Zero Trust Security Providers

What is Zero Trust?

Zero Trust is a cybersecurity model based on the principle of “never trust, always verify.” Unlike traditional perimeter-based security, Zero Trust assumes that threats may already exist both inside and outside the network. As a result, no user, device, or application is automatically trusted.

Access is granted only after strict verification of identity, device health, and context  and is continuously re-evaluated throughout the session.

This reduces the attack surface, limits lateral movement, and strengthens protection in cloud-first and hybrid environments.

  • Identity-first access: All users and devices must authenticate with strong, adaptive methods such as MFA and SSO.
  • Least privilege: Users and applications receive only the access needed to perform their tasks.
  • Micro-segmentation: Networks and applications are divided into smaller zones to contain potential breaches.
  • Continuous validation: Ongoing monitoring of behavior, device posture, and risk signals informs access decisions.
  • Cloud-native enforcement: Zero Trust is often delivered via cloud services, SASE/SSE platforms, and integrated security tools.

Listed are some of the leading Zero Trust Security Providers in 2025.

Tailscale

Tailscale

  • Established: 2019
  • Description: Tailscale is a modern Zero Trust networking platform built on WireGuard that creates secure, peer-to-peer connections between devices. It replaces legacy VPNs with an identity-based approach, ensuring encrypted access and simplified network management across teams, servers, and cloud environments.
  • Features:
    • Zero Trust Network Access (ZTNA) with WireGuard encryption.
    • Single sign-on (SSO) integration with Google, Microsoft, Okta, GitHub, and more.
    • Access control lists (ACLs) for granular user and device permissions.
    • Tailscale SSH for identity-based, keyless secure shell access.
    • MagicDNS and service discovery for simplified device connectivity.
    • Cross-platform support (Windows, macOS, Linux, iOS, Android, containers).
  • Cost: Free tier available; paid subscription plans for teams and enterprises.
  • Website: tailscale.com

Zscaler

Zscaler Zero Trust Exchange

  • Established: 2007
  • Description: Zscaler is a leader in cloud-delivered Zero Trust security. Its Zero Trust Exchange platform replaces traditional VPNs by securely connecting users, devices, and applications regardless of location. Zscaler minimizes the attack surface and enforces identity-based access.
  • Features:
    • Zero Trust Network Access (ZTNA).
    • Cloud-native Secure Web Gateway (SWG).
    • Data loss prevention (DLP) and cloud sandboxing.
    • Integration with identity providers and SIEM tools.
  • Cost: Paid (subscription-based, per-user licensing).
  • Website: zscaler.com

Palo Alto Networks (Prisma Access / Prisma Cloud)

Palo Alto Networks Zero Trust

  • Established: 2005
  • Description: Palo Alto Networks delivers Zero Trust security through its Prisma Access (SASE) and Prisma Cloud platforms. It provides unified network, cloud, and application protection for hybrid enterprises.
  • Features:
    • Secure Access Service Edge (SASE) with global coverage.
    • Comprehensive workload and container security.
    • Cloud Security Posture Management (CSPM).
    • Identity-driven Zero Trust enforcement.
  • Cost: Paid enterprise licensing, varies by deployment scale.
  • Website: paloaltonetworks.com

Cisco (Duo Security / Cisco Secure Access)

Cisco Duo Zero Trust

  • Established: 1984 (Cisco), Duo Security acquired in 2018
  • Description: Cisco’s Zero Trust framework is powered by Duo Security and Secure Access, extending Zero Trust principles across identities, devices, and networks. It emphasizes adaptive MFA, continuous monitoring, and secure application access.
  • Features:
    • Multi-factor authentication (MFA) and adaptive access.
    • Device trust verification.
    • VPN-less Zero Trust application access.
    • Integration with Cisco’s broader security portfolio.
  • Cost: Paid (tiered subscriptions, per-user pricing).
  • Website: cisco.com

Illumio

Illumio

  • Established: 2013
  • Description: Illumio is a Zero Trust solution that provides micro-segmentation and network visibility to prevent lateral movement of threats. It ensures that only authorized communication is allowed between workloads.
  • Features:
    • Micro-segmentation for workloads.
    • Real-time visibility into network traffic.
    • Integration with cloud and on-premises environments.
  • Cost: Paid (subscription-based).
  • Website: illumio.com

Okta

Okta Identity Cloud

  • Established: 2009
  • Description: Okta is an identity-first Zero Trust provider offering advanced Identity and Access Management (IAM), Single Sign-On (SSO), and adaptive MFA. Its platform integrates seamlessly with thousands of apps and enterprise security tools.
  • Features:
    • Adaptive MFA with contextual risk analysis.
    • Single sign-on for cloud and on-premises apps.
    • Lifecycle management and API access controls.
    • Integration with SIEM, SOAR, and Zero Trust ecosystems.
  • Cost: Paid (modular pricing, free trial available).
  • Website: okta.com

Microsoft Sentinel (Entra ID / Defender Suite)

Microsoft Security Zero Trust

  • Established: Microsoft founded 1975, Azure Sentinel launched 2019
  • Description: Microsoft builds Zero Trust into its Entra ID (formerly Azure AD), Defender security suite, and Sentinel SIEM/SOAR platform. The approach is identity-driven, offering advanced analytics and automated responses.
  • Features:
    • Identity protection with Entra ID (Azure AD).
    • Extended detection and response (XDR).
    • Automated incident investigation and remediation.
    • Seamless integration with Microsoft 365 and Azure.
  • Cost: Paid (subscription-based, consumption model in Azure).
  • Website: microsoft.com/security

CrowdStrike

CrowdStrike

  • Established: 2011
  • Description: CrowdStrike extends Zero Trust through its Falcon platform, which provides AI-driven endpoint detection and response (EDR/XDR), identity protection, and continuous risk-based access controls.
  • Features:
    • Endpoint and identity protection.
    • Continuous behavioral risk analysis.
    • Integration with third-party Zero Trust frameworks.
    • Cloud-native XDR for scalable protection.
  • Cost: Paid (tiered subscriptions per endpoint, modular add-ons).
  • Website: crowdstrike.com

Fortinet (FortiSASE / FortiGate / FortiTrust)

Fortinet

  • Established: 2000
  • Description: Fortinet’s Zero Trust approach leverages FortiSASE, FortiGate firewalls, and FortiTrust identity services to deliver secure access, segmentation, and endpoint control. Known for scalability and performance.
  • Features:
    • Zero Trust Network Access (ZTNA).
    • Next-generation firewall (NGFW) with deep inspection.
    • Secure Access Service Edge (SASE).
    • Integration with Fortinet Security Fabric.
  • Cost: Paid (subscription-based, appliance and cloud options).
  • Website: fortinet.com

Check Point Software Technologies

Check-Point

  • Established: 1993
  • Description: Check Point applies Zero Trust through its Infinity architecture, combining advanced threat prevention, identity integration, and network segmentation to secure enterprises across cloud and mobile environments.
  • Features:
    • Threat prevention with AI-driven intelligence.
    • Identity-based Zero Trust controls.
    • CloudGuard for hybrid and multi-cloud security.
    • Mobile and endpoint protection.
  • Cost: Paid (enterprise licensing, modular packages).
  • Website: checkpoint.com

Broadcom (Symantec Enterprise Security)

Broadcom

  • Established: Broadcom 1961, Symantec acquired 2019
  • Description: Broadcom delivers Zero Trust through its Symantec Enterprise Cloud, focusing on data-centric security, identity integration, and secure access for highly regulated industries such as finance and government.
  • Features:
    • Data Loss Prevention (DLP).
    • Secure Web Gateway and Cloud Access Security Broker (CASB).
    • Identity integration for Zero Trust policies.
    • Compliance-driven threat protection.
  • Cost: Paid (enterprise subscription and licensing).
  • Website: broadcom.com

IBM Security (Verify / Cloud Pak for Security)

IBM

  • Established: IBM founded 1911, IBM Security division 1995
  • Description: IBM provides Zero Trust through its Security Verify IAM platform and Cloud Pak for Security. It offers adaptive authentication, identity governance, and cross-platform integration for hybrid and multi-cloud enterprises.
  • Features:
    • Advanced IAM and adaptive MFA.
    • Zero Trust policy orchestration across clouds.
    • Integration with SIEM, SOAR, and threat intelligence.
    • Regulatory compliance and governance capabilities.
  • Cost: Paid (enterprise contracts and subscription-based).
  • Website: ibm.com/security

Zero trust is not a one-size-fits-all solution, and neither are the providers behind it. Evaluating their approaches, integrations, and customer support will help ensure you choose a partner that strengthens your defenses rather than complicates them.

By Randy Ferguson

Randy Ferguson

Randy Ferguson

Randy boasts 30 years in the tech industry, having penned articles for multiple esteemed online tech publications. Alongside a prolific writing career, Randy has also provided valuable consultancy services, leveraging a deep knowledge of technological trends and insights.
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