18 Questions
What is the significance of properly identifying an information system's boundary?
All of the above
Why is it essential to enumerate and document all applications and systems that store or process the system's data?
To assess and analyze the security architecture comprehensively
How might a large system boundary encompassing various services impact the level of protection required by the system owner?
Increase the vulnerability of the system
In terms of boundary protection, why might NIST guidance and PCI standards differ in considering certain services?
Because of differences in boundary definition
What potential risk arises from having a system boundary that is too narrow?
Exclusion of critical resources from adequate protection
Why is it important to consider not only where data is stored but also where it flows when identifying a system's boundary?
To prevent unauthorized access and data breaches
What is one of the key security design principles mentioned in the text?
Defense in Depth
What is the purpose of understanding and documenting inbound and outbound traffic for high-value systems?
To implement the principle of Least Privilege
Which network security components can enhance network segmentation, as mentioned in the text?
Firewalls and proxies
What is the purpose of a Demilitarized Zone (DMZ) in a network?
To provide a secure area for critical systems
What is the recommended approach for system network communications according to the text?
Deny all traffic by default
Why is it important to have a multi-layered approach to network security?
To effectively segment networks and control data flow
Which of the following is NOT a reason to account for dependencies outside the system boundary?
They are outside the scope of the system being reviewed
What does the CIA triad refer to?
Confidentiality, Integrity, and Availability
What should an organization have for a well-defined system boundary?
A documented diagram depicting all entities that store or process system data
Which of the following is NOT a method of boundary protection mentioned in the text?
Intrusion Detection Systems (IDS)
What is the purpose of boundary protection?
To prevent and detect unauthorized communication
What might have different CIA triad requirements than the high-value system?
The other systems residing in the hosting environment
Learn about the importance of defining system boundaries in cybersecurity assessments and how critical dependencies outside the boundary can impact the CIA triad of confidentiality, integrity, and availability. Discover how to account for additional risks and create well-defined diagrams for storing entities.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
