A cryptographic certificate Microsoft generated three weeks ago to authenticate the servers used to deliver updates to hundreds of millions of Windows users has received a failing grade from a widely ...

How to resolve SSL certificate warnings produced by the latest Chrome update Your email has been sent The latest Chrome update adds a stringent security feature which can prompt certificate warnings ...

If you were tried to install OS X software updates this weekend, you might have noticed that you…can’t. As MacRumors points out, OS X users who attempt to install ...

Microsoft has issued an emergency update for most supported versions of Windows to prevent attacks that abuse recently issued digital certificates impersonating Google and Yahoo. Company officials ...

Gmail's intermediate SSL certificate for the Simple Mail Transfer Protocol (SMTP) appears to have expired, causing issues for new users trying to send email via Gmail or Google Apps with the standard.

Website owners take notice: In weeks, Mozilla products including its popular Firefox browser will stop trusting an unknown number of SSL certificates that were issued using old root CA certificates ...