List of the Top On-Prem Zero Trust Security Software in 2026

ManageEngine Endpoint Central implements a Zero Trust security framework by instituting rigorous access controls, adhering to least-privilege principles, and conducting ongoing verification of endpoints for all devices and users within the organization. The management of endpoint privileges eliminates superfluous local admin rights, substituting them with just-in-time, role-specific privilege elevation to ensure that users possess no more access than necessary for their responsibilities. The application control feature adopts a default-deny strategy, permitting only the execution of verified and approved applications while automatically rejecting all others. Additionally, device control limits connections from unauthorized peripherals and removable media, while private access facilitates secure, identity-based connections to internal applications for remote users, effectively removing implicit trust. This ensures that every access attempt is thoroughly verified, authorized, and recorded across the endpoint ecosystem.

Kitecyber implements a zero trust model directly on your infrastructure, beginning at the device level instead of relying on a cloud-based middlebox that your traffic must reroute through. A streamlined agent enables least-privilege access to private applications and infrastructure, making decisions based on comprehensive device, user, and network context. Access is built on device verification: users benefit from passwordless entry that relies on authenticated device trust, eliminating the risk of phishing credentials, while seamlessly integrating with SSO solutions from Okta, Google, and Microsoft. Employing a least-privilege, just-in-time approach: users receive authorization tailored to specific subnets rather than blanket network access, which effectively limits lateral movement as a core design principle. Connections are secured with end-to-end encryption: all communications remain encrypted within your infrastructure without the need for decrypting and re-encrypting traffic. Maintain control over your infrastructure and keys: whether deploying Software as a Service (SaaS), self-hosting, or using your own keys, you can swiftly transition from outdated VPN solutions and be operational within a day or two through zero-touch provisioning.

Kasm Workspaces enables you to access your work environment seamlessly through your web browser, regardless of the device or location you are in. This innovative platform is transforming the delivery of digital workspaces for organizations by utilizing open-source, web-native container streaming technology, which allows for a contemporary approach to Desktop as a Service, application streaming, and secure browser isolation. Beyond just a service, Kasm functions as a versatile platform equipped with a powerful API that can be tailored to suit your specific requirements, accommodating any scale of operation. Workspaces can be implemented wherever necessary, whether on-premise—including in Air-Gapped Networks—within cloud environments (both public and private), or through a hybrid approach that combines elements of both. Additionally, Kasm's flexibility ensures that it can adapt to the evolving needs of modern businesses.

Password reset tickets are a common issue that troubles both IT teams and end users alike. To maintain productivity, IT departments often prioritize more critical tasks, pushing less urgent issues, such as password resets, further down the queue. If not handled swiftly, password reset tickets can lead to significant costs for organizations. Research indicates that nearly 30 percent of all help desk inquiries stem from forgotten passwords. Large enterprises have reportedly invested over $1 million to manage and resolve issues related to password resets. Regularly updating passwords is a valuable practice that can mitigate the risk of cyberattacks stemming from compromised credentials. To bolster security, experts advise that administrators implement policies mandating regular password changes and establish expiration timelines for passwords. By doing so, organizations can enhance their overall security posture while minimizing the burden on their IT teams.

UTunnel Secure Access offers solutions including Cloud VPN, ZTNA, and Mesh Networking to facilitate secure remote connections and reliable network performance. ACCESS GATEWAY: Our Cloud VPN as a Service allows for the rapid deployment of VPN servers on either Cloud or On-Premise setups. By employing OpenVPN and IPSec protocols, it ensures secure remote connections complemented by policy-driven access controls, enabling businesses to establish a robust VPN network effortlessly. ONE-CLICK ACCESS: The Zero Trust Application Access (ZTAA) feature revolutionizes secure interaction with internal business applications such as HTTP, HTTPS, SSH, and RDP. Users can conveniently access these services via their web browsers without the necessity of any client-side applications. MESHCONNECT: This solution, combining Zero Trust Network Access (ZTNA) and mesh networking, offers detailed access controls tailored to specific business network resources and fosters the formation of secure, interconnected business networks for enhanced collaboration. SITE-TO-SITE VPN: Additionally, the Access Gateway allows for the establishment of secure IPSec Site-to-Site tunnels, which facilitate connections between UTunnel's VPN servers and other network infrastructure components like gateways, firewalls, routers, and unified threat management (UTM) systems, thereby enhancing overall network security. By integrating these features, UTunnel Secure Access is committed to providing comprehensive solutions that meet the evolving needs of modern businesses.

Cipherise provides developers with a robust framework for creating intuitive authentication systems. With our solution, users will enjoy an exceptional experience that prioritizes security without complexity. Multi-Factor Authentication (MFA) combines simplicity with high security, allowing users to authenticate without the hassle of complex passwords. Forget about juggling complicated usernames or the risks of credential sharing. Our Omni Channel approach ensures a seamless user experience across all devices, whether mobile, tablet, laptop, or PC. This innovation effectively mitigates the threat of hackers targeting centralized credential repositories. Bi-Directional authentication enhances security by requiring services to verify users before they authenticate themselves. Additionally, our Mobile Native feature protects your valuable intellectual property and content, making it effortless for customers to register and access your materials from any device they choose. Overall, the combination of these features creates a secure and user-friendly authentication environment that benefits both developers and users alike.

An all-encompassing data security package that features Zero Trust Network Access (ZTNA), two-factor authentication (2FA), and privileged access management (PAM) is now available. Additionally, it incorporates SQL firewalls and data access management (DAM) to bolster protection. This solution is designed to safeguard companies against data breaches and cyber threats. Furthermore, it assists organizations in adhering to compliance standards and fulfilling cyber insurance obligations, ultimately enhancing their overall security posture.

OpenVPN Access Server is a self-hosted Zero Trust Network Access (ZTNA) solution that runs inside your own environment — on-prem or your AWS, Azure, or GCP account — keeping tunnel traffic and configuration off any third-party network. Access is scoped to the application, not the IP or subnet: each user is routed only to the specific app they're authorized for, identified by domain name, with nothing else on the network visible to them. That makes lateral movement structurally impossible, not just restricted by policy. Access Server Link turns setup into a guided flow (hostname, cloud, region, password), with SSL certificates provisioned and renewed automatically, eliminating manual certificate handling as a source of risk. Because entitlements are bound to hostname rather than IP, they hold up through IP changes and autoscaling with no manual rework. Your instance remains entirely under your control, giving you the data ownership and audit trail needed for HIPAA, SOC 2, and GDPR — full control of the stack, delivered with SaaS-level ease. Administration happens through a browser-based portal instead of SSH: users, certificates, and access rules are managed without shell access, narrowing your attack surface. The Zero Trust App Broker routes each connection through a placeholder IP tied to a single authorized app — the real destination stays hidden, so a stolen credential offers no way to scan or reach other systems. Least privilege is built into the architecture, not left to policy that can drift. Native clients cover Windows, macOS, iOS, Android, and Linux, keeping identity- and app-based controls consistent across every endpoint. Templated deployment on AWS, Azure, and GCP means security teams get standardized, auditable rollouts rather than one-off manual builds.

Forescout operates as a comprehensive cybersecurity platform that provides immediate insights, control, and automation to manage risks linked to various devices and networks efficiently. This solution empowers organizations with essential tools to monitor and protect a diverse array of IT, IoT, and operational technology (OT) assets, thereby ensuring robust defense against cyber threats. By leveraging Forescout's Zero Trust methodology along with its integrated threat detection capabilities, enterprises can enforce compliance for their devices, manage secure network access, and sustain continuous monitoring to uncover vulnerabilities. Designed with scalability in mind, Forescout’s platform delivers critical insights that allow organizations to mitigate risks and enhance their security posture across numerous industries, such as healthcare and manufacturing. Furthermore, the holistic approach of Forescout's offerings guarantees that companies are well-equipped to adapt to the constantly changing landscape of cyber threats, maintaining operational integrity and trust with their stakeholders.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

InstaSafe is transforming the landscape of secure access to contemporary networks through the implementation of Zero Trust principles in its security solutions, which facilitate smooth access to various platforms including cloud applications, SAP applications, on-site data, IoT devices, and numerous innovative use cases. By shifting away from conventional VPN-based ideas of a network perimeter, InstaSafe redefines security by placing the perimeter around individual users and the devices they utilize. This Zero Trust methodology adopted by InstaSafe upholds a "never trust, always verify" stance on privileged access, emphasizing verification independent of network location. Consequently, this approach not only enhances security but also adapts to the evolving needs of modern digital environments.

The FileFlex Enterprise ZTDA platform provides secure remote access and data sharing across your entire Hybrid-IT environment, protecting your most vital asset—corporate data. By leveraging its proprietary Zero Trust Data Access (ZTDA) framework, FileFlex Enterprise employs sophisticated micro-segmentation at both the file and folder levels, effectively reducing an intruder's ability to move laterally within your organization. This platform authenticates and allows every action that requires remote data access while preserving the integrity of your network infrastructure and functioning without the need for a VPN. Users can conveniently access and share data stored on-site, encompassing servers, server-attached devices, network-attached systems, FTP, and personal computer storage. IT teams maintain thorough control over user permissions and storage locations, facilitating management down to the individual file. Furthermore, IT can meticulously monitor and track all user activities, ensuring high standards of security and compliance. This comprehensive oversight not only bolsters data protection but also contributes to a more streamlined operational framework. Ultimately, the FileFlex Enterprise ZTDA platform represents a significant advancement in safeguarding corporate data in today's complex IT landscapes.

NetBird represents an innovative open-source solution for Zero Trust Networking, designed by engineers with the specific needs of their colleagues in mind. This platform simplifies the creation of secure private networks through the robust WireGuard® protocol, distinguishing itself from traditional VPNs by offering decentralized, low-latency, and high-throughput connectivity, all governed by a unified console that emphasizes identity-driven access control. It seamlessly integrates with your Identity Provider for Single Sign-On (SSO) and Multi-Factor Authentication (MFA), allowing for direct, encrypted peer-to-peer connections between devices, servers, and cloud environments, thereby removing central bottlenecks and reducing single points of failure. The lightweight client applications facilitate straightforward scaling and bolster privacy by ensuring that network traffic does not pass through management services. NetBird boasts compatibility with a variety of integrations, such as CrowdStrike, Intune, SentinelOne, and pfSense, making it an ideal choice for Zero Trust remote access, multi-cloud connectivity, and dynamic posture assessments. Additionally, it supports comprehensive auditing and multi-tenant management tailored for Managed Service Providers (MSPs), all within a single, user-friendly platform. Ultimately, its commitment to security and operational efficiency positions it as a compelling option for organizations aiming to strengthen their network architecture while maintaining a focus on privacy and control.

ZTXGate is an advanced Zero Trust Network Access (ZTNA) solution that combines the user-friendly aspects of a modern SaaS control plane with the advantages of on-premises software, offering flexibility in deployment, data sovereignty, and capabilities that limit the impact of security breaches. Each client benefits from a distinct single-tenant instance that maximizes both security and performance outcomes. The platform supports identity federation through OIDC SSO for the administrative interface, featuring a registry per provider, implementation of PKCE, mapping from groups to roles, and a local break-glass mechanism. It also enables inbound provisioning via SCIM 2.0 through a dedicated hardened listener with per-token bearer authentication, CIDR allowlisting, and rate limits in place. This system adeptly links identifiers across protocols, ensuring that an OIDC login corresponds with a SCIM-provisioned user under a unified identity. In addition, ZTXGate features a flexible biometric step-up solution that can issue push challenges using its proprietary authenticator (ZTXBAS), along with Okta Verify Push and Duo Push, all managed under a cohesive policy framework. Resource-specific policies dictate the backend utilized, and API credentials are safeguarded through secure encryption while at rest. Moreover, the platform integrates MDM and EDR device posture as essential components of its policy framework, with support for integration with Microsoft Intune, Defender, and SentinelOne Singularity, thereby bolstering both security posture and compliance measures. This comprehensive approach ensures that organizations have robust protection and adaptability in their security environments.

Smallstep delivers the first true Device Identity Platform™, enabling enterprises to enforce Zero Trust at the device level. By leveraging ACME Device Attestation, it binds identity to hardware co-processors, ensuring credentials cannot be stolen, copied, or reused on unauthorized machines. This allows organizations to confidently secure access to Wi-Fi networks, VPNs, SaaS applications, cloud APIs, Kubernetes, Git repositories, and regulated data. Unlike traditional certificate or MDM-based approaches, Smallstep provides cryptographic proof that a device is both authentic and company-owned. The platform supports all major operating systems and integrates with over 100 enterprise tools, making deployment seamless at scale. Trusted by Fortune 100 companies, Smallstep helps IT, security, and DevOps teams eliminate device identity gaps. The result is stronger security, reduced attack surface, and Zero Trust that actually works in modern environments.

The landscape of work has undergone a significant transformation, enabling individuals to operate from virtually anywhere rather than being confined to their offices. Cloud-based applications have replaced on-premise solutions, leading to a distributed company network perimeter that spans the internet. Traditional VPNs, which focus on network-centric remote access, have become not only cumbersome and outdated but also pose considerable security vulnerabilities for businesses. The costs and resources associated with acquiring, deploying, and maintaining VPN infrastructure can be staggering. When access isn't secured at the application level, hackers may be able to compromise entire networks. Twingate offers a solution for organizations by facilitating the swift implementation of a zero trust network that outperforms VPNs in security. As a cloud-based service, Twingate enables IT teams to establish a software-defined perimeter rapidly without necessitating any changes to existing infrastructure. Moreover, it provides centralized management of user access to internal applications, regardless of whether these applications are hosted in the cloud or on-premise. This modern approach not only enhances security but also simplifies access management across diverse environments.

Shieldoo is a cutting-edge private network solution that facilitates remote connections from virtually any location, leveraging the popular open-source Nebula framework. This secure network consists of various components, including nodes, lighthouses, and an administration center. The nodes represent user devices, servers, cloud stacks, and LAN access boxes. Through a lighthouse, two nodes can identify each other and establish a peer-to-peer connection, enhancing network efficiency. Shieldoo simplifies the creation of intricate security frameworks, and a user-friendly wizard guides you through the setup process for your security infrastructure. Management tasks are centralized in the admin center, ensuring streamlined operations. The pricing model is flexible, requiring payment only for the users and servers that utilize the network each month. Moreover, users have access to a comprehensive range of features, including unlimited admin accounts, multi-factor authentication (MFA), a personalized domain, and unlimited single sign-on (SSO) capabilities, making it an attractive option for organizations seeking robust security solutions. Overall, Shieldoo offers a versatile and powerful platform for managing secure connections in a modern digital landscape.

If your organization needs a reliable way to let employees securely access company systems from anywhere, whether working remotely, in the office, or on the road, Ivanti Connect Secure is built to handle exactly that. It provides VPN-based remote access with strong security controls built in, so IT teams don't have to choose between giving employees easy access and keeping company data protected. Users connect through a single client that works across Windows, macOS, iOS, and Android, and the system automatically checks whether a device meets security requirements before allowing access, reducing the risk of breaches from unmanaged or compromised devices. Multi-factor authentication adds another layer of protection, supporting everything from smartphone-based codes to biometrics. For organizations beginning to adopt zero trust security principles, Ivanti Connect Secure provides a practical migration path that builds on existing VPN infrastructure rather than replacing it entirely, making it a smart choice for IT teams balancing security goals with budget and operational realities.

SonicWall Cloud Edge Secure Access is tailored to fulfill the requirements of a dynamic business landscape that functions continuously, whether on-premises or in the cloud. It offers a user-friendly network-as-a-service solution that facilitates both site-to-site and hybrid cloud connections, while incorporating Zero-Trust and Least Privilege security principles within a cohesive framework. With the surge in remote work, companies are increasingly recognizing the importance of transcending traditional perimeter-based security tactics to safeguard their hybrid cloud assets. By utilizing SonicWall's robust and cost-effective Zero-Trust and Least Privilege security approach, organizations can effectively mitigate the growing attack surface and thwart the lateral movement of threats, whether they originate from within or outside the organization. In partnership with Perimeter 81, Cloud Edge Secure Access ensures that unauthorized individuals are kept out, while providing trusted users with customized access that meets their specific requirements. This solution streamlines the authentication process for users, regardless of their device, location, or time, thereby making secure access more convenient than ever before. Consequently, this advancement enables organizations to bolster their overall security framework while adapting to the changing work environment. Ultimately, it empowers businesses to maintain productivity without sacrificing security in an increasingly digital world.

Utilize Azure ExpressRoute to create secure and private links between Azure's data centers and your on-premises systems or colocation sites. In contrast to conventional internet connections, ExpressRoute pathways bypass the public internet, resulting in improved reliability, higher speeds, and lower latency. This advantage may translate into significant cost reductions when moving data from local systems to Azure. By adopting ExpressRoute, you can effectively combine additional computing and storage capabilities with your existing data centers. With its remarkable throughput and fast response times, Azure can seamlessly serve as an extension of your current operations, enabling you to harness the benefits of public cloud scalability and efficiency while maintaining robust network performance. This method of connection allows organizations to retain greater control over their data while simultaneously leveraging the vast potential of cloud solutions. Moreover, this setup not only enhances operational efficiency but also paves the way for innovative business strategies and growth.

To safeguard against data loss, malware, and phishing attacks, implementing a high-performance Zero Trust application access and internet browsing solution is essential. Relying solely on traditional tools to connect employees to corporate systems often leads to excessive trust being granted, creating significant data risks. The complexity of managing the corporate perimeter has escalated due to inconsistent configurations among VPNs, firewalls, proxies, and identity providers. Additionally, deciphering logs and comprehending user access to sensitive data has become increasingly intricate in today’s environment. It is vital for employees, partners, and customers to have access to a network that is secure, fast, and reliable for their operations. By adopting Cloudflare Zero Trust, traditional security barriers are replaced with a vast global edge, which boosts both speed and security for teams around the globe. This method guarantees that consistent access controls are enforced across cloud-based, on-premise, and SaaS applications, thereby facilitating a smooth and secure user experience. As cybersecurity threats continue to evolve, it is imperative to stay proactive and adaptive in order to ensure ongoing and effective protection against new challenges that may arise. Regular assessments and updates to security strategies will further enhance your organization’s resilience against these ever-changing threats.

Remote Safely introduces an enhanced layer of Zero-Trust security designed to address the lingering risks linked to remote work environments. This innovative solution integrates various security measures, including AI-driven risk assessment, Virtual Desktop Infrastructure (VDI), and Security Operations Center (SOC) resources, ensuring robust defense against data breaches stemming from both advanced and basic cyber threats, including visual hacking. Offering a more effective alternative to traditional zero-trust methodologies, Remote Safely restricts access to sensitive information while continuously validating user identities through biometric screening within remote work settings. By ensuring that only the individual visible on camera can access or view critical data, the system effectively mitigates unauthorized access. Furthermore, Remote Safely empowers organizations to provide their employees with enhanced flexibility, allowing teams to focus on their core responsibilities while maintaining the security of their sensitive information. In this way, businesses can strike a balance between operational efficiency and data protection.

FerrumGate is a project centered around Open Source Zero Trust Network Access (ZTNA) that leverages cutting-edge identity and access management technologies to ensure secure connectivity to your network. It incorporates multi-factor authentication, continuous surveillance, and detailed access controls to enhance security. This system is suitable for a variety of applications, including secure remote access, cloud security, and management of privileged access. Additionally, it supports identity and access management, endpoint security measures, and facilitates connectivity for Internet of Things (IoT) devices. With its comprehensive features, FerrumGate aims to provide a robust solution for modern cybersecurity challenges.

The Intel Trust Authority functions as a zero-trust attestation service aimed at ensuring the security and integrity of both applications and data across various environments, including cloud platforms, sovereign clouds, edge computing, and on-premises infrastructures. By independently verifying the trustworthiness of computing assets—ranging from infrastructure and data to applications, endpoints, AI/ML workloads, and identities—it guarantees the authenticity of Intel Confidential Computing environments, which encompass Trusted Execution Environments (TEEs), Graphical Processing Units (GPUs), and Trusted Platform Modules (TPMs). This service instills confidence in the reliability of the operating environment, irrespective of the management of the data center, effectively bridging the critical gap between cloud infrastructure providers and the entities responsible for their verification. By facilitating the deployment of workloads across on-premises, edge, and various cloud or hybrid configurations, the Intel Trust Authority delivers a unified attestation service that is intrinsically linked to silicon technology. Consequently, organizations can sustain strong security protocols while adapting to the complexities of modern computing environments, ensuring that their operations remain secure as they evolve. Furthermore, this capability is essential for fostering trust in digital transactions and interactions in an increasingly interconnected world.

The Hyperport offers a comprehensive solution for secure user access by integrating Zero-Trust Network Access (ZTNA), Privileged Access Management (PAM), and Secure Remote Access (SRA) into a cohesive and flexible framework, enabling swift connectivity for internal staff, remote employees, vendors, and outside collaborators without compromising security. This system adheres to the least privilege principle throughout the organization's infrastructure, which includes a variety of environments such as Windows applications, web services, and industrial control systems, by utilizing just-in-time access, multi-factor authentication across all security levels, real-time surveillance, session documentation, and dynamic management of user entitlements. Tailored to support hybrid, cloud, and on-premises implementations across multiple locations, it allows centralized control over IT, operational technology (OT), industrial control systems (ICS), and cyber-physical systems (CPS), while also offering web-based access portals (including Web, RDP, SSH, VNC), secure file transfers, tamper-proof audit logs, micro-segmentation capabilities, and rigorous policy enforcement to reduce the attack surface. Furthermore, the platform's extensive capabilities empower organizations to effectively oversee user access and uphold compliance with security regulations, significantly bolstering their overall cybersecurity stance. As a result, businesses can confidently navigate the evolving landscape of cyber threats while ensuring that every access point is secured and managed appropriately.