There can also be other issues, such as a mismatch between the actual domain of the webpage and the domain mentioned in the certificate. For example, if the certificate has expired, is invalid, or is not set up correctly, the browser deems the website unsafe.
Related: How To Troubleshoot Internet Connection Problems Why Is My Connection Not Private?Ī problem with a website's SSL certificate can cause your connection to be not private. This information is then shared with the website server that uses its private key to decrypt it, following which both can safely communicate without worrying about someone intercepting the data. Once satisfied with the SSL certificate details, the browser generates a random session key and uses the public key included in the certificate to encrypt it.
It's a digital certificate that verifies the identity and security of a website and includes information such as the domain name, the organization name, the issuing authority, the certificate expiry date, and a public key. To create an encrypted connection with a website, a web browser, such as Chrome or Firefox, first attempts to verify that website's SSL certificate.
