If reports issued by several well-known antivirus companies are on the money, IT administrators will continue to face <A HREF="http://www.eweek.com/article2/0,1895,1949650,00.asp?kc=ewnws041706dtx1k0000599">new and sophisticated forms of malware</A> that challenge the security industry's ability to stay ahead of emerging threats. Based on a new study released by software maker McAfee's Avert Labs group, the technology used to cloak many different forms of malware, especially rootkits, is becoming increasingly complex and harder to detect.