Best Software-Defined Perimeter (SDP) Software

Compare the Top Software-Defined Perimeter (SDP) Software as of February 2026

What is Software-Defined Perimeter (SDP) Software?

Software-defined perimeter (SDP) solutions are a type of network security architecture that allows authentication across a network on a case by case basis. Software-defined perimeter solutions offer network security software tools that enable IT security teams to segment networks and authenticate users based on the user access and data they require in each specific case. Compare and read user reviews of the best Software-Defined Perimeter (SDP) software currently available using the table below. This list is updated regularly.

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    UTunnel VPN and ZTNA
    UTunnel provides Cloud VPN, ZTNA, and Mesh Networking solutions for secure remote access and seamless network connectivity. ACCESS GATEWAY: Our Cloud VPN as a Service offers swift deployment of Cloud or On-Premise VPN servers. It utilizes OpenVPN and IPSec protocols, enables policy-based access control, and lets you deploy a Business VPN network effortlessly. ONE-CLICK ACCESS: A Zero Trust Application Access (ZTAA) solution that simplifies secure access to internal business applications. It allows users to securely access them via web browsers without the need for a client application. MESHCONNECT: This Zero Trust Network Access (ZTNA) and mesh networking solution based on WireGuard enables granular access controls to business network resources and easy creation of secure mesh networks. SITE-TO-SITE VPN: The Access Gateway solution lets you easily set up secure Site-to-Site tunnels (IPSec) between UTunnel's VPN servers and hardware network gateways, firewalls & UTM systems.
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    Starting Price: $6/user/month
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  • 2
    Perimeter 81

    Perimeter 81

    Check Point Software Technologies

    Perimeter 81 is transforming the world of secure network access and helping businesses of all industries and sizes smoothly transition to the cloud. Unlike hardware-based firewall and traditional VPN technology, Perimeter 81’s cloud-based and user-centric Secure Network as a Service utilizes the Zero Trust approach and SASE model framework to offer greater network visibility, seamless onboarding, and automatic integration with all the major cloud providers. Named a Gartner Cool Vendor, Perimeter 81 is considered by industry leaders to be winning the “SASE space race". Network security doesn’t have to be complicated – join Perimeter 81 on a mission to radically simplify the cybersecurity experience!
    Starting Price: $8 per user per month
  • 3
    InstaSafe

    InstaSafe

    InstaSafe Technologies

    InstaSafe is redefining the challenge of secure access to modern networks by leveraging Zero Trust principles with its security solutions, that ensure seamless access to cloud applications, SAP applications, on-premise data, IoT devices, and multiple other neoteric use cases. InstaSafe discards traditional VPN based conceptions of a network perimeter, instead moving the perimeter to the individual users and the devices they access. The Zero Trust approach followed by InstaSafe mandates a “never trust, always verify' approach to privileged access, without focusing on network locality. InstaSafe ZTAA relies on continuously assessing the trust and risk associated with every user, and the context of their access request, and simultaneously employs a system of comprehensive authentication before grnating least privilege access. By only making authorised applications accessible to the user, and not exposing the network to these users, ZTAA serves to negate the exploitable attacks surface
    Starting Price: $8/user/month
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    Wandera

    Wandera

    Wandera

    Unified real-time security for your remote users, wherever they are and however they connect. One single security solution for all your remote users, that spans use cases from threat protection to content filtering and zero trust network access, and covers smartphones, tablets and laptops. One unified analytics and policy engine that lets you configure once and apply everywhere. Your users have moved outside the perimeter, and your data has moved to the cloud. Wandera’s cloud-first approach ensures a consistent and seamless security and usability experience for all remote users, and doesn’t suffer from the challenges of extending legacy architectures to today’s new way of working. Our high-performance cloud platform scales vertically and horizontally on demand to deliver real-time security across 30+ global locations. Informed by 425 million sensors across our global network, the MI:RIAM threat intelligence engine always stays ahead of the evolving threat landscape.
  • 5
    Appgate

    Appgate

    Appgate

    Bringing together a set of differentiated cloud- and hybrid-ready security and analytics products and services. Today, Appgate secures more than 1,000 organizations across 40 countries. A Focused Approach to Zero Trust. Distributed, on-demand IT created a security problem. With more assets to defend and more complexity to overcome, security leaders are stuck solving today’s problems with yesterday’s solutions. Become a smaller target, making resources invisible and resilient to threat actors. Adopt an identity-centric, Zero Trust mindset that factors in context before granting access. Proactively detect and remove internal and external threats targeting your organization. Global enterprises and government agencies trust our industry-leading, proven secure access solutions. Strengthen and simplify network security with the most comprehensive, feature-rich ZTNA solution available. Reduce risk while providing consumers with seamless, secure network access to your digital services.
  • 6
    BloxOne Threat Defense
    BloxOne Threat Defense maximizes brand protection by working with your existing defenses to protect your network and automatically extend security to your digital imperatives, including SD-WAN, IoT and the cloud. It powers security orchestration, automation and response (SOAR) solutions, slashes the time to investigate and remediate cyberthreats, optimizes the performance of the entire security ecosystem and reduces the total cost of enterprise threat defense. The solution turns the core network services you rely on to run your business into your most valuable security assets. These services, which include DNS, DHCP and IP address management (DDI), play a central role in all IP-based communications. With Infoblox, they become the foundational common denominator that enables your entire security stack to work in unison and at Internet scale to detect and anticipate threats sooner and stop them faster.
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    Symantec Integrated Cyber Defense
    The Symantec Integrated Cyber Defense (ICD) Platform delivers Endpoint Security, Identity Security, Information Security, and Network Security across on-premises and cloud infrastructures to provide the most complete and effective asset protection in the industry. Symantec is the first and only company to unify and coordinate security. Functions across both cloud and on-premises systems. Symantec enables enterprises to embrace the cloud as it makes sense for them, without sacrificing past investments and reliance on critical infrastructure. We know Symantec will never be your only vendor. That’s why we created Integrated Cyber Defense Exchange (ICDx), which makes it easy to integrate third-party products and share intelligence across the platform. Symantec is the only major cyber defense vendor that builds solutions to support all infrastructures, whether entirely on-premises, entirely in the cloud, or a hybrid of the two.
  • 8
    Deepwatch

    Deepwatch

    Deepwatch

    Advanced managed detection and response to secure the distributed enterprise. Expert guided security operations for early detection and automated response to mitigate risk across the enterprise. Preemptively detect malicious activity and respond to active threats before the endpoint is compromised. Efficiently discover and remediate critical threats and vulnerabilities across the enterprise. Extensive experience across our team has led us to an important realization too often overlooked: each organization has unique aspects and requirements for its cyber solutions. No team is exactly the same and your threats aren’t either. We developed the Squad Delivery Model to foster collaborative, high touch, tailored services that meet your specific needs and requirements.
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    ColorTokens Xtended ZeroTrust Platform
    The cloud-delivered ColorTokens Xtended ZeroTrust Platform protects from the inside out with unified visibility, micro-segmentation, zero-trust network access, cloud workload and endpoint protection. Visibility across on-premise & multiclouds. Micro-segment for cloud workload protection. Stop ransomware from owning your endpoints. See all communication between processes, files, users, applications, and workloads. Identify security gaps with built-in threat and vulnerability assessment. Simple and faster time-to-compliance (for HIPAA, PCI, GDPR). Easily create ZeroTrust Zones™ and drastically reduce the attack surface. Dynamic policies that protect workloads migrating to the cloud. Block lateral threats without cumbersome VLANs/ACLs or firewall rules. Lockdown any endpoint by automatically allowing only whitelisted processes. Block zero day or fileless exploits, and stop communication to C&C servers.
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