Popular warnings in browsers, related for SSL-certificates

If you visit various sites and make purchases, then you should be aware of how important could be notifications of the SSL-certificate security protection. Notifications help you to ensure whether the site is completely safe and can you trust it or not. Please make sure that you check these warnings, because they will notify that a site was created exclusively for phishing purposes and prevent you from using it.

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Understanding of security notifications and the SSL-certificate warnings helps to determine if there are any issues with the website and its certificate. Also, you can figure out how to manage these issues, if they appear on your own site.

Popular notifications related to SSL-certificates

Below are some of the most popular notifications that may be shown by browsers, depending on the SSL-certificate.

The site is most likely different from what you were looking for

If you have noticed this kind of message when you are visiting a website, it means that the actual address of the website does not match the address specified in the SSL-certificate. The site that you are attempting to visit, most likely, is a clone of legitimate site – in this case we are talking about phishing.

The certificate is not trusted

If you try to open the site with the SSL-certificate, which was issued by an untrusted certificate authority or a third party, in this case you will see this warning. It means that the owner of the site may have created their own certificate. Due to the fact that certificate is self-signed, the browser may not recognize it, therefore browser does not trust the certificate. In conclusion, this certificate is not included in the list of browser’ trusted Certification Authorities.

The certificate has expired or certificate not valid

These kind of messages appear when the browser is unable to determine whether the website you are visiting is secure because the certificate has not been updated. This simply means that the SSL-certificate has expired.

The certificate has been revoked

If you are visiting the website and noticed this message, it means that the CA has been invalidated, and therefore the certificate is revoked. Your browser unable determine whether the website is protected or not.

Now you know how to interpret the popular warnings of SSL-certificates in the browser. Use this knowledge to ensure your security on the Web. You can solve the problem with your SSL-certificate, focusing on the information provided in this article.


Do you need SSL certificates? The store of certificates entrusted by years and millions of visitors — LeaderSSL. Buy a certificate from a trusted brand.

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