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NSA News & Highlights

NSA SPOTLIGHT

Georgia Tech Wins NSA's Codebreaker Challenge for Fourth Consecutive Year

FORT MEADE, Md. – For the fourth consecutive year, the Georgia Institute of Technology (Georgia Tech) took first place in the National Security Agency’s annual Codebreaker Challenge (CBC).

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

Joint Publications Focus on Mitigation Strategies for Edge Devices

NSA and Others Publish Guidance for Secure OT Product Selection

Tag: machine

An image of the “Jefferson Cipher," a small brown cylinder mounted on four legs, displayed in a glass case

Dec. 19, 2022

World’s Oldest True Cipher Device, the “Jefferson Cipher,” on Display at the National Cryptologic Museum

Thomas Jefferson, third president of the United States, had a deep interest in cryptology. He exchanged encrypted letters with friends, and he proposed a mathematics-based cryptologic system for U.S. government use (although it was never adopted).