Perimeter 81 vs Zscaler: Which Is Best?

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By Kylie Parker April 25, 2026
Disclosure: As an Amazon Associate, I earn from qualifying purchases. This post may contain affiliate links, which means I may receive a small commission at no extra cost to you.

Choosing the right network security solution is paramount in today’s evolving digital landscape. With cyber threats becoming more sophisticated, organizations are constantly seeking robust defenses to protect their valuable data and infrastructure.

Two prominent players in this space are Perimeter 81 and Zscaler, each offering distinct approaches to secure access and threat prevention. This comparison dives deep into their capabilities, helping you understand which solution might be the best fit for your specific business needs and security posture.

We’ll explore their core features, ease of use, scalability, and overall value proposition. By dissecting the strengths and weaknesses of both Perimeter 81 and Zscaler, you’ll gain the clarity needed to make an informed decision.

Specs at a Glance

FeaturePerimeter 81Zscaler
Network ArchitectureZero Trust Network Access (ZTNA)Zero Trust Network Access (ZTNA)
Deployment ModelCloud-native, SaaSCloud-native, SaaS
Endpoint SecurityAgent-based, supports BYODAgent-based, supports BYOD
Identity ManagementSSO integration, MFASSO integration, MFA
Firewall CapabilitiesNext-Generation Firewall (NGFW)Cloud Firewall
Secure Web Gateway (SWG)YesYes
Data Loss Prevention (DLP)YesYes
Cloud Access Security Broker (CASB)YesYes
Network SegmentationMicrosegmentationMicrosegmentation
Global Network PresenceExtensive server networkExtensive server network
Threat IntelligenceIntegratedIntegrated
User ExperienceIntuitive interface, easy setupComprehensive features, can be complex

Feature-by-Feature Breakdown

Network Access Control

  • Perimeter 81: Offers granular access policies based on user identity, device posture, and location. It emphasizes ease of use and rapid deployment for Zero Trust Network Access (ZTNA). Strengths include its intuitive interface and quick setup. A potential con is that its ZTNA capabilities might be less deeply integrated than some enterprise-focused solutions.
  • Zscaler: Provides a comprehensive ZTNA solution with deep integration into its broader security platform. It excels at enforcing least privilege access and segmenting networks. Its strength lies in its robust, enterprise-grade security posture and extensive policy engine. A potential con could be its complexity for simpler deployments or organizations new to ZTNA.
  • Winner: zscaler

Cloud Security

  • Perimeter 81: Integrates with major cloud providers (AWS, Azure, GCP) to secure access to cloud resources. It offers secure connectivity and policy enforcement for cloud environments. Its advantage is its unified approach to securing both on-premises and cloud resources. It might offer fewer specialized cloud-native security features compared to dedicated cloud security platforms.
  • Zscaler: As a cloud-native platform, Zscaler excels in securing cloud access and applications. It offers advanced threat protection, data loss prevention, and CASB functionalities for cloud environments. Its strength is its inherent cloud architecture, providing scalable and secure access to cloud services. The focus is heavily on cloud-centric security.
  • Winner: zscaler

Threat Protection

  • Perimeter 81: Includes integrated firewall, intrusion prevention (IPS), and malware filtering capabilities. It aims to protect users and networks from various cyber threats. Its strengths are its bundled security features for comprehensive protection. The depth of its threat intelligence and advanced detection might be less than specialized security vendors.
  • Zscaler: Offers a multi-layered approach to threat protection, including advanced malware detection (sandboxing), phishing prevention, and zero-day exploit protection. It leverages a massive cloud-based threat intelligence network. Its strength is its highly sophisticated and continuously updated threat detection engine. This is a core competency for Zscaler.
  • Winner: zscaler

Data Loss Prevention (DLP)

  • Perimeter 81: Provides DLP capabilities to prevent sensitive data from leaving the organization. It can monitor and block the transfer of confidential information. Its advantage is its integration within the broader security platform for unified policy management. The granularity of its DLP rules might be less extensive than dedicated DLP solutions.
  • Zscaler: Features robust DLP capabilities that inspect traffic for sensitive data across various channels (web, email, cloud apps). It offers granular policy controls for data exfiltration prevention. Its strength lies in its comprehensive data visibility and control within its cloud security framework. This is a well-developed feature set.
  • Winner: zscaler

Secure Web Gateway (SWG)

  • Perimeter 81: Offers SWG functionalities as part of its SASE solution, providing secure internet access and content filtering. It helps protect users from web-based threats. Its advantage is its unified platform approach, combining SWG with other security services. The dedicated SWG features might be less advanced than specialized SWG solutions.
  • Zscaler: Is a market leader in SWG solutions, providing advanced URL filtering, content inspection, and threat prevention for web traffic. It ensures secure access to the internet and web applications. Its strength is its highly mature and comprehensive SWG offering, a foundational element of its platform.
  • Winner: zscaler

User Experience

  • Perimeter 81: Focuses on a user-friendly interface and simplified deployment, aiming for a seamless experience for end-users and administrators. Its strength is its ease of use and quick adoption. Some users might find advanced configurations less intuitive than highly specialized tools.
  • Zscaler: While powerful, Zscaler’s extensive features can sometimes lead to a steeper learning curve for administrators. However, for end-users, the experience is generally transparent and secure. Its strength is its robust security without significant user impact. The administrative interface can be complex due to its breadth of features.
  • Winner: perimeter 81

Scalability and Performance

  • Perimeter 81: Designed to scale with business growth, offering reliable performance for distributed workforces. Its cloud-native architecture ensures availability and speed. Its advantage is its modern architecture built for cloud and remote access. Performance can be influenced by the specific deployment configuration and network conditions.
  • Zscaler: Built on a massive, distributed cloud infrastructure, Zscaler offers exceptional scalability and performance for global enterprises. Its architecture is designed to handle massive traffic volumes with low latency. Its strength is its unparalleled ability to scale and maintain high performance for any organization size.
  • Winner: zscaler

Integration and API Access

  • Perimeter 81: Offers integrations with various identity providers (e.g., Azure AD, Okta) and SIEM solutions. It provides APIs for custom integrations and automation. Its advantage is its focus on common integrations for ease of use. The breadth of its API offerings might be less extensive than platforms with a longer history of enterprise integration.
  • Zscaler: Provides extensive API access for deep integration with existing security ecosystems, including SIEM, SOAR, and other security tools. This allows for automation and centralized management. Its strength is its robust API framework, enabling comprehensive integration for complex IT environments.
  • Winner: zscaler

Winner by Category

CategoryWinner
Ease of Use & DeploymentPerimeter 81
Advanced Threat ProtectionZscaler
Scalability for EnterprisesZscaler
Unified Security PlatformPerimeter 81
Granular Access ControlZscaler
BYOD SupportPerimeter 81
SASE IntegrationZscaler

What They Have in Common

  • Core Zero Trust Principles: Both Perimeter 81 and Zscaler are built on the foundation of Zero Trust Network Access (ZTNA), ensuring that no user or device is inherently trusted. They enforce strict verification for every access request, regardless of location.
  • Cloud-Native Architecture: Both solutions are delivered as a cloud-based Software-as-a-Service (SaaS), offering scalability, flexibility, and reduced infrastructure management overhead for organizations.
  • Comprehensive Security Features: They both provide a robust suite of security functionalities including secure web gateways, firewalls, data loss prevention, and cloud access security broker capabilities to protect sensitive data and applications.
  • Enhanced Endpoint Security: Both platforms offer agent-based solutions for endpoints, ensuring secure access from various devices and supporting BYOD (Bring Your Own Device) policies with granular control.
  • Robust Identity and Access Management: Integration with single sign-on (SSO) solutions and multi-factor authentication (MFA) are standard, ensuring strong identity verification for users accessing network resources.
  • Global Network Infrastructure: Both companies maintain extensive global networks of points of presence (PoPs) to provide low latency and high availability for users worldwide.

Perimeter 81 Vs Zscaler Buying Guide

Ease of Use and Deployment

When evaluating Perimeter 81 versus Zscaler, consider the complexity of implementation and ongoing management. Perimeter 81 is often lauded for its user-friendly interface and streamlined deployment process, making it a strong choice for organizations that prioritize quick setup and minimal IT overhead. Its intuitive design allows for easier adoption by end-users and less training required for IT staff.

Conversely, Zscaler, while incredibly powerful, can present a steeper learning curve. Its comprehensive feature set, particularly in advanced security analytics and threat intelligence, may necessitate more specialized expertise for optimal configuration and maintenance. Organizations with dedicated security teams might find Zscaler’s depth advantageous, but those seeking simplicity might lean towards Perimeter 81. (See Also: Clarity Skin Care Vs Dermalogica )

Feature Set and Security Capabilities

Both Perimeter 81 and Zscaler offer robust security features, but their strengths lie in different areas. Perimeter 81 excels in providing a unified SASE platform, integrating Zero Trust Network Access (ZTNA), VPN, and cloud firewalls into a cohesive solution. This makes it ideal for businesses looking for a single pane of glass to manage their network security and access policies effectively.

Zscaler, on the other hand, is a leader in cloud-native security, with a strong focus on secure web gateways (SWG), cloud access security brokers (CASB), and advanced threat protection. Its extensive capabilities in malware detection, data loss prevention (DLP), and granular policy enforcement make it a formidable opponent for sophisticated cyber threats. The choice here depends on whether your primary concern is unified SASE or specialized, deep-dive cloud security.

Scalability and Performance

Scalability is a crucial factor for growing businesses. Perimeter 81 offers a scalable solution designed to accommodate increasing numbers of users and devices without compromising performance. Its cloud-native architecture allows for flexible expansion, ensuring that your security infrastructure can grow alongside your organization’s needs. This makes it a reliable option for businesses anticipating rapid growth or fluctuating user demands.

Zscaler’s platform is built for massive scale, handling billions of security transactions daily. Its distributed cloud architecture ensures high availability and low latency for users worldwide. For enterprises with a global footprint and a high volume of internet traffic requiring robust security inspection, Zscaler’s performance and scalability are exceptionally impressive, often outperforming solutions that rely on more traditional network architectures. (See Also: Nintendo Switch Vs Nintendo Lite )

Pricing and Licensing Models

Understanding the pricing and licensing models of Perimeter 81 and Zscaler is essential for budget planning. Perimeter 81 typically offers flexible, subscription-based pricing that can be tailored to the specific needs of an organization, often with tiered options based on user count and feature sets. This approach can make it more accessible for small to medium-sized businesses.

Zscaler’s pricing is generally geared towards enterprise-level deployments and can be more complex, often involving per-user licenses for its various security services. While potentially offering greater depth of features, the overall cost might be higher, especially for organizations with simpler security requirements. It’s crucial to get detailed quotes and understand all included components to accurately compare costs.

Who Should Buy What?

Buy perimeter 81 If…

  • You’re looking for a user-friendly and intuitive ZTNA solution that’s easy to deploy and manage, especially for SMBs and mid-market companies.
  • You prioritize a unified platform that combines VPN, ZTNA, and other security services with a streamlined interface.
  • Your organization requires robust network segmentation capabilities to isolate critical assets and limit lateral movement.
  • You need strong BYOD support with flexible policies and agent-based security for various devices.

Buy zscaler If…

  • You are a large enterprise with complex security requirements and a need for a highly scalable, advanced cloud security platform.
  • You require industry-leading threat protection and advanced security analytics with a deep focus on preventing data breaches and advanced persistent threats.
  • Your organization demands granular control over user access and application usage across a vast and diverse user base.
  • You are looking for a comprehensive SASE (Secure Access Service Edge) solution that integrates networking and security functions seamlessly.

Frequently Asked Questions

What is the primary difference in their core offerings?

Perimeter 81 focuses on a unified Secure Access Service Edge (SASE) platform, integrating Zero Trust Network Access (ZTNA), VPN, and cloud firewalls for simplified network security and access management. Zscaler, conversely, is a cloud-native security platform with a strong emphasis on secure web gateways (SWG), cloud access security brokers (CASB), and advanced threat protection, acting as a comprehensive cloud security solution.

Which solution is better for small to medium-sized businesses (SMBs)?

Perimeter 81 is often a better fit for SMBs due to its ease of use, simpler deployment, and more straightforward pricing models. Its unified SASE approach provides essential security functions without the complexity that might overwhelm smaller IT teams. Zscaler’s extensive capabilities, while powerful, can be overkill and more difficult to manage for organizations with limited IT resources. (See Also: Wingstop Tenders Vs Boneless Wings )

How do they handle remote workforce security?

Both Perimeter 81 and Zscaler are designed to secure remote workforces. Perimeter 81’s ZTNA capabilities ensure secure, identity-based access to applications and resources, regardless of user location. Zscaler’s cloud-based security model inspects all internet traffic from remote users, providing consistent security policies and advanced threat protection wherever employees are working.

What are the key considerations for enterprise-level security?

For enterprises, Zscaler often shines due to its massive scalability, advanced threat intelligence, and granular control over web and cloud traffic. Its ability to handle billions of security transactions and provide deep inspection capabilities is crucial for large organizations facing sophisticated threats. Perimeter 81 also offers enterprise-grade features but is often chosen for its integrated SASE approach and simpler management.

Which solution is generally considered easier to implement and manage?

Perimeter 81 is generally considered easier to implement and manage, especially for organizations that prioritize a user-friendly interface and a quick deployment process. Its streamlined design and unified platform reduce the complexity of setting up and maintaining network security. Zscaler, while highly effective, can require more specialized expertise for optimal configuration and ongoing management due to its extensive feature set.

Final Verdict

Perimeter 81 and Zscaler are both leading cybersecurity solutions, but they cater to slightly different needs. Perimeter 81 excels in providing a unified, user-friendly SASE platform ideal for organizations prioritizing ease of use and streamlined management, particularly SMBs. Zscaler offers unparalleled cloud-native security depth and scalability, making it a powerhouse for large enterprises focused on advanced threat protection and granular control over web traffic.

Winner: Perimeter 81