600.436 High-Assurance
Systems
Fall 01/System Security Realization
3
Points to Remember
¨System Security Realization Families
Seem to
Require Top-Down Development
–NOT SO – they require that the
realization be PRESENTED as a series of refinements
–There are NO requirements that the TOE
be developed
in a strict top-down fashion
¨System Security Realization Families
Are Specified
To Facilitate Evaluation
–Challenge is to develop TOE so that all
required
information is captured