The word "rootkit" often send chills up the spines of IT security professionals. But not all rootkits are launched by cyber-criminals bent on stealing personal information, industry experts said at <A HREF="http://www.eweek.com/article2/0,1895,2091417,00.asp?kc=EWNAVEMNL020707EOAD">a panel discussion at the RSA Conference</A> Feb. 6. Although Sony no longer uses the software, its attempt to use rootkit technology in the name of business signals that it is not just hackers who have an interest in using the technology.