If the certificate isn’t set up correctly, this means data can’t be encrypted properly and therefore the site is unsafe to visit (especially those with logins or that process payment information). This feature is built into web browsers to protect the user.

If the browser finds that the certificate isn’t valid, it will automatically try to prevent you from reaching the site. Other things that also take place include the TLS handshake, the certificate being checked against the certificate authority, and decryption of the certificate. The browser then has to validate the certificate installed on the site to ensure it is up to current privacy standards. When you visit a website, your browser sends a request to the server where the site is hosted. The “your connection is not private” error only pertains to sites that are running over HTTPS (or should be running over HTTPS). What Is the Your Connection is Not Private Error? Check Out Our Video Guide to Fixing the Your Connection is Not Private Error

Insecure browser message