Cybersecurity definition
What is Microsegmentation?
By Cyber Tool Stack Editorial TeamUpdated
Definition
Dividing a network into small, isolated zones — down to the level of individual workloads — with tightly controlled traffic rules between them, so a compromise in one segment can't freely spread laterally to the rest of the environment.
Where Microsegmentation fits in the security landscape
These beginner lessons use this term while explaining the surrounding security control.
Related cybersecurity terms
Lateral MovementThe stage of an attack where, after gaining an initial foothold, an intruder moves from system to system inside a network to reach more valuable targets, often using stolen credentials rather than new exploits.Zero TrustA security approach that verifies every request based on identity, device, and context, instead of assuming anything is safe just because it's already inside the corporate network.