Malicious hackers are <A HREF="http://www.eweek.com/article2/0,1895,1902896,00.asp?kc=ewnws121905dtx1k0000599">targeting U.S. credit unions</A> with phishing emails that try to take advantage of a recently patched Internet Explorer browser hole to compromise systems used by the bank, according to CUISPA, an association of IT professionals who work at credit unions. The attacks use email messages that are being sent to CEOs and other executives at credit unions across the United States. The messages contain a link to a Web page that, when visited, attempts to download a Trojan horse program onto the executives' machines.