Phase 6
Network Security
Network security involves the protection of data as it travels the wires of your private network, or even as it traverses the public wires of the Internet. We’ll look at several techniques, including encrypting data for file transfers and implementing security on wireless networks.
The virtual private network (VPN) is one of the most common approaches to securing data as it flows over the network. There are many types of VPNs, and they vary in their strength of authentication, encryption, and integrity validation. Generally speaking, the stronger the authentication, encryption, and integrity validation, the greater the overhead on the system and the poorer the performance of the data transmission.
A VPN is often referred ...
