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Top 10 Microsegmentation Tools to Enhance Network Security

Originally Published:
June 11, 2025
Last Updated:
June 17, 2025
8 min

Traditional perimeter-based security models are no longer sufficient in today’s complex, hybrid IT landscape. With the rapid growth of cloud-native applications, containerized workloads, and remote workforces, attackers can easily move laterally once inside a network. That’s where microsegmentation comes in,  a security strategy designed to isolate workloads, reduce the attack surface, and enforce Zero-Trust principles from the inside out.

Unlike traditional segmentation methods such as VLANs or firewalls operating at broader network levels, microsegmentation enables granular control over east-west traffic and data movement between servers, containers, or applications inside a network. Whether it’s a compromised credential or an unpatched server, microsegmentation helps contain the threat by enforcing least-privilege access policies and isolating sensitive assets.

The growing emphasis on Zero Trust Network Architecture (ZTNA), compliance with frameworks like NIST 800-207, HIPAA, and PCI-DSS, and the need for real-time policy enforcement drive enterprises to adopt microsegmentation as a core part of their security posture.

This guide compares the top 10 microsegmentation tools in 2025 that enable security leaders to:

  • Visualize and map application dependencies
  • Enforce dynamic segmentation policies
  • Isolate sensitive workloads across cloud, on-prem, and hybrid environments
  • Monitor and respond to east-west threats in real time
  • Ensure regulatory compliance and audit-readiness

What Is Microsegmentation and Why It Matters?

Microsegmentation divides a network into granular, isolated zones to minimize the risk of lateral movement by cyber attackers. Unlike macrosegmentation, which segments at the VLAN or subnet level, microsegmentation enforces security policies at the workload, user, or process level.

Here’s how it differs from traditional methods:

Method Scope Granularity Control Type
VLANs Network-level Coarse Static, IP-based
Firewalls Perimeter or segment Medium Port/IP-based
Microsegmentation Workload-level Fine-grained Identity, context, behavior

Why It’s Crucial in Zero Trust?

Microsegmentation is foundational to Zero Trust Security. In a Zero-Trust model, no user or device is inherently trusted,  even inside the network. Microsegmentation aligns with this philosophy by ensuring:

  • Least privilege access is enforced
  • Workload-to-workload communications are explicitly approved
  • The attack surface is minimized

Real-World Use Cases

  • Healthcare: Isolate patient records and lab systems to comply with HIPAA
  • Finance: Enforce segmentation for payment systems and trading platforms
  • Manufacturing: Protect OT (Operational Technology) and ICS networks
  • Government: Enforce policy compliance across multi-agency infrastructures

Key Features to Look For in Microsegmentation Tools

When evaluating microsegmentation platforms, look for the following must-have features:

Application Dependency Mapping

Understand communication patterns between services, VMs, and containers to design effective policies.

Policy Orchestration & Automation

Create and enforce segmentation policies using automation and behavioral intelligence.

Real-Time Policy Enforcement

Instantly apply and enforce security controls without requiring reboots or downtime.

East-West Traffic Visibility

Complete inspection and logging of lateral traffic flows between internal assets.

Container & Cloud-Native Support

Work seamlessly across Kubernetes, AWS, Azure, GCP, and hybrid environments.

RBAC & Identity Integration

Control access based on roles, identity providers (IdPs), and user context.

SIEM, IAM & Firewall Integration

Ensure policies can be coordinated with your broader SOC and IAM infrastructure.

Top 10 Microsegmentation Tools to Watch in 2025

1. Illumio Core

Overview: Illumio pioneered microsegmentation and offers visibility and enforcement without agents in the network fabric.

Pros:

  • Agentless visibility into workloads
  • Real-time traffic flow mapping

Cons:

  • Requires tuning in high-throughput environments

User Ratings:

  • G2 Rating: 4.5/5 (12 reviews)
  • Gartner Rating: 4.8/5 (129 reviews)

Screenshot:

Picture 710001382, Picture

2. Cisco Secure Workload (Tetration)

Overview: Cisco’s Secure Workload provides workload protection and segmentation using telemetry from data centers and cloud platforms.

Pros:

  • Deep integrations with Cisco infrastructure
  • Strong telemetry and behavioral analysis

Cons:

  • A steeper learning curve for smaller teams

User Ratings:

  • G2 Rating: 4.7/5 (5 reviews)
  • Gartner Rating: 4.3/5 (19 reviews)

Screenshot:

Picture 1235449721, Picture

3. VMware NSX

Overview: VMware NSX delivers segmentation at the hypervisor level and integrates well with vSphere environments.

Pros:

  • Tight VMware ecosystem integration
  • Layer 7 application-level control

Cons:

  • Complex to deploy in non-VMware stacks

User Ratings:

  • G2 Rating: 4.4/5 (78 reviews)
  • Gartner Rating: 4.4 /5 (183 reviews)

Screenshot:

Picture 1367487463, Picture

4. Akamai Guardicore Segmentation

Overview: Formerly Guardicore, this solution (now part of Akamai) provides flexible segmentation across diverse environments.

Pros:

  • Agent-based visibility across OS types
  • Lightweight and scalable

Cons:

  • Lacks container-native policies

User Ratings:

  • G2 Rating: 4.5/5 (1 review)
  • Gartner Rating: 4.8/5 (113 reviews)

Screenshot:

Picture 1647549777, Picture

5. ColorTokens Xtended ZeroTrust™

Overview: ColorTokens offers agentless microsegmentation with compliance-grade reporting and behavioral analytics.

Pros:

  • Built-in compliance templates
  • Lightweight deployment

Cons:

  • Limited third-party tool integrations

User Ratings:

  • G2 Rating: 4.0/5 (2 reviews)
  • Gartner Rating: 4.8/5 (48 reviews)

Screenshot:

Picture 169997062, Picture

6. Palo Alto Networks Prisma Cloud

Overview: Prisma Cloud brings microsegmentation capabilities into its CNAPP offering with cloud-native coverage.

Pros:

  • Great for multi-cloud visibility
  • Strong vulnerability scanning

Cons:

  • High cost for full-suite adoption

User Ratings:

  • G2 Rating: 4.4/5 (394)
  • Gartner Rating: 4.5/5 (241 reviews)

Screenshot:

Picture 1158202796, Picture

7. Check Point CloudGuard

Overview: CloudGuard enables network-level segmentation and advanced threat prevention across cloud workloads.

Pros:

  • Unified policy management
  • Strong security rule enforcement

Cons:

  • UI complexity for new users

User Ratings:

  • G2 Rating: 4.5/5 (125 reviews)
  • Gartner Rating: 4.6/5 (126 reviews)

Screenshot:

Picture 2089686354, Picture

8. Trend Micro Cloud One - Workload Security

Overview: This tool provides segmentation, workload protection, and vulnerability scanning for cloud and hybrid environments.

Pros:

  • Agent-based protection with minimal overhead
  • Easy integration with AWS and Azure

Cons:

  • UI is not intuitive for large-scale policies

User Ratings:

  • G2 Rating: 4.3/5 (44 reviews)
  • Gartner Rating: 4.7/5 (197 reviews)

Screenshot:

Picture 1655687027, Picture

9. Fortinet FortiMicrosegmentation (formerly part of FortiGate/FortiOS Zero Trust segmentation suite)

Overview:
Fortinet FortiMicrosegmentation extends its Zero Trust Network Access (ZTNA) model into granular workload segmentation across cloud and on-prem environments. It leverages FortiGate and FortiManager to deliver identity-aware, policy-driven segmentation at scale.

Pros:

  • Seamless integration with Fortinet firewalls and NAC
  • Scalable for large enterprises with existing Fortinet deployments

Cons:

  • Less flexible outside the Fortinet ecosystem

User Ratings:

  • G2 Rating: 4.4/5 (24 reviews)
  • Gartner Rating: 4.4/5 (1 review)

Screenshot:

Picture 1407992076, Picture

10. Tempered Airwall

Overview:
Tempered Airwall offers microsegmentation by creating encrypted, identity-based overlay networks that isolate workloads and devices across hybrid and distributed environments. It’s built on the Host Identity Protocol (HIP) and is designed for simplicity, resilience, and Zero Trust enforcement.

Pros:

  • Identity-based segmentation without changing the underlying network
  • Easy-to-deploy secure overlays for OT, IoT, and cloud

Cons:

  • It may require operational training for HIP model adoption

User Ratings:

  • G2 Rating: 4.5/5 (42 reviews)
  • Gartner Rating: 4.7/5 (3 reviews)

Screenshot:

Inserting image..., Picture

Comparison Table

                                                                                                                                                                                                                                                                                                                                                                                                                                         
Tool NameCloud SupportContainer SupportDependency MappingBest For
Illumio CoreLarge Enterprises & Regulated Orgs
VMware NSXHybrid Infrastructure & vSphere Environments
ColorTokens XZTPCompliance-Driven Industries
Guardicore (Akamai)Multi-OS Environments & Data Centers
Palo Alto Prisma CloudMulti-Cloud & CNAPP Users
Check Point CloudGuardUnified Cloud Security
Trend Micro Cloud OneCloud Workload Protection
Cisco Secure WorkloadCisco-Centric Enterprises
Fortinet FortiMicrosegmentationFortinet-Centric Security Ecosystems
Tempered AirwallOT/IoT Environments & Identity-Based Segmentation

Best Practices for Implementing Microsegmentation

  1. Start with Visibility
    Map all dependencies between workloads using flow visualization tools before writing policies.
  1. Simulate Before Enforcing
    Run policies in simulation mode to evaluate potential breakages or misconfigurations.
  1. Segment by Risk Profile
    Prioritize critical systems like financial data, PII, or crown-jewel applications.
  1. Integrate with IAM and SIEM
    Enhance segmentation with identity-aware policies and central log correlation.
  1. Automate and Audit
    Leverage automation and logging for continuous compliance and faster incident response.

FAQs

Q: What’s the difference between macrosegmentation and microsegmentation?
Macrosegmentation isolates larger network segments (e.g., VLANs), while microsegmentation works at the workload or user level for fine-grained control.

Q: Do microsegmentation tools impact app performance?
Most tools are lightweight and optimized, especially agentless ones. Performance impact is typically minimal if configured correctly.

Q: Can these tools work across multi-cloud environments?
Yes. Most leading tools support AWS, Azure, GCP, and hybrid environments.

Q: Are these tools aligned with Zero Trust principles?
Yes. Microsegmentation is a core component of Zero Trust, enforcing least privilege and east-west traffic controls.

Why CloudNuro.ai Complements Microsegmentation Tools?

Microsegmentation tools primarily focus on infrastructure-level traffic control, but SaaS applications,  often outside firewalls,  require a complementary layer of governance.

CloudNuro.ai extends Zero Trust principles to SaaS by offering:

  • User access visibility across apps like Microsoft 365, Salesforce, and ServiceNow
  • License sprawl and cost-inefficiency detection
  • App-layer access enforcement and policy recommendations
  • Compliance tracking and reporting for SaaS usage

CloudNuro.ai and your microsegmentation solution provide complete visibility from the network to the application layer.

Conclusion

As cyber threats grow in sophistication, microsegmentation is no longer optional, it’s essential. The top tools in this list provide comprehensive ways to reduce lateral movement, enforce Zero Trust security, and ensure compliance across hybrid environments.

However, securing your infrastructure is only part of the battle.

To complete your Zero Trust strategy, extend visibility and governance into the SaaS layer with CloudNuro.ai,  the platform designed to optimize SaaS access, cost, and compliance.

👉 Book a Free Demo and see how CloudNuro.ai fits into your Zero Trust ecosystem.

Table of Content

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Request a no cost, no obligation free assessment —just 15 minutes to savings!

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Table of Content

Traditional perimeter-based security models are no longer sufficient in today’s complex, hybrid IT landscape. With the rapid growth of cloud-native applications, containerized workloads, and remote workforces, attackers can easily move laterally once inside a network. That’s where microsegmentation comes in,  a security strategy designed to isolate workloads, reduce the attack surface, and enforce Zero-Trust principles from the inside out.

Unlike traditional segmentation methods such as VLANs or firewalls operating at broader network levels, microsegmentation enables granular control over east-west traffic and data movement between servers, containers, or applications inside a network. Whether it’s a compromised credential or an unpatched server, microsegmentation helps contain the threat by enforcing least-privilege access policies and isolating sensitive assets.

The growing emphasis on Zero Trust Network Architecture (ZTNA), compliance with frameworks like NIST 800-207, HIPAA, and PCI-DSS, and the need for real-time policy enforcement drive enterprises to adopt microsegmentation as a core part of their security posture.

This guide compares the top 10 microsegmentation tools in 2025 that enable security leaders to:

  • Visualize and map application dependencies
  • Enforce dynamic segmentation policies
  • Isolate sensitive workloads across cloud, on-prem, and hybrid environments
  • Monitor and respond to east-west threats in real time
  • Ensure regulatory compliance and audit-readiness

What Is Microsegmentation and Why It Matters?

Microsegmentation divides a network into granular, isolated zones to minimize the risk of lateral movement by cyber attackers. Unlike macrosegmentation, which segments at the VLAN or subnet level, microsegmentation enforces security policies at the workload, user, or process level.

Here’s how it differs from traditional methods:

Method Scope Granularity Control Type
VLANs Network-level Coarse Static, IP-based
Firewalls Perimeter or segment Medium Port/IP-based
Microsegmentation Workload-level Fine-grained Identity, context, behavior

Why It’s Crucial in Zero Trust?

Microsegmentation is foundational to Zero Trust Security. In a Zero-Trust model, no user or device is inherently trusted,  even inside the network. Microsegmentation aligns with this philosophy by ensuring:

  • Least privilege access is enforced
  • Workload-to-workload communications are explicitly approved
  • The attack surface is minimized

Real-World Use Cases

  • Healthcare: Isolate patient records and lab systems to comply with HIPAA
  • Finance: Enforce segmentation for payment systems and trading platforms
  • Manufacturing: Protect OT (Operational Technology) and ICS networks
  • Government: Enforce policy compliance across multi-agency infrastructures

Key Features to Look For in Microsegmentation Tools

When evaluating microsegmentation platforms, look for the following must-have features:

Application Dependency Mapping

Understand communication patterns between services, VMs, and containers to design effective policies.

Policy Orchestration & Automation

Create and enforce segmentation policies using automation and behavioral intelligence.

Real-Time Policy Enforcement

Instantly apply and enforce security controls without requiring reboots or downtime.

East-West Traffic Visibility

Complete inspection and logging of lateral traffic flows between internal assets.

Container & Cloud-Native Support

Work seamlessly across Kubernetes, AWS, Azure, GCP, and hybrid environments.

RBAC & Identity Integration

Control access based on roles, identity providers (IdPs), and user context.

SIEM, IAM & Firewall Integration

Ensure policies can be coordinated with your broader SOC and IAM infrastructure.

Top 10 Microsegmentation Tools to Watch in 2025

1. Illumio Core

Overview: Illumio pioneered microsegmentation and offers visibility and enforcement without agents in the network fabric.

Pros:

  • Agentless visibility into workloads
  • Real-time traffic flow mapping

Cons:

  • Requires tuning in high-throughput environments

User Ratings:

  • G2 Rating: 4.5/5 (12 reviews)
  • Gartner Rating: 4.8/5 (129 reviews)

Screenshot:

Picture 710001382, Picture

2. Cisco Secure Workload (Tetration)

Overview: Cisco’s Secure Workload provides workload protection and segmentation using telemetry from data centers and cloud platforms.

Pros:

  • Deep integrations with Cisco infrastructure
  • Strong telemetry and behavioral analysis

Cons:

  • A steeper learning curve for smaller teams

User Ratings:

  • G2 Rating: 4.7/5 (5 reviews)
  • Gartner Rating: 4.3/5 (19 reviews)

Screenshot:

Picture 1235449721, Picture

3. VMware NSX

Overview: VMware NSX delivers segmentation at the hypervisor level and integrates well with vSphere environments.

Pros:

  • Tight VMware ecosystem integration
  • Layer 7 application-level control

Cons:

  • Complex to deploy in non-VMware stacks

User Ratings:

  • G2 Rating: 4.4/5 (78 reviews)
  • Gartner Rating: 4.4 /5 (183 reviews)

Screenshot:

Picture 1367487463, Picture

4. Akamai Guardicore Segmentation

Overview: Formerly Guardicore, this solution (now part of Akamai) provides flexible segmentation across diverse environments.

Pros:

  • Agent-based visibility across OS types
  • Lightweight and scalable

Cons:

  • Lacks container-native policies

User Ratings:

  • G2 Rating: 4.5/5 (1 review)
  • Gartner Rating: 4.8/5 (113 reviews)

Screenshot:

Picture 1647549777, Picture

5. ColorTokens Xtended ZeroTrust™

Overview: ColorTokens offers agentless microsegmentation with compliance-grade reporting and behavioral analytics.

Pros:

  • Built-in compliance templates
  • Lightweight deployment

Cons:

  • Limited third-party tool integrations

User Ratings:

  • G2 Rating: 4.0/5 (2 reviews)
  • Gartner Rating: 4.8/5 (48 reviews)

Screenshot:

Picture 169997062, Picture

6. Palo Alto Networks Prisma Cloud

Overview: Prisma Cloud brings microsegmentation capabilities into its CNAPP offering with cloud-native coverage.

Pros:

  • Great for multi-cloud visibility
  • Strong vulnerability scanning

Cons:

  • High cost for full-suite adoption

User Ratings:

  • G2 Rating: 4.4/5 (394)
  • Gartner Rating: 4.5/5 (241 reviews)

Screenshot:

Picture 1158202796, Picture

7. Check Point CloudGuard

Overview: CloudGuard enables network-level segmentation and advanced threat prevention across cloud workloads.

Pros:

  • Unified policy management
  • Strong security rule enforcement

Cons:

  • UI complexity for new users

User Ratings:

  • G2 Rating: 4.5/5 (125 reviews)
  • Gartner Rating: 4.6/5 (126 reviews)

Screenshot:

Picture 2089686354, Picture

8. Trend Micro Cloud One - Workload Security

Overview: This tool provides segmentation, workload protection, and vulnerability scanning for cloud and hybrid environments.

Pros:

  • Agent-based protection with minimal overhead
  • Easy integration with AWS and Azure

Cons:

  • UI is not intuitive for large-scale policies

User Ratings:

  • G2 Rating: 4.3/5 (44 reviews)
  • Gartner Rating: 4.7/5 (197 reviews)

Screenshot:

Picture 1655687027, Picture

9. Fortinet FortiMicrosegmentation (formerly part of FortiGate/FortiOS Zero Trust segmentation suite)

Overview:
Fortinet FortiMicrosegmentation extends its Zero Trust Network Access (ZTNA) model into granular workload segmentation across cloud and on-prem environments. It leverages FortiGate and FortiManager to deliver identity-aware, policy-driven segmentation at scale.

Pros:

  • Seamless integration with Fortinet firewalls and NAC
  • Scalable for large enterprises with existing Fortinet deployments

Cons:

  • Less flexible outside the Fortinet ecosystem

User Ratings:

  • G2 Rating: 4.4/5 (24 reviews)
  • Gartner Rating: 4.4/5 (1 review)

Screenshot:

Picture 1407992076, Picture

10. Tempered Airwall

Overview:
Tempered Airwall offers microsegmentation by creating encrypted, identity-based overlay networks that isolate workloads and devices across hybrid and distributed environments. It’s built on the Host Identity Protocol (HIP) and is designed for simplicity, resilience, and Zero Trust enforcement.

Pros:

  • Identity-based segmentation without changing the underlying network
  • Easy-to-deploy secure overlays for OT, IoT, and cloud

Cons:

  • It may require operational training for HIP model adoption

User Ratings:

  • G2 Rating: 4.5/5 (42 reviews)
  • Gartner Rating: 4.7/5 (3 reviews)

Screenshot:

Inserting image..., Picture

Comparison Table

                                                                                                                                                                                                                                                                                                                                                                                                                                         
Tool NameCloud SupportContainer SupportDependency MappingBest For
Illumio CoreLarge Enterprises & Regulated Orgs
VMware NSXHybrid Infrastructure & vSphere Environments
ColorTokens XZTPCompliance-Driven Industries
Guardicore (Akamai)Multi-OS Environments & Data Centers
Palo Alto Prisma CloudMulti-Cloud & CNAPP Users
Check Point CloudGuardUnified Cloud Security
Trend Micro Cloud OneCloud Workload Protection
Cisco Secure WorkloadCisco-Centric Enterprises
Fortinet FortiMicrosegmentationFortinet-Centric Security Ecosystems
Tempered AirwallOT/IoT Environments & Identity-Based Segmentation

Best Practices for Implementing Microsegmentation

  1. Start with Visibility
    Map all dependencies between workloads using flow visualization tools before writing policies.
  1. Simulate Before Enforcing
    Run policies in simulation mode to evaluate potential breakages or misconfigurations.
  1. Segment by Risk Profile
    Prioritize critical systems like financial data, PII, or crown-jewel applications.
  1. Integrate with IAM and SIEM
    Enhance segmentation with identity-aware policies and central log correlation.
  1. Automate and Audit
    Leverage automation and logging for continuous compliance and faster incident response.

FAQs

Q: What’s the difference between macrosegmentation and microsegmentation?
Macrosegmentation isolates larger network segments (e.g., VLANs), while microsegmentation works at the workload or user level for fine-grained control.

Q: Do microsegmentation tools impact app performance?
Most tools are lightweight and optimized, especially agentless ones. Performance impact is typically minimal if configured correctly.

Q: Can these tools work across multi-cloud environments?
Yes. Most leading tools support AWS, Azure, GCP, and hybrid environments.

Q: Are these tools aligned with Zero Trust principles?
Yes. Microsegmentation is a core component of Zero Trust, enforcing least privilege and east-west traffic controls.

Why CloudNuro.ai Complements Microsegmentation Tools?

Microsegmentation tools primarily focus on infrastructure-level traffic control, but SaaS applications,  often outside firewalls,  require a complementary layer of governance.

CloudNuro.ai extends Zero Trust principles to SaaS by offering:

  • User access visibility across apps like Microsoft 365, Salesforce, and ServiceNow
  • License sprawl and cost-inefficiency detection
  • App-layer access enforcement and policy recommendations
  • Compliance tracking and reporting for SaaS usage

CloudNuro.ai and your microsegmentation solution provide complete visibility from the network to the application layer.

Conclusion

As cyber threats grow in sophistication, microsegmentation is no longer optional, it’s essential. The top tools in this list provide comprehensive ways to reduce lateral movement, enforce Zero Trust security, and ensure compliance across hybrid environments.

However, securing your infrastructure is only part of the battle.

To complete your Zero Trust strategy, extend visibility and governance into the SaaS layer with CloudNuro.ai,  the platform designed to optimize SaaS access, cost, and compliance.

👉 Book a Free Demo and see how CloudNuro.ai fits into your Zero Trust ecosystem.

Start saving with CloudNuro

Request a no cost, no obligation free assessment —just 15 minutes to savings!

Get Started

Save 20% of your SaaS spends with CloudNuro.ai

Recognized Leader in SaaS Management Platforms by Info-Tech SoftwareReviews

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