Micro-segmentation divides a network into small, isolated zones. Precision means each segment has exact access rules, applied at the workload or process level. No broad permissions. No lazy defaults. Every packet path is deliberate.
With precise micro-segmentation, lateral movement is cut off. A compromised container cannot touch another service unless explicitly allowed. Threat blast radius shrinks to a single node or process. This is control measured in milliseconds and enforced by policy.
To achieve it, the architecture must treat policy as code. Define segments by intent, not IP ranges. Map each service’s dependencies. Apply zero trust between zones. Automate with APIs so every deployment carries the same segmentation logic.