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2022–2023 Pentagon document leaks. In April 2023, two sets of leaked classified foreign intelligence documents of the United States began circulating on Twitter, Telegram, and 4chan. Jack Teixeira, an airman first class of the Massachusetts Air National Guard, had allegedly photographed printouts of the documents at his parents' home in ...
April 17, 1947 Atomic Energy Commission memo from Colonel O.G. Haywood, Jr. to Dr. Fidler at the Oak Ridge Laboratory in Tennessee. As of 2010, Executive Order 13526 bans classification of documents simply to "conceal violations of law, inefficiency, or administrative error" or "prevent embarrassment to a person, organization, or agency".
On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir, then a senior intelligence officer ...
Restricted Data (RD) and Formerly Restricted Data (FRD) are classification markings that concern nuclear information. These are the only two classifications that are established by federal law, being defined by the Atomic Energy Act of 1954. Nuclear information is not automatically declassified after 25 years.
Daniel O'Brien (born January 6, 1986), also known as "DOB", [1] is an American humorist, author, writer, actor, comedian and songwriter; formerly for Cracked.com. In August 2018, O'Brien started as a staff writer on the HBO show Last Week Tonight with John Oliver , and is currently a senior writer.
Traditional Reed–Muller codes are binary codes, which means that messages and codewords are binary strings. When r and m are integers with 0 ≤ r ≤ m, the Reed–Muller code with parameters r and m is denoted as RM (r, m). When asked to encode a message consisting of k bits, where holds, the RM (r, m) code produces a codeword consisting of ...
Vault 7. Logo for documents collectively labeled Vault 7. Vault 7 is a series of documents that WikiLeaks began to publish on 7 March 2017, detailing the activities and capabilities of the United States Central Intelligence Agency (CIA) to perform electronic surveillance and cyber warfare. The files, dating from 2013 to 2016, include details on ...
The codeword for that symbol is the string of "0"s and "1"s that records which half of the divides it fell on. This method was proposed in a later (in print) technical report by Fano (1949). Shannon–Fano codes are suboptimal in the sense that they do not always achieve the lowest possible expected codeword length, as Huffman coding does. [1]