Segmentation Glossary

Browse 18 segmentation terms defined in plain English, from the cultural dictionary of computing.

18 Segmentation Terms

Demilitarized Zone
A network segment placed between untrusted external networks and trusted internal systems to host public-facing services under tighter isolation. The idea is...
DMZ
Short for demilitarized zone, a network segment used to isolate public-facing systems from more trusted internal networks. A DMZ reduces blast radius when...
Flat Network
A network design with little or no internal segmentation, where many systems can communicate freely once inside the perimeter. Flat networks are dangerous...
Ideal Customer Profile
The detailed description of the customer type most likely to buy successfully, retain, and expand based on fit, economics, and urgency. It is more precise than...
Industry Vertical
A specific industry segment such as healthcare, retail, logistics, or legal services used to define product focus and go-to-market specialization. Vertical...
Jump Box
A hardened intermediary system that administrators must connect through before reaching sensitive internal hosts. Jump boxes centralize privileged access,...
Jump Server
A server that acts as the approved intermediate point for reaching protected systems, especially in tightly controlled enterprise or cloud environments....
Micro-Segmentation
A fine-grained security approach that restricts east-west communication between workloads, services, or devices using detailed identity- or policy-based rules...
Mid-Market
Referring to companies that sit between small businesses and large enterprises in size, complexity, and buying process. Mid-market customers often need more...
Network Isolation
The deliberate separation of systems or segments so traffic between them is prevented or tightly controlled. Network isolation is used both for architecture,...
Network Policy
A defined rule set controlling which network communications are allowed between systems, services, namespaces, or endpoints. The term is commonly used in...
Private Network
A network that is not directly exposed to the public internet and is intended for internal or restricted communication. A private network is not automatically...
Restricted Network
A network segment with tight access controls, limited connectivity, and stricter usage rules than general-purpose internal networks. Restricted networks are...
Ring Fence
To isolate a system, dataset, account, or environment from broader access so risk is contained within a defined boundary. In security operations, ring-fencing...
Small Business
A relatively small company or customer segment, typically with simpler buying processes and lower contract values than mid-market or enterprise accounts....
Target Market
The specific customer segment a company chooses to pursue based on need, fit, and commercial potential. Strong startups narrow the target market enough to win...
Up Market
Describing a move toward larger, more complex, or more premium customers than the company originally served. Going up market often increases deal size but also...
Vertical
A specific industry segment or category of customers, such as healthcare, legal, or logistics. Startups often choose a vertical focus to sharpen product fit...

Related Topics