A Virtual Private Network (VPN) creates an encrypted tunnel between a user device and a remote server, securing data in transit over public networks. VPNs provide privacy by hiding the user IP address, security by encrypting communications, and access to restricted resources. Types include remote access VPNs (individual users), site-to-site VPNs (connecting networks), and SSL/TLS VPNs (browser-based). Enterprise VPNs are essential for remote work security, though Zero Trust models are increasingly supplementing traditional VPNs.
Networking