![]() NATO SDIP-27 Level A (formerly AMSG 720B) and USA NSTISSAM Level I.The US and NATO TEMPEST standards define three levels of protection requirements: As a joke - but just as factually possible as other attempts - the phrase "Tiny ElectroMagnetic Particles Emitting Secret Things" has been suggested. However, various backronyms have been suggested, including "Transmitted Electro-Magnetic Pulse / Energy Standards & Testing", "Telecommunications ElectroMagnetic Protection, Equipment, Standards & Techniques", "Transient ElectroMagnetic Pulse Emanation STandard", and "Telecommunications Electronics Material Protected from Emanating Spurious Transmissions". government has stated that the term TEMPEST is not an acronym and does not have any particular meaning. The term TEMPEST was coined in the late '60s and early '70s as a codename for the NSA operation to secure electronic communications equipment from potential eavesdroppers and vice versa the ability to intercept and interpret those signals from other sources. ![]() The term TEMPEST is often used broadly for the entire field of Emission Security or Emanations Security ( EMSEC). The term "compromising emanations" rather than " radiation" is used because the compromising signals can, and do, exist in several forms such as magnetic- and/or electric field radiation, line conduction, or acoustic emissions. The interception/propagation ranges and analysis of such emanations are affected by a variety of factors, e.g., the functional design of the information processing equipment system/equipment installation and, environmental conditions related to physical security and ambient noise. Laboratory and field tests have established that such CE can be propagated through space and along nearby conductors. This energy may relate to the original encrypted message, or information being processed, in such a way that it can lead to recovery of the plaintext. TEMPEST is a codename only and is not an acronym.Ĭompromising emanations consist of electrical, mechanical, or acoustical energy intentionally or by mishap unintentionally emitted by any number of sources within equipment/systems which process national security information. Compromising emanations are defined as unintentional intelligence-bearing signals which, if intercepted and analyzed, may disclose the information transmitted, received, handled, or otherwise processed by any information-processing equipment. TEMPEST is a codename referring to investigations and studies of compromising emission (CE) (see Van Eck phreaking). William Tempest (politician) analogical dictionaryįor other uses of the word "tempest", see Tempest.Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry.George Vane-Tempest, 5th Marquess of Londonderry.Edith Vane-Tempest-Stewart, Marchioness of Londonderry.Charles Vane-Tempest-Stewart, 7th Marquess of Londonderry.Charles Vane-Tempest-Stewart, 6th Marquess of Londonderry.Charles Stewart Vane-Tempest-Stewart, 6th Marquess of Londonderry.Alexander Vane-Tempest-Stewart, 9th Marquess of Londonderry.These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tempest.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. 2023 Crypto craziness continues The stock market turmoil of 2022 is like a fleeting rain shower compared to the raging tempest that’s going on in crypto circles. Katherine Kornei, Scientific American, 6 Mar. 2023 The event was triggered by a ferocious storm, but the tempest wasn’t of Earth’s making. Charles Mcnulty, Los Angeles Times, 28 Mar. 2023 Readers of Shakespeare’s late romance will remember that this ship runs into a tempest that disgorges its passengers onto a strange island in the middle of nowhere. 2023 This movie really embraces the social media era where something can become memeified and generate a little bit of a tempest in a teacup of attention. Joseph Hernandez, Chicago Tribune, 15 Mar. 2023 The sky was a churning, cold tempest my glasses useless in the hazy mist. 2023 The Big Bubble Rave formerly known as The Bikini Bottom Rave commonly known as The SpongeBob Rave follows a tempest. 2020 Tulip Town would hardly be the first agricultural partnership to fracture acrimoniously into competing ventures, says Trevor Lane, an expert in economic development with Washington State University Extension who has followed the tulip tempest. Noun The Republican Party has experienced a titanic political realignment, a simmering tempest that exploded after years of trade and tax policy that left blue-collar families behind and a progressive cultural movement seeking to redefine our fundamental values.
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