Top 8 Network Segmentation Best Practices in 2026 | UpGuard

This article outlines network segmentation concepts (VLAN, firewall, SDN), contrasts segmentation with micro-segmentation, lists the benefits of segmenting networks, and provides eight practical best practices—including continuous monitoring, avoiding over/under-segmentation, limiting third-party access, asset inventory, grouping resources, endpoint protection, least-privilege principles, and simplifying legitimate data paths—to reduce lateral movement and better protect sensitive data.