A virtual private network is a virtual extension of a private network over the internet. It is often used to allow employees that are not in the physical office to connect to resources on the intranet as if they were in the office. But there are also commercial VPNs that can be used to anonymize your internet traffic. You can find more information about those in our blog post, One VPN To Rule Them All!
Your intro to everything relating to cyberthreats, and how to stop them.