Why am I getting the "Potential Security Risk Ahead" warning page in Mozilla Firefox? Can I ignore the error and continue to visit the Website?

You are getting the "Potential Security Risk Ahead" warning page, because Mozilla Firefox fails to validate the Website certificate. It stops you to visit the Website due to privacy concerns.

Warning: Potential Security Risk Ahead

Firefox detected a potential security threat and did not continue 
to 192.168.1.1. If you visit this site, attackers could try to steal 
information like your passwords, emails, or credit card details.

What can you do about? 

This issue is most likely with the website and there is nothing 
you can do to resolve it. 

If you are on a corporate network or using antivirus software, 
you can reach out to the support teams for assistance. You can also 
notify the website's administrator about the problem.

[Go Back (Recommended)]  [Advanced] 

You can click the "Advanced" to see more information and options.

Someone could be trying to impersonate the site and you should not continue.

Website prove their identity via certificates. Firefox does not trust 192.168.1.1 
because its certificate issuer is unknown, the certificate is self-signed, or the 
server is not sending the correct intermediate certificate. 

Error Code: SEC_ERROR_UNKNOWN_ISSUER 

[View Certificate]  [Go Back (Recommended)]  [Accept the Risk and Continue] 

Mozilla Firefox may display an error code on the error page to help you troubleshoot the root cause of the error:

• SEC_ERROR_UNKNOWN_ISSUER - The issuer's certificate of the Website certificate is not valid.
• SEC_ERROR_REVOKED_CERTIFICATE - The Website certificate has been revoked by the issuer.
• SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE - The Website certificate has expired.
• SEC_ERROR_REUSED_ISSUER_AND_SERIAL - The issuer of Website certificate has issued 2 or more certificates with the same serial number.
• SEC_ERROR_INADEQUATE_KEY_USAGE - The Website certificate's usage list does cover server identification.
• SEC_ERROR_BAD_SIGNATURE - The Website certificate has a bad digital signature.

If you are not sending any sensitive information, you can ignore the error and continue to visit the Website by clicking the "Accept the Risk and Continue" button.

⇒ Website without Certificate in Mozilla Firefox

⇐ security.enterprise_roots.enabled Configuration in Mozilla Firefox

⇑ Using Certificates in Mozilla Firefox

⇑⇑ Firefox Certificates Tutorials