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Domain 3 covers Security Architecture and Engineering while Domain 4 covers Communication and Network security
Updated on Sep, 2026
IT and Software , IT Certifications,
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The CISSP exam is governed by the International Information Systems Security Certification Consortium (ISC). (ISC) is a global, not-for-profit organization. It has four primary mission goals:
Maintain the Common Body of Knowledge (CBK) for the field of information systems security.
Provide certification for information systems security professionals and practitioners.
Conduct certification training and administer the certification exams.
Oversee the ongoing accreditation of qualified certification candidates through continued education.
The (ISC)2 is operated by a board of directors elected from the ranks of its certified practitioners.
Enhance your knowledge and review domain 3 and 4 of CISSP.
Domain 3 covers Security Architecture and Engineering while Domain 4 covers Communication and Network security.
Domain 3 covers the following topics:-
Engineering,Security models such as Biba, Star Model, Bell-LaPadula, Clark wilson model
State Machine model, Certification generation and destruction
TLS and its functioning
Securing communication whilst in transit using IPSec
TCSEC, ITSEC and Common Criteria
Web architecture attacks, OWASP top 10
Secure system design concept
Various states of processes
Viruses, Trojans, Backdoors
Domain 4 covers the following topics:-
Implement secure design principles in network architectures
Secure network components
How to protect wireless communications
Various layers of OSI model
Protocols used in various layers of OSI model
CDN, CSMA CA/CD, Routing protocols
MAC and IPv4 addressing
Discover where and how to begin your CISSP certification path.
Understand IT Security and Cyber Security from a management standpoint.
Domain 3 - Security Engineering
Domain 4 - Communication and Network Security
A fundamental grasp and knowledge of computers, networks, information technology, and cyber security.
Personal knowledge and experience in cyber security are desirable but not needed. The CISSP certification is THE senior-level cyber security certification, and it will be assumed that you have a basic understanding of cyber security topics.
Check out the detailed breakdown of what’s inside the course
I am a Cyber Security Professional with 9+ years of experience in the domain, out of which i have spent more than 6 years as Training and Awareness Officer. My area of expertise include trainings on CISSP, Comp Tia Sec+, latest trends and vulnerabilities in cyber security.
I have led multiple awareness programs on Cyber threat management, Security operations and Threat detection and mitigation.
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