Security researchers point to cyberespionage attackers possibly out of China as culprits in the attacks. Attackers cheated two widely respected Microsoft security features to wage targeted attacks via a previously unknown flaw in Internet Explorer. Microsoft says the vulnerability resides in IE6, IE7, and IE8 only, and that attacks were waged via IE8. Microsoft is urging users to install the MSHTML Shim Workaround Fix It, an easy, one-click solution offered with Security Advisory 2794220.”]