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Computer security is much in the news, but there is little light shown on the subject. This page will attempt to highlight a few of the items that are critical to any effective computer security environment.
True security requires hardware and an operating system that is secure by design. Only such a system should be used for anything important. A secure by design system must include all of the following:
The only hardware and operating system that supports these requirements that I am aware of is z/OS running on IBM z series hardware.