Deborah Russell manages documentation consulting services for a joint venture of O'Reilly & Associates and Cambridge Computer Associates. In recent years, the focus of her consulting work has been computer security. Her consulting projects include work on the development of a secure UNIX kernel, several trusted operating systems, and a secure compartmented mode workstation. Ms. Russell has worked closely with a number of vendors during the "Orange Book" trusted system evaluation process. She has a degree from Harvard University.