Definition of information security noun from the Oxford Advanced Learner's Dictionary

 

information security

 noun
noun
BrE BrE//ɪnfəˌmeɪʃn sɪˈkjʊərəti//
 
; NAmE NAmE//ɪnfərˌmeɪʃn səˈkjʊrəti//
 
(informal infosec)[uncountable]
 
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ways of protecting information, especially electronic data, from being used or seen without permission Information security in banking is becoming more and more important. What are the biggest threats to information security?