Best Zero Trust / SASE / SSE Tools

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AT&T Cybersecurity AlienVault USM Anywhere is a cloud-hosted SIEM platform that unifies asset discovery, vulnerability assessment, intrusion detection, behavioral monitoring, and incident response for on-premises, cloud, and hybrid environments. It correlates security events from logs, network traffic, and cloud APIs like AWS CloudTrail and CloudWatch, retaining data for 90 days. Integrated with OTX threat intelligence and AlienLabs feeds, it targets SMBs and resource-constrained teams needing all-in-one threat detection without separate tools. OSSIM offers a limited open-source alternative for single-server on-premises use.

Appgate provides a high-performance Zero Trust Network Access (ZTNA) solution designed for complex hybrid and multi-cloud environments. The platform utilizes a Software-Defined Perimeter (SDP) architecture to create 1-to-1 encrypted tunnels, replacing legacy VPNs and hardware-based firewalls with identity-centric access controls. It features 'direct-routed' architecture to eliminate cloud latency bottlenecks and supports granular, attribute-based access control (ABAC) for both users and machine-to-machine communications.

Cloudflare started as a simple application to find the source of email spam. From there it grew into a service that protects websites from all manner of attacks, while simultaneously optimizing performance.

Arista Networks is an industry leader in data-driven, client to cloud networking for large data center/AI, campus and routing environments. Arista's award-winning platforms deliver availability, agility, automation, analytics and security through an advanced network operating stack.

Atsign is a cryptographic identity and secure communications platform built around the atProtocol, with keys generated at the edge and encrypted data exchanged only between authorized Atsigns. In the Encryption & Key Management scope, its main value is non-custodial, peer-to-peer key handling: private keys stay on sender and receiver devices, and the infrastructure operator cannot decrypt customer data. It is best suited for IoT, distributed systems, and agentic AI teams that want end-to-end encrypted messaging without centralized key custody or exposed inbound ports. Atsign also offers adjacent secure remote access tooling, but the core security model is protocol-level encryption.

AT&T Business offers **Security Operations Center (SOC)** services that combine managed monitoring, correlation, alerting, and incident response for enterprise networks and applications. In this category, it is positioned as a telecom-scale managed security provider that operationalizes security processes around AT&T network visibility and service management. The offering is best suited to organizations that want outsourced 24x7 security operations, alarm validation, and response support without building a full internal SOC. AT&T also sells adjacent cybersecurity products, but the core Security Operations scope here is its managed SOC/MDR services.

Authomize provides an AI-native Identity Governance and Administration (IGA) platform focused on continuous discovery, mapping, and governance of human and machine identities across cloud and on-premises environments. It delivers real-time visibility into permissions, entitlements, and access risks, automating remediation through policy enforcement and self-service workflows. Best suited for enterprises with complex multi-cloud infrastructures seeking to mitigate identity-based threats without disrupting operations. Authomize positions itself as a modern alternative to legacy IGA, emphasizing agentless integration and ML-driven risk prioritization for mid-to-large organizations.

Axis Security provides HPE Aruba Networking SSE, a cloud-native security platform integrating Zero Trust Network Access (ZTNA), Secure Web Gateway (SWG), and Cloud Access Security Broker (CASB) with SD-WAN for unified SASE. Acquired by HPE Aruba, it delivers consistent Zero Trust policies across remote users, branches, and data centers via local edge virtual machines that broker traffic to private apps without cloud backhaul. Best for enterprises seeking SSE as a SASE stepping stone, with features like SSL inspection, sandboxing, and AI-driven reputation blocking for malware and risky sites.

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Bitglass provides a multi-mode CASB that secures SaaS applications, IaaS instances, data lakes, and private apps via forward proxy, reverse proxy, and API integrations. It delivers real-time data protection and threat prevention using machine-learning to adapt to new cloud apps, malware, and user behaviors. The agentless architecture offers end-to-end visibility, prevents data leakage, and limits external sharing. As part of its integrated SASE platform with SmartEdge SWG and ZTNA, Bitglass suits enterprises adopting cloud and BYOD while addressing compliance gaps in dynamic environments.

Cato Networks offers NDR capabilities inside its SASE Cloud platform through Cato XDR and Network Stories. For NDR use cases, it analyzes north-south and east-west network telemetry, flow records, and packet-level signals to detect anomalies such as BGP session drops, blackouts, downed links, SLA degradation, and packet loss. Its differentiator is incident triage plus root-cause analysis from the same cloud data lake used for security analytics. It is best suited for organizations that want network operations and security teams working from one incident view, including providers building NOC-as-a-service offerings.

Cisco Umbrella is a cloud-delivered Security Service Edge (SSE) solution that enforces zero trust by continuously verifying identity, device posture, and context before granting access to applications. It converges multiple security functions, secure web gateway, firewall-as-a-service, cloud access security broker, and zero trust network access, into a unified cloud platform. Cisco Umbrella serves enterprises requiring distributed security across remote workers, branch offices, and on-premises infrastructure without complete network architecture overhauls.

Defguard is a zero-trust, VPN-centric access platform built on WireGuard that combines access control, policy enforcement, and MFA for private network access. In the Zero Trust / SASE category, it is best understood as a WireGuard-based remote access and segmentation product rather than a full SASE suite: it focuses on authenticated, policy-driven connectivity to internal resources and keeps administrative services off the public internet. It is a fit for teams that want to replace or tighten legacy VPN access with identity-aware controls, especially where WireGuard is already acceptable as the data-plane protocol.

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Protect devices, apps, networks and data with isolation-based security solutions.

Hewlett Packard Enterprise (HPE) provides a comprehensive edge-to-cloud security architecture, largely bolstered by the acquisitions of Axis Security (SSE) and Silver Peak (SD-WAN). Their portfolio includes Universal ZTNA, cloud-delivered security service edge (SSE), and AI-powered Network Access Control (Aruba ClearPass). These solutions replace traditional VPNs and legacy firewalls with a modern, unified fabric for secure remote access and branch office connectivity.

iboss is a cloud-native SASE platform that consolidates networking and security services into a unified global fabric. It combines Secure Web Gateway (SWG), CASB, DLP, and ZTNA to provide secure access to users regardless of location while replacing legacy hardware VPNs and on-premise appliances. The platform leverages a containerized architecture to ensure dedicated resources and data sovereignty for large enterprises.

As a pioneer of browser security, Menlo Security delivers a solution with a comprehensive approach to enterprise browser security, protecting users where they work and securing applications from internet-borne attacks.

NCP engineering provides high-performance VPN software and remote access solutions that serve as foundational components for Zero Trust and SASE architectures. The solution features a central management system that handles large-scale deployments, supporting complex network topologies and diverse endpoint operating systems. It replaces legacy, inflexible hardware-based VPNs with a software-defined approach that supports MFA, endpoint integrity checks, and granular access controls.

Netskope provides Netskope One Data Loss Prevention (DLP), a cloud-delivered solution integrated into its Security Service Edge (SSE) platform for zero trust data protection. It secures sensitive data across SaaS, IaaS, private apps, web, email, endpoints, and AI environments using unified classification, policy enforcement, and incident management. The patented lightweight endpoint agent enables context-aware inspection of local peripherals like USB drives with cloud-based ML classifiers, OCR, file fingerprinting, and exact data matching (EDM). Best for enterprises needing consistent DLP coverage in hybrid and cloud-native setups with high detection accuracy.

NetWitness is a comprehensive threat detection and response platform that integrates SIEM, network forensics, endpoint data, and user entity behavior analytics (UEBA). It provides security analysts with deep visibility across the entire attack lifecycle by capturing and analyzing packet-level data alongside logs and endpoint telemetry. The platform is designed for high-scale enterprise environments, replacing fragmented point solutions with a unified workbench for incident investigation and response orchestration.

Nile Access Service is a cloud-native Network-as-a-Service platform delivering wired and wireless campus infrastructure with embedded zero-trust security. The vendor eliminates standalone NAC appliances by natively integrating identity-based access control and microsegmentation into the network fabric using Layer 3 architecture. Nile serves over 150 customers across 30 countries and targets enterprises seeking to reduce NAC complexity and operational overhead while enforcing continuous device authentication and least-privilege access.

NordLayer is a cloud-native SASE platform consolidating SD-WAN, firewall-as-a-service (FWaaS), secure web gateway (SWG), cloud access security broker (CASB), and zero trust network access (ZTNA) into a unified service. The vendor targets enterprises transitioning from point-solution security architectures to integrated cloud-delivered frameworks. NordLayer serves organizations requiring secure remote access, hybrid IT environments, and zero trust implementation without hardware-dependent infrastructure.

Nord Security offers a suite of business tools including NordLayer for network access and NordPass for credential management, focused on the SMB and mid-market segments. It provides a secure service edge (SSE) approach to remote access, replacing legacy VPNs with a Zero Trust Network Access (ZTNA) model. The platform integrates identity-centric access control with password security and threat exposure monitoring.

OpenText Core EDR provides endpoint detection and response integrated with SIEM, SOAR, and vulnerability assessment in a single cloud platform. It deploys a lightweight agent for telemetry collection on endpoints including laptops, servers, and mobile devices, capturing process execution, file changes, network connections, and registry modifications. Built for MSPs managing SMB clients, it uses pre-configured policies, automated playbooks for containment like device isolation and process termination, and CVE-based vulnerability scanning. Global threat intelligence and syslog/API integrations with IT, security, and PSA systems enable multi-client visibility and response without additional vendors.

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Palo Alto Networks is a major vendor in the Firewall / NGFW market, best known for PAN-OS-based next-generation firewalls and Cloud NGFW. Its firewalls combine application-aware policy, user-based controls, and threat prevention to inspect traffic, including encrypted sessions, and block known and unknown threats. It fits enterprises that need granular segmentation, internet edge protection, and consistent policy across physical and cloud deployments. Adjacent offerings exist, but the core firewall line remains centered on network traffic control, inspection, and prevention.

Perimeter 81, acquired by Check Point in 2023 and rebranded as Harmony SASE, delivers a cloud-native Secure Access Service Edge (SASE) platform consolidating networking, Zero Trust Network Access (ZTNA), secure web gateway (SWG), and cloud access security broker (CASB) for remote and hybrid workforces. It replaces legacy VPNs with software-defined perimeters, IPSEC tunnels, and WireGuard connectors to private applications, enforcing granular policies based on identity, device posture, geo-location, and time. Best suited for mid-sized enterprises migrating to cloud environments seeking unified SSE without hardware deployments.

Portnox CLEAR is a cloud-native NAC-as-a-Service platform that provides continuous risk monitoring and access control for endpoints across wired, wireless, VPN, and virtual networks. It discovers devices, authenticates via cloud RADIUS and Active Directory integration, enforces role- and risk-based policies, and automates quarantine of non-compliant devices using AgentP for enrolled endpoints. Vendor-agnostic with zero on-premises footprint, it supports managed, BYOD, IoT/OT devices in distributed environments. Best for mid-sized enterprises (500-10,000 employees) needing SASE-aligned NAC without hardware maintenance.

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Riptides appears to be an early-stage security vendor focused on Zero Trust / SASE, but publicly available product information is limited in the provided search results. Based on the category scope, a buyer would expect identity- and policy-based access control for users, devices, and applications, delivered through cloud-managed access points rather than a traditional VPN. If Riptides offers adjacent networking or security functions, they are not evident from the sources provided. This profile is therefore conservative and should be validated against Riptides’ own product documentation before procurement decisions.

Sangfor Technologies’ Network Secure is its firewall/NGFW product, positioned around application-layer control, malware inspection, and integrated web application protection. In this category it combines traditional NGFW functions with malware detection, intrusion prevention, application control, and NG-WAF capabilities in a single appliance. It is best suited for enterprises that want perimeter enforcement plus web application and ransomware-focused controls without adding separate firewall and WAF stacks. Sangfor also pairs the firewall with its own endpoint and network security products for correlated response, but those adjacent capabilities are secondary in this profile.

SASE OpsLab provides an automation marketplace and operations platform specifically designed to streamline the deployment and management of SASE (Secure Access Service Edge) environments. It utilizes prepackaged 'OpsKits' to automate complex migrations, configurations, and policy rollouts for major SASE vendors. This platform complements existing SASE investments by reducing the manual operational overhead and human error associated with managing zero-trust network architectures.

Segura is a leader in Privileged Access Management (PAM), delivering security that's fast, simple, and powerful, without the complexity.

Segura is a leader in Privileged Access Management (PAM), delivering security that's fast, simple, and powerful, without the complexity.

Skyhigh Security CASB is a cloud-based, multi-tenant Cloud Access Security Broker that deploys via forward and reverse proxy modes for real-time control over sanctioned and unsanctioned cloud services. It leverages the Cloud Registry for 50+ attribute risk assessments across 20,000+ services, enabling discovery, classification, and remediation. Key capabilities include DLP policy enforcement synced with endpoint DLP, machine learning-based UEBA for insider threat detection, malware analysis, configuration auditing against benchmarks with automated remediation, and contextual access controls. Best suited for enterprises needing comprehensive visibility and governance across hybrid cloud environments with SharePoint integration.

Smallstep provides a Device Identity Platform that enables high-assurance Zero Trust security through automated, short-lived PKI certificates and device-bound authentication. It streamlines authentication workflows to eliminate phishing risks and password dependency by ensuring only managed, healthy devices can access sensitive resources. The solution replaces legacy static credential systems and complements existing SSO providers with granular device-level visibility.

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ThreatLocker Ops is described in public material as part of ThreatLocker’s broader endpoint and zero-trust security portfolio, not as a standalone security awareness training suite. In the security awareness training category, the available evidence is limited to high-level claims about educating users around real-world threats, so buyers should treat it as an adjunct awareness capability rather than a dedicated LMS-style platform. It is best suited for organizations already using ThreatLocker that want threat-context education tied to policy and endpoint behavior.

Trinity Cyber is a network security vendor centered on Full Content Inspection (FCI), which inspects full internet sessions in both directions and neutralizes malicious content in transit. In the NDR scope, its value is highest where teams need deep north-south traffic inspection, visibility into encrypted sessions, and inline response at the network edge. Trinity Cyber is best suited for mid-market and enterprise buyers that want active network threat prevention rather than alert-only detection. The company also offers managed services and adjacent controls, but its core differentiator is inline session-level traffic analysis and modification.

Twingate provides Zero Trust Network Access (ZTNA) using software-defined perimeters to hide resources from public and private networks, enabling direct encrypted tunnels between authenticated users and resources. It acts as a cloud-native control layer for Zero Trust orchestration, integrating with identity providers, MDM, and EDR tools. Positioned as a lightweight SASE alternative to VPNs, it supports phased deployments without infrastructure changes. Best for organizations seeking rapid ZTNA adoption for remote access to critical resources while maintaining existing networks.

Versa Networks, the leader in SASE, combines extensive security, advanced networking, full-featured SD-WAN, genuine multitenancy, and sophisticated analytics via the cloud, on-premises.

VMware Workspace ONE Mobile Threat Defense (MTD) is a UEM-integrated mobile endpoint security solution for Android, iOS, and Chrome OS, powered by Lookout technology. Delivered through Workspace ONE Intelligent Hub, it provides threat detection and automated remediation without requiring separate application installation. The solution addresses phishing, malware, device vulnerabilities, jailbreak/root detection, rogue Wi-Fi, and SSL stripping attacks. Best suited for enterprises managing heterogeneous mobile device environments seeking consolidated endpoint protection with Zero Trust Network Access capabilities.

WALLIX provides cybersecurity solutions for simple, secure and trusted access, to protect digital and industrial environments.

For 30 years, WatchGuard has delivered real-world cybersecurity built for constantly evolving threats and limited IT resources. We partner with MSPs to simplify security and protect networks, endpoints, identities, and cloud environments with solutions that scale and last.

Xage Security is a zero-trust access vendor whose IAM offering centers on identity-based access for mixed IT, OT, and edge environments. In the IAM scope, it provides multi-factor authentication, federation, single sign-on, and policy-based access orchestration across multiple identity providers and local directories. Xage is best suited for industrial, critical infrastructure, and distributed enterprise buyers that need access control across legacy systems, remote sites, and intermittently connected environments. The company also sells adjacent zero-trust and privileged access capabilities, but its IAM value is rooted in layered identity enforcement.

Zentera Systems offers a Zero Trust Network Access (ZTNA) and microsegmentation platform centered around its Virtual Chamber technology. It provides a secure overlay for IT, OT, and AI infrastructure that requires no changes to underlying network architecture. It is often used to replace traditional VPNs and complex firewall-based segmentation with a more agile identity-centric access model.

Zerac is a zero-trust connectivity platform that focuses on direct, peer-to-peer secure interactions between users, machines, and applications. Utilizing end-to-end encryption for every interaction, it aims to eliminate the traditional perimeter while maintaining low latency through direct connections. It serves as a modern alternative to VPNs and hub-and-spoke network architectures.

Zero Networks is a microsegmentation vendor that automates network asset discovery, policy creation, and enforcement to stop lateral movement and reduce blast radius. Its Segment product is positioned for enterprises that want segmentation across on-premises, cloud, and OT/IoT environments without manually building firewall rules or deploying agents. The company also sells adjacent zero trust capabilities, but its microsegmentation offer centers on agentless, identity-driven segmentation with MFA-controlled access for workloads and unmanaged devices. It appears aimed at organizations replacing legacy segmentation projects with faster policy rollout and centralized control.

Zeroport is the first non-IP secure remote access solution provider. Using a patented physical bridge deployed at the gateway of an organization’s network, Zeroport enables only human interactions in and only a stream of pixels out - so no packet (no digital signal) enters or exits the network, all while enabling latency-free work at linear scale. This approach solves the biggest network access pains for both isolated and connected networks - it brings air-gapped networks from 0 to 1 in their r

Zscaler provides a cloud-native Zero Trust Exchange platform with over 150 global POPs, processing 200 billion+ daily transactions for secure user-to-application connectivity. It delivers Zscaler Internet Access (ZIA) as a security service edge (SSE) with secure web gateway (SWG), full SSL inspection, and Zscaler Private Access (ZPA) for zero trust network access (ZTNA) replacing VPNs. Backed by machine learning from massive scale, it offers 200,000+ daily security updates. Best for distributed enterprises needing low-latency protection for remote users, SaaS, and private apps without legacy hardware.