Network Segmentation

Network Segmentation Strategies

HxHippy

27 Nov 2025 — 1 min read

Network segmentation divides networks into smaller, isolated segments, limiting attacker lateral movement after initial compromise.

Why Segment Your Network?

Contain breaches and limit blast radius
Protect sensitive data and systems
Meet compliance requirements (PCI-DSS, HIPAA)
Improve network performance

Segmentation Strategies

Physical Segmentation: Separate hardware for different zones. Most secure but expensive.

VLAN-Based: Logical separation using 802.1Q tags. Cost-effective.

Software-Defined (SDN): Centralized, policy-based. Flexible and scalable.

Micro-Segmentation: Granular, workload-level isolation. Essential for Zero Trust.

Common Network Zones

DMZ: Public-facing services
Production: Business-critical applications
Development: Testing environments
Management: Administrative access
IoT/OT: Industrial devices
Guest: Visitor access

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