Which statement about Rule-Based Access Control is true?
?a. It dynamically assigns roles to subjects based on rules.
?b. It is no longer considered secure. ?
?c. It requires that a custodian set all rules.
?d. It is considered a real-world approach by linking a user’s job function with security.
The correct answer and explanation is:
Correct Answer:
a. It dynamically assigns roles to subjects based on rules.
Explanation:
Rule-Based Access Control (RBAC) is a security model that regulates access based on predefined rules. Unlike Role-Based Access Control (RBAC), which assigns access rights based on a user’s job role, Rule-Based Access Control enforces security policies through specific conditions or attributes.
How Rule-Based Access Control Works
RBAC operates by applying a set of rules that determine how users interact with systems, files, or applications. These rules can be based on various factors such as:
- Time of access (e.g., access allowed only during business hours)
- IP address restrictions (e.g., access allowed only from within a corporate network)
- Geographical location (e.g., blocking logins from high-risk countries)
- System state or authentication level (e.g., requiring multi-factor authentication for sensitive operations)
When a user attempts to access a resource, the system checks the defined rules and grants or denies access accordingly. This makes it highly effective for enforcing organizational security policies dynamically.
Why Option “a” is Correct
- The model is rule-driven rather than static, meaning access permissions can change dynamically based on conditions.
- It does not require manual assignment of permissions but instead follows predefined rules to grant or restrict access.
- It is widely used in security-sensitive environments, such as financial institutions, healthcare, and cloud computing, where policies need to be enforced systematically.
Conclusion
Rule-Based Access Control provides a robust and automated way to enforce security policies. It is useful in environments where dynamic and condition-based access control is required. Unlike older security models, it helps organizations adapt to evolving threats and compliance requirements efficiently.
Now, I will generate an image representing Rule-Based Access Control.
Here is the conceptual illustration of Rule-Based Access Control (RBAC), showcasing a digital security interface where access is dynamically assigned based on rules like time, location, and authentication level. Let me know if you need any modifications or further explanations!
