[SOLVED] How Do I Fix Invalid Certificate Error on Mac?

Safari, Google Chrome, Firefox, and Opera are all browsers used to surf the web. They’re a great way to check out different sites that offer information, provide entertainment, and even shopping choices. But, of course, the browsers are not without flaws. The sites you go to doesn’t have flaws too. So, there are issues you can face.

You might ask, “How do I fix invalid certificate error on Mac”. This error can usually happen with different websites you’re trying to access. Usually, the browsers work great in terms of browsing the web. But, the error happens when the browser tries to verify the website’s specific identity. And if it gets an issue, you get an invalid certificate error.

This guide will give you the details to answer the question “How do I fix expired certificates on my Mac”? In this way, you can view the website you want to check out, especially if it’s a necessity for work or school.

Part 1. What Is An Invalid Certificate Error On Mac?

Let’s dig into a little overview before we answer the “How do I fix invalid certificate error on Mac” Websites are very important these days. People are very dependent on using technology. That’s why websites are so popular. However, they’re not invulnerable.

There are a lot of cyber attacks happening. An SSL or TLS certificate is necessary for website owners. Usually, it’s a gauge of your website’s security and safety. If a website doesn’t have an SSL certificate, browsers such as Safari, Google Chrome, and Firefox, will show an error to viewers that the certificate for this server is invalid.

So, what exactly is an Invalid Certificate Error or Invalid SSL Certificate Error? This error is found if the browser cannot recognize the SSL certificate installed on the website. The browser cannot say that the certificate authority is valid or it cannot recognize it. This means the installed SSL cannot be trusted and the site may be dangerous. Then how do I get my Mac to trust a certificate?

An Invalid SSL Certificate Error means it cannot recognize or fails to identify the websites’ installed SSL. The certificate authority may not be enlisted in their “list” of acceptable or trusted CAs. Usually, popular certificate authorities include Sectigo, Comodo, and DigiCert.

Part 2. What Are The Other Reasons For Invalid Certificate Error On Mac?

There are other reasons why you are seeing the invalid error certificate. Here, we will discuss some of those reasons for you to solve the question “How do I fix invalid certificate error on Mac”. Check them out below:

• If you access a domain that is mismatched, browsers may show the invalid SSL certificate error.
• You signed the certificate in these two ways, through a certificate that’s self-signed or through a trusted, unknown source. In this case, the browser will show the said error. We will tell you the answer to “How do I fix invalid certificate error on Mac”.
• The certificate of the website is currently not valid or the certificate has already expired.
• In rare cases, if the website possesses an SSL certificate of the incorrect format, browsers will display it as invalid.
• Misconfigured SSL or TSL certificates can be a result of this error showing up. This misconfiguration can usually happen during installation.
• The certificate installed is revoked or bought illegally.
• Antivirus software or your firewall may be blocking the SSL connection.
• The site may be using SHA-1 encryption. This case is usually rare.
• The browser may not be able to verify the installed certificate’s signature.
• Broken structure of the SSL or TLS certificate.

Another reason for you to ask the question, “How do I fix invalid certificate error on Mac” is the possibility of having a broken certificate chain of trust. What do you mean by this? Well, it happens in a few instances such as the following:

• A root certificate authority (CA) that is actually not verified.
• Expired root or even intermediate certificate.
• It has an actual self-signed certificate in the chain.
• The chain actually doesn’t terminate with a root certificate that’s trusted.