Abstract

During the many years in which I have been involved in building client/server systems, I have often been asked if there is any real difference between the security of client/server systems and that of traditional, mainframe-based systems. The simple though seldom heard answer is yes—adoption of such a new architectural paradigm has a direct impact on security. It does not significantly affect existing security objectives; in most cases, security objectives remain constant. However, a new systems architecture does require that existing security methods and tools be either changed or replaced with new security techniques and tools. In short, what has to be done remains constant; how it is done changes depending on the new systems architecture. This column addresses a number of the unique security issues that are raised by adoption of client/server technologies.

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