ANUP K. GHOSH, PhD, is a research scientist with Reliable Software Technologies (www.rstcorp.com). He is an expert in security analysis of web-based applications and web servers. At RST, he is a principal investigator on a research contract with the National Institute of Standards and Technology investigating the security of the software components used in electronic commerce. He is also a principal investigator on a research contract with the U.S. Dept. of Defense investigating how to protect desktop systems from information warfare attacks.