the use of electronic communciations and the internet to disrupt a country's telecommunications, power supply, transport system, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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information warfare in Culture
The use of information technology as an active weapon of war. This includes not only attempts to intercept, disrupt, and defend military-specific communications and information technology, but also attempts to gain access to and disrupt such critical computer systems as those involved in air traffic control, the electric power grids, and banking systems. (See cyberwarfare.)
The New Dictionary of Cultural Literacy, Third Edition
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