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Network security is an over-arching term that describes that the policies and procedures implemented by a network administrator to avoid and keep track of unauthorized access, exploitation, modification, or denial of the network and network resources. This means that a well-implemented network security blocks viruses, malware, hackers, etc. from accessing or altering secure information.
Get IT security training and cyber security training with Alison. Learn to successfully protect a computer network with these network security courses.