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

Isolation is like completely separate, while segmentation means it is still on the network providing service

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.

Isolation involves separating the legacy server from other parts of the network to minimize potential security risks while maintaining its operational role. This can help protect the rest of the network from vulnerabilities associated with the legacy system, ensuring that the critical application remains secure and functional.

B. Isolation Isolation would be the best approach for handling a critical business application running on a legacy server. By isolating the legacy server, you minimize its exposure to potential security threats and reduce the risk of compromising other parts of the network. This allows you to maintain the functionality of the critical application while also enhancing security.

Isolation is the process of separating the legacy system from the rest of the network to reduce the risk of vulnerabilities being exploited. This approach allows the legacy application to continue operating while minimizing its exposure to potential threats. Segmentation is similar but generally applies to creating separate network segments for security. However, isolation goes further by limiting interactions strictly to what is necessary.

B. Isolation ...managing a critical business application on a legacy server. By separating the legacy server from the rest of the network to prevent potential threats from spreading. This way effective in protecting the critical application from vulnerabilities inherent to the legacy system.

A. Segmentation is one of the only things you can do for legacy systems.

• B. Isolation Segmentation, wenn die Application mehrere Systeme bräuchte; Härtung geht nicht mehr; Decommissioning noch nicht….

Isolation because Segmentation involves dividing a network into separate segments or zones to control the flow of traffic and limit the scope of potential security breaches. It's typically applied at the network level to create boundaries between different parts of a network, such as separating internal networks from external ones or segmenting departments within an organization. Isolation, on the other hand, focuses on physically or logically separating a specific system, application, or resource from the rest of the network or environment. It involves placing the critical business application on its own server or within its own isolated environment to reduce the risk of unauthorized access or compromise.

segmentation because the device is STILL running a critical application. therefore it needs to be connected to the network. a compensating mechanism for this scenario would be segmentation as this would limit the ability of an attacker to pivot from the vulnerable server to the rest of the network.

A. Segmentation