CISSP® Certification Domain 3: Security Architecture and Engineering Video Boot Camp for 2022 - Secure system design con

The video tutorial covers the concept of layering in hardware and software, emphasizing the separation of functionalities into layers that interact only with adjacent layers. It explains kernel and user modes, highlighting their roles in system access and recovery. The tutorial compares open and closed systems, discussing their security implications. Finally, it introduces the ring model, a theoretical framework for separating trusted and untrusted components in a system.

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