What is the purpose of network segmentation?

The purpose of network segmentation is primarily to improve security by dividing larger networks into smaller, isolated segments. This approach restricts the flow of traffic between different segments, thereby minimizing the attack surface and limiting the potential impact of a security breach. By isolating sensitive data and critical systems in their own segments, organizations can implement more specific security policies and controls tailored to the needs of each segment. This means that even if one segment is compromised, the others remain protected, thereby containing threats and enhancing the overall security posture of the entire network.

While enhancing network performance, simplifying administration, and facilitating remote access can be beneficial effects of segmentation, the primary goal is to bolster security measures through better control and isolation of traffic.