List of the Top 11 On-Prem Software-Defined Perimeter (SDP) Software in 2025

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.

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.

Big Network facilitates the secure and effortless connection of networks and services among individuals, locations, and cloud environments from any location. By integrating simplicity with technologies such as mesh-VPN, cloud services, and SD-WAN, it provides a one-button solution for users. Additionally, Big Network features broadband offerings, a cloud marketplace, and a collaborative partner network. According to Accenture, 83% of enterprises are expected to maintain hybrid workforces moving forward. With Big Network, users can seamlessly and securely link their networks and services across various settings, including offices, homes, and cloud platforms. Navigating private networking often proves to be expensive and complex, especially with the myriad of legacy technologies available, each tied to distinct software and hardware ecosystems. This innovative approach aims to simplify the networking process, making it more accessible for all users.

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.

Trustgrid serves as the SD-WAN solution tailored specifically for software providers. The Trustgrid platform effectively meets the unique demands of SaaS application providers that operate in environments controlled by customers or partners. By integrating SD-WAN 2.0, edge computing, and zero trust remote access into one cohesive platform, we empower software providers to oversee and support distributed application environments from the cloud to the edge. With Trustgrid, you can streamline connectivity, bolster security measures, and ensure consistent network availability, all while enhancing the overall performance of your applications. This innovative approach not only simplifies management but also fosters a more resilient infrastructure for software providers.

Implementing a zero-trust framework for accessing cloud environments or data centers provides a secure and dependable connection that enhances productivity while minimizing expenses. Prior to granting any access, compliance with regulations is thoroughly verified. Enhanced data security measures, such as lockdown mode and continuous VPN usage, are integrated to safeguard sensitive information. This solution stands out as the leading SSL VPN, catering to organizations of various sizes across different sectors. One specific client benefits from both remote and on-site access, simplifying management processes. Directory and Identity Services play a pivotal role in this framework. It is crucial to confirm that all devices comply with security stipulations before establishing a connection. Access to both cloud-hosted and on-premise resources is designed to be straightforward, secure, and user-friendly. With options for on-demand, application-specific, and always-on VPNs, data transmission remains protected. Organizations can centrally oversee policies, monitor user activities, device statuses, and access logs efficiently. Additionally, users can access web-based applications and virtual desktop solutions without the need for any installations. This approach not only facilitates access but also ensures data protection, thereby meeting industry compliance standards effectively. Overall, the integration of these security measures enhances organizational resilience against potential threats.

The Symantec Integrated Cyber Defense (ICD) Platform delivers an extensive array of security offerings, encompassing Endpoint Security, Identity Security, Information Security, and Network Security, to effectively protect both on-premises and cloud environments. As a trailblazer in merging and coordinating security capabilities across various systems, Symantec enables organizations to embrace cloud solutions at their own pace while safeguarding previous investments in essential infrastructure. Recognizing that many organizations rely on a variety of vendors, Symantec introduced the Integrated Cyber Defense Exchange (ICDx), which promotes the smooth integration of third-party solutions and fosters intelligence sharing across the platform. Distinctive in the realm of cyber defense, Symantec's solutions are designed to support all infrastructure types, whether they are entirely on-premises, exclusively cloud-based, or a combination of both, ensuring that every enterprise can achieve adaptable protection tailored to its needs. This emphasis on flexibility and integration not only enhances security but also reinforces Symantec’s status as a leading figure in the comprehensive cyber defense arena. By prioritizing a user-centric approach, Symantec continues to innovate and evolve, shaping the future of cybersecurity for organizations around the globe.

Symantec Secure Access Cloud is a SaaS solution crafted to improve secure and comprehensive access management for corporate assets, whether on-site or in the cloud. Utilizing Zero Trust Access principles, it allows for direct connectivity without requiring agents or hardware, thereby reducing network-level threats effectively. The system guarantees that application-level connectivity remains intact while hiding all resources from end-user devices and the internet, which aids in completely eliminating the network attack surface. This method significantly diminishes the chances for lateral movement and network-based threats, thereby cultivating a more secure environment. Additionally, Secure Access Cloud features intuitive, finely-tuned, and easily manageable access and activity policies that proactively block unauthorized access to corporate resources by continuously enforcing contextual authorization based on user, device, and resource details. This capability ensures secure access not just for employees, but also for partners and personal devices, ultimately strengthening the overall security posture. Consequently, organizations can confidently support remote work and collaboration while upholding rigorous security measures, leading to a more resilient and flexible operational framework.

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.

Aruba's Edge Services Platform (ESP) is a cutting-edge, cloud-driven solution crafted to facilitate the transformation of digital businesses by providing automated network management, extensive Edge-to-cloud security, and predictive AI insights boasting a remarkable accuracy of up to 95%. This platform is distinguished by its ability to enhance operational speed, encompassing swift remediation times, robust security protocols, scalability for users and locations, and operational AIOps, all integrated within a unified cloud-native structure. Equipped with features such as dynamic segmentation and stringent policy enforcement, ESP adeptly safeguards new devices as they connect to the network. Furthermore, it supports seamless orchestration that can be managed through the cloud across wired, wireless, and WAN settings, delivering exceptional adaptability whether it is deployed in the cloud, on-site, or as a service. Users benefit from heightened context, visibility, and control across all areas via a comprehensive cloud-native console that consolidates Wi-Fi, wired, and WAN infrastructure. Moreover, Aruba's Unified Infrastructure not only streamlines but also optimizes IT operations across diverse environments, which encompass campus, branch, remote, data center, and IoT networks, all under a management scheme that allows for either cloud or on-premises solutions, thus contributing to the creation of a more agile and responsive IT ecosystem. As businesses continue to evolve, the ESP's innovative features are poised to meet the increasing demands of modern networking and security needs effectively.

The ColorTokens Xtended ZeroTrust Platform, delivered through the cloud, ensures robust protection of internal networks by offering comprehensive visibility, microsegmentation, and zero-trust network access. Additionally, it safeguards endpoints and workloads with advanced endpoint protection capabilities. This platform provides unified visibility across both multicloud environments and on-premises settings, ensuring that cloud workloads are shielded through effective micro-segmentation strategies. It prevents ransomware from seizing control of endpoints, allowing users to monitor all interactions among processes, files, and users seamlessly. With integrated vulnerability and threat assessments, organizations can efficiently pinpoint security weaknesses and enhance their defenses. Compliance with regulations such as HIPAA, PCI, and GDPR is streamlined and expedited through its user-friendly interface. Organizations can effortlessly establish ZeroTrust Zones™, significantly minimizing their attack surface. The implementation of dynamic policies enhances the protection of cloud workloads without the complexities often associated with traditional firewall rules or VLANs/ACLs, effectively blocking lateral threats. By restricting operations to only whitelisted processes, organizations can secure endpoints against unauthorized access. Furthermore, the platform effectively halts communications with command and control servers and mitigates risks from zero-day exploits, ensuring a proactive security posture. Ultimately, this solution empowers organizations to maintain stringent security while simplifying their operational processes.