Saya Systems logo Safety and Testing in
Software and Systems
Applied Technology for
Science, Engineering
and Business

Safety and Testing in Critical Software and Systems

Designed and implemented the FDA 820.30 Design Control Procedure for RAHD Oncology Products, integrated with the distributed software development environment as a cyclic state machine, with a custom developed database driven web interface and cycle/revision control via CVS. Passed FDA inspection in just 1 day, when 4 had been scheduled. The inspector's only comment was to "keep up the good work". 2000-2006

Designed a comprehensive methodology for structured software testing, which addressed the limitations and problems associated with the reliable, ongoing testing of complex systems, for RAHD Oncology Products. 2000-2002

Extensive research into safety of software and systems, as part of my Ph.D. research in computer security. 1988-1993

A Note on Security, Safety, and Privacy

Security, safety, and privacy are essentially all the same problem. They differ only in terms of the policy that must be enforced. In each, the overall goal is the same, that is, for the system to do what you want it do do, and never do what you don't want it to do. The problem then becomes, how to deal with this "negative requirements specification" -- defining what you do not want to occur, and then ensuring it. Thus, the same tools and knowledge apply in all three arenas.

To learn more, see selections under Safe Systems at left.

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