VPN Technologies: A Comparative Analysis Virtual Private Networks (VPNs) have become an essential tool for online privacy and security. By creating a secure, encrypted tunnel between your device and a remote server, VPNs can protect your data from prying eyes and allow you to access geographically restricted content. Let's explore some of the most popular VPN technologies: PPTP, L2TP/IPSec, and OpenVPN. Point-to-Point Tunneling Protocol (PPTP) PPTP is one of the oldest VPN protocols and was widely used in the early days of VPNs. It's relatively easy to set up and offers basic security features. However, PPTP has been criticized for its vulnerability to attacks, making it less secure compared to newer protocols. Pros: Easy to set up, widely supported. Cons: Less secure than newer protocols, susceptible to attacks. Layer 2 Tunneling Protocol (L2TP) with IPsec L2TP/IPSec is a more secure VPN protocol that combines the tunneling capabilities of L2TP with the encryp