Jalal Feghhi is a senior software engineer at VeriSign, Inc., a world leader in digital certificate technology. His research interests include Internet security and object technology. Jalal is the author of Web Developer's Guide to Java Beans. Jalil Feghhi is a senior software engineer with @Home Network, Inc. His research areas include component-based software technology and network communications. Jalil is a contributing author to Web Developer's Guide to Java Beans. Peter Williams, an authority in communications security, has worked in research and development of digital certificate technologies since 1991. He is a certificate-based security systems architect at VeriSign, Inc. .