A VPN, or Virtual Private Network, primarily serves the purpose of providing secure internet access by creating an encrypted tunnel between a user’s device and the internet. This encryption protects data from unauthorized access and helps maintain privacy while browsing. By masking the user's IP address, a VPN also allows users to bypass geo-restrictions and access content that might be unavailable in their region. Furthermore, it enhances online security, especially when connecting to public Wi-Fi networks, where data is more susceptible to attacks such as man-in-the-middle attacks.