VPNs (Virtual Private Network) help by establishing a secure connection over an insecure network, such as the Internet. This is a great alternative to private WAN connections since Internet access is usually cheaper and it’s available pretty much everywhere.



VPNs provide a couple of features such as:Confidentiality, Authentication, Integrity, Anti-replay


VPN Types - Site-to-site VPN, Client-to-site VPN

VPN Protocols - PPTP, L2TP, SSL-VPN, IPsec