Zwicky is a director of Counterpane Internet Security, a managed security services company. She has been doing large-scale Unix system administration and related work for 15 years, and was a founding board member of both the System Administrators Guild (SAGE) and BayLISA (the San Francisco Bay Area system administrator group), as well as a nonvoting member of the first board of the Australian system administration group, SAGE-AU. She has been involuntarily involved in Internet security since before the 1988 Morris Internest worm. In her lighter moments, she is one of the few people who makes s...