FORT MEADE, Md. – To help owners and operators of NSS, DoD, and the DIB protect against malicious actors using living off the land (LOTL) techniques, the National Security Agency (NSA) is joining the Australian Signals Directorate’s Australian Cyber Security Centre (ASD ACSC) and international co-authors in releasing “Best Practices for Event Logging and Threat Detection,” a Cybersecurity Information Sheet (CSI).

Aug. 10, 2024

No Such Puzzle: Tap Codes

The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis. It has been used by prisoners to communicate with each other by tapping metal bars inside a cell. For each No Such Puzzle in August, we provide a tap sequence and an indicator for the number of words in the answer and their lengths. Can you solve the code and identify the prison or prisoner of war camp?

Aug. 6, 2024

Headline Puzzle: August 2024

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.

July 30, 2024

NSA Publishes Enduring Security Framework Document Providing Recommendations for U.S. Government, Industry, and Academia to Engage Standards Development Organizations

FORT MEADE, Md. – As technology continues to develop at an increasingly rapid pace, the U.S. needs to participate in and position itself as the leader in the creation of global standards, according to an Enduring Security Framework (ESF) report released today by the National Security Agency (NSA) and the Cybersecurity and Infrastructure Security Agency (CISA). 

July 25, 2024

NSA Joins FBI and Others to Warn of North Korea Cyber Espionage Campaign

FORT MEADE, Md. – The National Security Agency (NSA) joins the Federal Bureau of Investigation (FBI) and others in releasing the joint Cybersecurity Advisory (CSA), “North Korea Cyber Group Conducts Global Espionage Campaign to Advance Regime’s Military and Nuclear Programs.” The CSA includes detection methods and mitigation measures to help counter the malicious activity.

July 20, 2024

No Such Puzzle: Red, white, and blue clues

In honor of Independence Day, we give you sentences that contain parts which hint at three two-word phrases. One phrase starts with the word "red," one phrase starts with the word "white," and one phrase starts with the word "blue." We provide the number of letters of each second word. Find the three two-word phrases in each sentence.