or cy·ber ter·ror·ism
computer-based attacks aimed at disabling vital computer systems so as to intimidate, coerce, or harm a government or section of the population.
Origin of cyberterrorism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the illegal use of computers and the internet to achieve some goal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012