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English definition of “cyber warfare”

cyber warfare

noun [U]     INTERNET
the activity of using the internet to attack a country’s computers in order to damage things such as communication and transport systems or water and electricity supplies : The use of cyber warfare can destabilise financial systems , the telephone system or the energy grid . Cyber warfare has fundamentally changed national security because an attack can come from anywhere . → See also hacktivism
(Definition of cyber warfare noun from the Cambridge Business English Dictionary © Cambridge University Press)
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