Network Segmentation

Network segmentation

divides a network into logical or physical groupings that are frequently based on trust boundaries, functional requirements, or other reasons that help an organization apply controls or assist with functionality. VLANs are commonly used for ____

Screened subnets (often called DMZs)

are network zones that contain systems that are exposed to less trusted areas

Intranets

are internal networks set up to provide information to employees or other members of an organization, and they are typically protected from external access

Extranets

are networks that are set up for external access, typically by partners or customers rather than the public at large