Context-Based Access Control
Context-based access control, also known as dynamic access control, is an access control method where decisions to grant or deny access are made based on the context of the access request. The context may include factors such as the user's role, location, device type, network connection, and time of day, among others. Context-based access control provides a granular, dynamic, and adaptive approach to managing access rights, enhancing security by continuously analyzing relevant factors and adjusting permissions in real-time. This helps to ensure that only authorized individuals with the appropriate contextual conditions are granted access to sensitive resources without affecting legitimate user access and preventing unauthorized access attempts.
Guide: Context-Based Access Control - CISSP Concept
What is Context-Based Access Control?
Context-based access control, also known as CBAC, is a security feature that provides increased control over network access. It is primarily used to allow or deny access to network resources based on certain conditions or contexts.
Why it is important?
CBAC is important because it allows for more granular control over network access. It provides dynamic access control based on application-specific, session-specific, or context-specific information. This can greatly enhance network security and prevent unauthorized access.
How it works?
CBAC works by inspecting the traffic that flows through network points and applying rules or policies based on the context of the traffic. This context could include details like the user's role, the time of day, the location, or the type of traffic.
Exam Tips: Answering Questions on Context-Based Access Control
When answering questions on CBAC, remember:
- Understanding the context: Ensure you understand the concept of 'context' in this setting - factors like role, location, type of traffic etc.
- Feature Details: Understand the underlying features of CBAC and how it enhances network security.
- Working Mechanism: Be clear on how CBAC works, including how it inspects traffic and applies policies.
- Real-World Applications: Consider how CBAC is applied in real-world scenarios - this will assist in understanding conceptual and applied questions.
CISSP - Access Control Example Questions
Test your knowledge of Amazon Simple Storage Service (S3)
Question 1
A multinational company has offices around the world and requires a context-based access control policy that restricts employees' access to sensitive data based on their location. Which attribute should be implemented for access control in this case?
Question 2
A company implemented a remote work policy in light of the COVID-19 pandemic. They need an access control system that allows employees to access company resources only during specific hours. Which access control system should they implement?
Question 3
A bank requires its users to authenticate via location-aware conditional access for its online banking services. Bank customers are only allowed to log in to their accounts from pre-registered IP addresses. Which context attribute is the bank using for access control?
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