Microsoft will stop releasing security patches for Windows XP on April 8th, 2014. Microsoft will not be able to migrate all of its XP machines to Windows 7 or 8. There are steps we can take to mitigate the risk, even after we stop getting security updates. The most important thing is catching an incident before it turns into a problem. The assets you most need to be concerned about are running your business systems. Use a non-administrative account to reduce the risk of these attacks.”]
Source: https://informationsecuritybuzz.com/articles/practical-approach-windows-xp-security-cliff/