Fake Microsoft Security Alert – KB910721

In the last few days our spam filters started flagging numerous instances of a new malware message  [ click to view ] supposedly coming from Microsoft. 

It looks very legit, even spelling and grammar are unusually proper. However, clicking on the links contained in this message will install a nasty little Trojan [ Troj/Spy-CU ] aiming to steal your sensitive financial information among other things.