Illumio Segmentation vs Zscaler Microsegmentation

Illumio Segmentation9.3Visit Zscaler Microsegmentation8.8Visit

Higher score Illumio Segmentation #2 in Microsegmentation Software 9.3/10 Pricing on request · 30-day trial Free trial✓ 0 of 3 features Visit Illumio

vs

Zscaler Microsegmentation #7 in Microsegmentation Software 8.8/10 Pricing on request ✓ 3 of 3 features Visit Zscaler

• Illumio Segmentation fits best

  Mature workload segmentation with broad integrations

• Zscaler Microsegmentation fits best

  AI-assisted workload and process segmentation

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Side by side

Feature	Illumio Segmentation 9.3/10 Visit ↗	Zscaler Microsegmentation 8.8/10 Visit ↗
At a glance
Editor score	9.3	8.8
Ranking	#2 in Microsegmentation Software	#7 in Microsegmentation Software
Best for	Mature workload segmentation with broad integrations	AI-assisted workload and process segmentation
Pricing model	Paid	Paid
Starting price	Pricing on request · 30-day trial	Pricing on request
Free plan	—	Not checked yet
Free trial	30 days	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Windows, Linux	Web
Support	Phone, Community, Docs	Phone, Tickets, Docs
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features Illumio Segmentation 0/3 · Zscaler Microsegmentation 3/3
Kubernetes enforcement	Not checked yet	✓ (best)
Policy simulation	Not checked yet	✓ (best)
Identity-based rules	Not checked yet	✓ (best)
Specs
Deployment model	Not checked yet	Agent_based
Workload coverage	Not checked yet	Mixed
Policy granularity	Not checked yet	Process
Cloud environment	Not checked yet	Hybrid
Our review
Pros	Real-time visibility into active and blocked workload connections Application ringfencing, quarantine, and bidirectional policy rules Broad security, cloud, SIEM, and automation integrations	AI-assisted recommendations support workload grouping and policy design Process- and application-level controls enable granular segmentation Policy simulation and host-based enforcement support safer rollout
Cons	Pricing requires a sales conversation No free plan is offered Policy scope may exceed smaller or narrowly focused teams' needs	Pricing requires a sales conversation and is tailored to deployment scale Agent-based deployment requires hosts to run the enforcement agent Kubernetes enforcement is documented for Google Kubernetes Engine
Our verdict	Illumio Segmentation is a zero-trust microsegmentation product for security teams protecting workloads across cloud environments, endpoints, data centers, and containers. It maps communications, applies workload identity and labels to… Read the review →	Zscaler Microsegmentation is an agent-based security product for organizations isolating workloads and controlling east-west traffic across multicloud and data-center environments. It is aimed at teams securing mission-critical… Read the review →

Strengths and trade-offs

• Illumio Segmentation — where it wins

  • Real-time visibility into active and blocked workload connections
  • Application ringfencing, quarantine, and bidirectional policy rules
  • Broad security, cloud, SIEM, and automation integrations

  Where it doesn't

  • Pricing requires a sales conversation
  • No free plan is offered
  • Policy scope may exceed smaller or narrowly focused teams' needs

• Zscaler Microsegmentation — where it wins

  • AI-assisted recommendations support workload grouping and policy design
  • Process- and application-level controls enable granular segmentation
  • Policy simulation and host-based enforcement support safer rollout

  Where it doesn't

  • Pricing requires a sales conversation and is tailored to deployment scale
  • Agent-based deployment requires hosts to run the enforcement agent
  • Kubernetes enforcement is documented for Google Kubernetes Engine

• Illumio Segmentation9.3/10 · Pricing on request · 30-day trial

  A mature choice for policy-driven workload segmentation across hybrid infrastructure.

  Visit IllumioFull verdict →
• Zscaler Microsegmentation8.8/10 · Pricing on request

  AI-assisted, process-level segmentation for hybrid and multicloud workloads.

  Visit ZscalerFull verdict →