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 ...

Microsoft released an update to blacklist an SSL certificate for one of its domain names that was issued to an unauthorized third party. The improperly issued certificate could be used to spoof ...

An Iranian hacker going by the name of 'Comodohacker' claims that Windows PCs are vulnerable to attack from malware-loaded updates digitally signed with stolen certificates. 'Comodohacker' makes the ...