Network security should include the following requirements:
■ Prevent external hackers from getting access to the network
■ Allow only authorized users into the network
■ Prevent those inside the network from executing deliberate or inadvertent attacks
■ Provide different levels of access for different types of users
■ Protect data from misuse and corruption
■ Comply with security legislation, industry standards, and company policies
To be truly effective, network security must meet these requirements in a way that is transparent to users, easy to administer, and does not disrupt business.
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