What is the primary function of a VPN (Virtual Private Network)?

The primary function of a VPN (Virtual Private Network) is to create a secure and encrypted connection. A VPN establishes a private network over a public internet connection, which allows users to send and receive data securely. This secure tunnel protects the data from being intercepted by malicious actors while it transits across potentially unsafe networks, such as the internet.

By encrypting the data, VPNs ensure that even if the data packets are captured, they cannot be easily understood or accessed by unauthorized individuals. This level of security is particularly important for sensitive information, such as personal data or corporate communications, making the use of VPNs critical for individuals and organizations seeking to maintain privacy and data integrity while online.

While secure access to public networks is a feature of a VPN, the distinguishing characteristic is the encryption and secure connection it creates. This is not simply about access; it is about ensuring that the data remains confidential and unaltered during transmission, which is why the aspect of encryption is central to the functionality of a VPN.