Did you know Cybrary has FREE video training? Join more than 2,500,000 IT and cyber security professionals, students, career changers, and more, growing their careers on Cybrary.
Tunneling and Encryption This lesson covers methods of tunneling and encryption as a means of network control. The main concept with tunneling and encryption is the Virtual Private Network (VPN). A VPN is an encrypted private tunnel over a public network. Basically, it's a means of creating a private network on a public interface.