Even if you’re seeing this error, the best thing you can do is to click on the Go Back button, if you’re really concerned about your privacy. The worst part about this error is that in most of the cases it is impossible to troubleshoot the issue because its website owner side error and you can do nothing about it. In this situation, the Firefox stop connection to the site and show an error about which this whole article is based. In case, site certificate is not validated or encryption is not solid. When a user on Firefox try to connect a secure site (the URL starts with at first browser validate if the certificate presented by the site is proper and the encryption level is hard enough to ensure the overall protection of the privacy. Report the Error Firefox Connection is Not Secure Error
