Security
VPN
Abbreviation for Virtual Private Network
In short and in plain language
A VPN is a protected link between systems that are far apart.
They act as if they were on the same network.
Firms use it to reach inside systems from outside.
Those systems cannot be seen by all on the web.
Definition
A VPN is an encrypted connection that links remote systems as if they were on the same internal network. Businesses use it, for example, to reach internal systems remotely that are not openly accessible on the internet.