A. Segmentation
Segmentation is the best approach to handle a critical business application running on a legacy server. By segmenting the legacy server from the rest of the network, you can limit the potential impact of any vulnerabilities associated with the legacy system. This approach allows the critical application to continue running while minimizing the risk to the rest of the network.
Therefore, the correct answer is:
A. Segmentation
Hardening involves implementing security measures to protect the application from threats while maintaining its availability. Segmentation and isolation can also be part of a security strategy, they are more about limiting access or separating the legacy system from other network segments, which might not be feasible for a critical business application that requires interaction with other systems.
hardening involves measures such as patches, removing unnecessary services, and tightening configurations to reduce vulnerabilities. While hardening is crucial, it may not be sufficient on its own for handling a legacy server due to the inherent limitations and risks of older systems.
Isolation, might be better strategy because it minimizes the exposure of the lacy server to the rest of the network and reduce potential impact of any security issues on other systems.
Isolation is the most effective approach to ensure the legacy system is protected while continuing to support critical business functions, making B the correct choice.
Given the constraints associated with legacy systems, B. Isolation is the most practical approach to mitigate security risks. By isolating the legacy server, you can protect it and the broader network from potential vulnerabilities.
D. Decommissioning
While segmentation, isolation, and hardening can be useful security measures, the best long-term solution for a legacy application is to decommission it and replace it with a more modern and secure alternative. Legacy systems are often difficult to patch, update, and secure, making them prime targets for cyberattacks. By decommissioning the legacy server, the organization can reduce its attack surface and improve its overall security posture.
A Segmentation
This is a critical business application if the system is isolated it would not function properly
segmentation would Allow the legacy server to continue operating within the network while restricting its communication to only necessary systems and users. This reduces the attack surface and helps protect the rest of the network from potential vulnerabilities associated with the legacy server.
One of the best ways to handle a legacy server running a critical business application is to harden it. Hardening is the process of applying security measures and configurations to a system to reduce its attack surface and vulnerability
My study guide says isolation is the answer and its really seems like it could also situationally be A. I hate how some of these questions are constructed. I guess I'd go B on the test.
The keyword here is "critical business application", "B" is the best choice for maximum security. However, a "critical business application" needs to balance security with resource efficiency (compensating mechanism), so I would go with "A".
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