If you have accepted an untrusted certificate in the past but want to delete it, you can use the Keychain Access tool to remove it from your system. Click on the "Finder" icon in the Dock.

The digital certificate used with the most popular security protocol on the Internet. When you make a purchase on the Web and notice the closed lock icon at the top or bottom of your browser or ...

Secure socket layer, or SSL, certificates allow your Web browser to encrypt data sent and received from specific websites. ... Click on the wrench icon to the right of the address bar.

Apple’s SSL certificate that is responsible for verifying and authenticating connections to Apple’s Mac App Store software update servers has expired, causing the Mac App Store to issue errors ...

You can bypass the SSL vulnerability in OS X with a couple of temporary changes, until a software fix is made available. Topher, an avid Mac user for the past 15 years, has been a contributing ...

Apple today released an update to Mac OS X that blocks Safari users from reaching sites secured with certificates stolen from a Dutch company last summer. The update follows others by Microsoft ...

When a user marks a certificate as untrusted in Keychain and the cert is EV-SSL, ... SSL Certificate Scandal Exposes Bug in Mac OS X. By Larry Seltzer . Sep 01, 2011.