I received the newsletter from Microsoft this morning. It's a very recent scam that Microsoft is warning customers about.

http://blogs.msdn.com/securitytipstalk/archive/2010/03/09/don-t-fall-for-phony-phone-tech-support.aspx

I never head about this honestly from here and almost all post gives huge information and your gives nice stuff . It's really a great assistance you have provided to those who are new in the field and also to those who are from years.