If you haven't already, it might be time to upgrade to Internet Explorer (IE) 8. Microsoft just confirmed that a new flaw that affects both IE versions 6 and 7 is already being exploited in targeted attacks and could possibly allow remode code execution. McAfee confirmed that these attacks load malicious code without the knowledge of the user. Once the code is loaded, it makes repeaded changes to teh HTML document which will, in turn, provoke execution of the malicious code. Upgrading to IE 8 has proven to be the best solution, as it has shown immunity to these exploits.
Read more on the Internet Explorer flaw.
Contact MITC for upgrade information.