Definition of ransomware noun from the Oxford Advanced Learner's Dictionary

 

ransomware

 noun
noun
BrE BrE//ˈrænsəmweə(r)//
 
; NAmE NAmE//ˈrænsəmwer//
 
[uncountable]
 
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a type of software that is designed to block access to a computer system until a sum of money is paid The criminals behind this particular ransomware attack demanded $192 from users to unlock their computer systems.