CCT 164: Mastering Process States, Execution Types, and System Architectures for the CISSP (Domain 3)

CISSP Cyber Training Podcast - CISSP Training Program

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Ever wondered how mastering process states and system architecture can be as straightforward as organizing your child's toy box? Join me, Sean Gerber, on the CISSP Cyber Training Podcast as we unpack the complexities of these crucial concepts to help you ace the CISSP exam. Drawing from my personal journey and the hurdles I faced, I'll share practical tips and relatable analogies that make even the most daunting topics accessible. We start by breaking down the initiation of processes in computer systems and the significance of modular development in application design.
Transitioning from theory to practice, we'll explore the importance of resource allocation and process switching. By comparing familial inheritance with computing, I'll demonstrate how permissions and capabilities are passed down within systems. Recalling my experiences with older technology like the B-1 bomber, we'll examine the challenges and strategies for integrating outdated systems with modern applications. We'll delve into the functions of process control blocks (PCBs), security contexts, and the critical role of process scheduling for optimal system performance.
Lastly, we'll focus on the intricacies of process states and kernel mode operations. Understanding how processes transition between states—ready, running, and waiting—can help mitigate cybersecurity risks such as code injection and privilege escalation. We'll discuss why kernel mode is a prime target for attackers and the importance of context switches, comparing how Windows and Linux handle these operations. Wrapping up, we'll emphasize the need for robust protection mechanisms and running operations in restricted states to ensure system stability and security. Tune in to equip yourself with the knowledge needed for effective decision-making in your cybersecurity career.

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Chapters

1. CISSP Cyber Training and Process States (00:00:00)

2. Resource Allocation and Process Switching (00:07:03)

3. Process States and Resource Allocation (00:15:10)

4. Understanding Process States and Kernel Mode (00:26:16)

5. Understanding Operating System Kernel Mode (00:32:37)