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The United States Secret Service uses code names for U.S. presidents, first ladies, and other prominent persons and locations.
In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.
A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher—or to encrypt a message by working in the opposite direction.
Levels and categories of classification. The United States government classifies sensitive information according to the degree which the unauthorized disclosure would damage national security. The three primary levels of classification (from least to greatest) are Confidential, Secret, and Top Secret.
The Bible code (Hebrew: הצופן התנ"כי, hatzofen hatanachi), also known as the Torah code, is a purported set of encoded words within a Hebrew text of the Torah that, according to proponents, has predicted significant historical events.
List of HTTP status codes - Wikipediawikipedia.org
In cryptology, a code is a method used to encrypt a message that operates at the level of meaning; that is, words or phrases are converted into something else. A code might transform "change" into "CVGDK" or "cocktail lounge".
Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Discover how to enable, sign in with, and manage your security key.
Classified information can be designated Top Secret, Secret or Confidential. These classifications are only used on matters of national interest. Top Secret: applies when compromise might reasonably cause exceptionally grave injury to the national interest. The possible impact must be great, immediate and irreparable.
"The Secret Code" is the 117th episode of NBC sitcom Seinfeld. This was the seventh episode of the seventh season. It aired on November 9, 1995. In this episode, George is unwilling to share his ATM code with his fiancée Susan, and finds himself entrapped
Magic was an Allied cryptanalysis project during World War II. It involved the United States Army 's Signals Intelligence Service (SIS) and the United States Navy 's Communication Special Unit .