(ISC)2 Certified in Cybersecurity Practice Exam

Is network segmentation considered the most important control for embedded devices?

1. True

2. False

The correct answer is: True

Network segmentation plays a critical role in enhancing the security of embedded devices. By logically dividing a network into segments, organizations can limit access to sensitive areas and reduce the attack surface. This practice is especially important for embedded devices, which often have limited processing power and security capabilities. When embedded systems are placed in a segmented network, it becomes significantly more challenging for attackers to move laterally within the network if one device is compromised. This containment strategy helps protect sensitive data and systems from broader cyber threats, as it prevents unauthorized access and minimizes the potential impact of a security breach. Additionally, network segmentation can facilitate compliance with regulatory standards by enforcing strict access controls and preventing data exfiltration. It provides a structural framework for implementing security policies that are tailored to the specific needs of embedded devices, which might be more vulnerable than traditional systems. In high-security environments or those managing critical infrastructure, ensuring that embedded devices are adequately protected through segmentation is paramount. This underscores why network segmentation is viewed as a vital control for these types of devices.