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cybersecurity

or cy·ber se·cu·ri·ty

[sahy-ber-si-kyoor-i-tee]
noun
  1. precautions taken to guard against crime that involves the Internet, especially unauthorized access to computer systems and data connected to the Internet.
  2. the state of being protected against such crime.
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Origin of cybersecurity

First recorded in 1985–90; cyber- + security
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for cybersecurity

cybersecurity

noun
  1. computing the state of being safe from electronic crime and the measures taken to achieve this
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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