A VPN is a virtual private network that extends a private network across a public network, allowing users to access data as if their devices were connected directly to the private network. VPNs are commonly used by remote corporate users to access their company’s server on a private network. VPNs provide some access controls, but the more controls put in place, the less efficient the VPN connection is. VPNs lack access controls and session monitoring, both effective means of security when it comes to network access.

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