Websense® Security Labs™ has received reports of a large scale attack in Europe that is using the MPACK web exploit toolkit.  For more information on MPACK please see the Panda Labs blog here:

At the time of this alert our ThreatSeeker technology has discovered more than *10,000* sites that have been compromised and have IFRAMES pointing to the hub infection site.

Assuming users connect to one of the compromised sites and are vulnerable to one of several loaded exploits a Trojan Horse is downloaded onto their machine which is designed to steal banking, and potentially other confidential information through a serious of web infection downloads.