http://www.optimizemag.com/issue/024/security.htm
Espionage: A Real Threat By Minh Luong October 2003, Optimize, Issue 24
Are corporations doing enough to protect themselves from espionage? Some of the informative discussion in this article is a listing of industries most at risk, noting the likely economic espionage "leaks", and a human factor checklist related to various levels of computer staff.