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The document titled 'Cipher Sleuths' outlines a unit designed for fourth to sixth grade students that focuses on data analysis through the deciphering of secret codes. It includes activities where students analyze letter frequency in texts, graph data, and solve transposition and substitution ciphers while learning related vocabulary. The unit aligns with NCTM 2000 Principles for School Mathematics, emphasizing equity, curriculum coherence, effective teaching, and the use of technology. It consists of four main activities over three to five days, requiring prior knowledge of rounding decimals and tally marks. Student outcomes include creating line plots, using deductive reasoning to decode messages, and understanding code-related terminology.

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Who does the NSA report to?

For years, the very existence of NSA was classified, leading to the name No Such Agency. Now, as NSA has increased its public engagements in the past several years, No Such Podcast provides a new channel for people to learn more about one of the countrys most secretive agencies.

What encryption does NSA use?

Advanced Encryption Standard (AES): an encryption algorithm, selected by NIST after a public competition. In 2003, NSA certified AES for Type 1 use in some NSA-approved systems. Secure Hash Algorithm: a widely used family of hash algorithms developed by NSA based on earlier designs by Ron Rivest.

How is the CIA different from the NSA?

Both agencies are highly secretive, operate under the shadows, and provide intelligence and security for the United States. The CIA specializes in human intelligence, and the NSA specializes in signals intelligence. Both of these agencies work in tandem to keep the U.S. safe. Back to top.

Is NSA a spy agency?

The National Security Agency (NSA) is an intelligence agency of the United States Department of Defense, under the authority of the director of national intelligence (DNI).

How is NSA different from CIA?

The OIG initiates investigations based upon information from a variety of sources, including complaints made to the OIG Hotline; information uncovered during its inspections, audits, and reviews; and referrals from other Agency organizations.