Those still running Windows Server 2003 will be increasingly vulnerable to hackers.
That risk could lead to some businesses being barred from accepting credit card payments.
However, the software still works, for now.
Microsoft has some assessment and planning tools available online to help those still deciding how to upgrade.
It still supports two newer versions of Windows Server, 2008 and 2012.
For consumers, this applies to Microsoft Security Essentials.
source: www.techworm.net