Foreword Leonard
نویسنده
چکیده
Much has changed in computer security since 1973, when the Bell-LaPadula model was first published. Development has moved away from kernel-based secure systems toward application-level security capabilities, providing secure transactions on top of commercial, nonsecure operating systems. The potential for widespread use of encryption for privacy, authentication, and other services, as embodied in digital signature and other technologies, has become quite apparent. At the same time there has been waning interest in formal, or even informal, modeling. This trend has obvious benefits for electronic commerce, rapid fielding of new systems, reduced cost, and so on, but something important appears not to be happening. The development of information policy from a number of aspects is not getting the attention it deserves. As several colleagues and I have noted at symposia and in papers, there are perhaps seven levels of elaboration of requirements relevant to use of automated systems in enterprises. One view of these identifies
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The First Laws of Health. A Health Reader for Indian Schools
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