You may rely on your VPN to fulfill one or several tasks. The VPN itself should also be safe against compromises. These are the qualities you should expect from any comprehensive VPN solution:
Encryption of IP address
The VPN's first and most essential task is to keep your IP address hidden from your internet service provider (ISP) and other third-parties. This allows you to send and receive information online without the risk of anyone (except you and the VPN provider) seeing.
Encryption of logs
A VPN should also prevent you from leaving a trail — for instance, internet history, search history, and cookies. Encryption of cookies is especially important. It stops third-parties from seeing sensitive information such as personal details, financial information, and any other content submitted to websites that you don’t want to be traced back to you.
If your VPN connection suddenly drops, your secure connection will go down too. A good VPN will be able to detect this sudden downtime and will quit preselected programs, reducing the chance of data compromise.
A secure VPN will look to verify anyone trying to log in via a diverse range of authentications. For instance, you may be asked to enter a password, and then a code sent to your mobile device. This makes it harder for unwanted third-parties to access your secure connection.