Best OT Secure Remote Access Software in China
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Compare the Top OT Secure Remote Access Software in China as of November 2025
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What is OT Secure Remote Access Software in China?
OT secure remote access software enables authorized engineers, technicians, and third-party vendors to securely connect to Operational Technology (OT) networks — like industrial control systems (ICS), SCADA, PLCs, and other critical infrastructure — from remote locations. It replaces traditional VPNs and jump-servers with modern security practices such as Zero Trust Network Access (ZTNA), least-privilege access, multi-factor authentication (MFA), and session isolation to reduce attack surfaces. These solutions often include network segmentation, protocol isolation, access logging, and session recording to ensure compliance, auditability, and protection against credential theft or lateral movement. For legacy or vulnerable OT devices that cannot be patched easily, “network-cloaking” or “invisible network” techniques help hide devices from unauthorized scans. Overall, OT secure remote access software allows remote management, maintenance, and troubleshooting of critical infrastructure while preserving security, reliability, and compliance. Compare and read user reviews of the best OT Secure Remote Access software in China currently available using the table below. This list is updated regularly.
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1
Zscaler
Zscaler
Zscaler, creator of the Zero Trust Exchange platform, uses the largest security cloud on the planet to make doing business and navigating change a simpler, faster, and more productive experience. The Zscaler Zero Trust Exchange enables fast, secure connections and allows your employees to work from anywhere using the internet as the corporate network. Based on the zero trust principle of least-privileged access, it provides comprehensive security using context-based identity and policy enforcement. The Zero Trust Exchange operates across 150 data centers worldwide, ensuring that the service is close to your users, co-located with the cloud providers and applications they are accessing, such as Microsoft 365 and AWS. It guarantees the shortest path between your users and their destinations, providing comprehensive security and an amazing user experience. Use our free service, Internet Threat Exposure Analysis. It’s fast, safe, and confidential. -
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MSP360 Connect
MSP360
MSP360 Connect is a fast and secure remote access solution enabling remote support, helpdesk assistance, remote work, distance education, and more. It allows users to access and control Windows devices from any operating system at any time regardless of the computer’s global location. The main features: ▸ Fast and stable connection ▸ Advanced security ▸ Multi-monitor support ▸ File transfer ▸ Session recording ▸ Text and voice chat ▸ Multi-user sessionsStarting Price: $89.99 per year -
3
Tosi
Tosi
The Tosi Platform is a purpose-built Cyber-Physical Systems platform designed specifically to secure, connect, and control Operational Technology (OT) networks and critical infrastructure. Unlike traditional IT tools adapted for OT, Tosi was engineered from the ground up for industrial environments: it supports native industrial protocols, tolerates extreme temperatures, and requires no complicated configuration. Deployment is rapid, sites can be up and running in under five minutes with a “plug-and-go” setup, allowing organizations to connect distributed infrastructure quickly and securely without specialized IT expertise. It implements a zero-trust security model with enterprise-grade protections: end-to-end 256-bit AES encryption, hardware-based authentication (with RSA keys), no open inbound ports, and ISO/IEC 27001:2022 certification. With Tosi, you get unified, centralized management through a single interface (TosiControl), enabling visual network topology views.Starting Price: Free -
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BlastShield
BlastWave
BlastShield is a zero-trust, software-defined perimeter solution designed to protect critical IT and OT assets by rendering them invisible and inaccessible to unauthorized users. It establishes an encrypted, peer-to-peer overlay network that cloaks protected devices and data from network scanning or traffic analysis tools, preventing credential theft, reconnaissance, and lateral movement. BlastShield combines phishing-resistant, passwordless multi-factor authentication (including mobile authenticators or FIDO2 keys), microsegmentation, data-in-motion encryption, and policy-based access controls to ensure only explicitly authorized devices and users can connect. It supports deployment across a wide range of network environments, TCP/IP, SCADA, SD-WAN, or even raw Ethernet, and can protect everything from legacy OT/ICS equipment, sensors, PLCs, HMIs, cloud VMs, and virtual infrastructure.Starting Price: Free -
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SurePassID
SurePassID
SurePassID is an advanced, deploy-anywhere multi-factor authentication platform built to secure both IT and OT (operational technology) environments, including critical infrastructure, legacy systems, on-premise, air-gapped, hybrid cloud, or fully cloud-based operations. It supports a wide variety of authentication methods; passwordless, phishing-resistant approaches like FIDO2/WebAuthn (with FIDO2 PIN, biometric, or push), as well as one-time passwords (OTP via OATH HOTP/TOTP), mobile push, SMS, voice, and traditional methods. SurePassID integrates with common operating systems, including domain and local logins, RDP/SSH remote access, and even legacy or embedded Windows systems often found in OT/ICS/SCADA environments, enabling offline 2FA when needed. It also supports securing VPNs, network devices, appliances, legacy applications, web apps (via SAML 2.0 or OIDC identity provider functionality), and network-device access protocols.Starting Price: $48 per year -
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Armis Centrix
Armis
Armis Centrix™ is a comprehensive cyber exposure management platform that provides continuous, real-time visibility and protection across IT, OT, IoT, and IoMT environments. Powered by the Armis AI-driven Asset Intelligence Engine, it identifies every connected device, assesses cyber risk, and monitors vulnerabilities across an organization’s entire digital attack surface. The platform automates risk scoring, streamlines compliance reporting, and supports rapid incident response through deep asset intelligence. With capabilities that span asset management, OT/IoT security, medical device protection, and early warning threat detection, Armis Centrix™ enhances operational resilience for modern enterprises. VIPR Pro adds advanced prioritization and remediation to connect findings directly to actionable fixes. Designed as a cloud-native, frictionless platform, Armis Centrix™ empowers organizations to reduce exposure, strengthen security posture, and maintain continuity at scale. -
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Dispel
Dispel
The industry's fastest remote access system that exceeds cybersecurity standards. Remote access is useful only if your team chooses to use it. That means it must be more than a security spec sheet. It must be fast, intuitive, and yes, look good. A person on a company's warehouse tablet selects the system they need to reach. Device and protocol whitelisting are hidden from view. The intense escalation of demand under COVID broke the administrative processes underlying most remote access systems. Reestablish and maintain coherent control of your networks using Dispel, a platform built to condense information to the essentials and automate the task waterfalls that would otherwise bog down changepoint decisions. A vendor requests access through a form by defining their identity, reason for access, access scope, and time frame. The request is logged and automatically sent to an administrator, who can approve or deny the request. -
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XONA
XONA
XONA enables frictionless user access that’s purpose-built for operational technology (OT) and other critical infrastructure systems. Technology agnostic and configured in minutes, XONA’s proprietary protocol isolation and zero-trust architecture immediately eliminates common attack vectors, while giving authorized users seamless and secure control of operational technology from any location or device. With integrated multi-factor authentication, user-to-asset access controls, user session analytics, and automatic video recording, XONA is the single, secure portal that connects the cyber-physical world and enables critical operations to happen from anywhere with total confidence and trust. XONA enables users to connect to critical assets and systems from anywhere securely. See how a technician quickly logs into a XONA CSG and authenticates, allowing them to connect to an HMI and address any issues remotely. -
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Waterfall Security
Waterfall Security Solutions Ltd.
Waterfall Security Solutions is an industrial cybersecurity company, protecting critical industrial networks since 2007 with a lineup of hardware and software products. Waterfall has revolutionized how entire industries protect physical assets and industrial processes from cyberattacks. Waterfall’s patented, unidirectional products enable safe IT/OT integration, remote access, remote monitoring & diagnostics, cloud connectivity, and tamper-proof forensics, without the risks and threats that always accompany firewalled connectivity. Waterfall has a growing list of customers worldwide including power plants, nuclear plants, onshore/offshore platforms, refineries, rail systems, manufacturing plants, utility companies, and more. Waterfall’s products integrate with a very wide range of industrial systems and are widely recognized for simplifying compliance with security regulations, standards, and best practices. -
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Sepio
Sepio
Detect, accurately identify, and manage your asset risks based on existence, not behavior. Augmented by OSINT data sources and internal cyber research, Sepio provides up-to-date intelligence on known asset vulnerabilities, so you don’t have to chase them. Granular parameters allow you to create and customize multiple differentiated policies that govern your entire ecosystem of IT, OT, and IoT assets so you have flexibility when it comes to managing your risks. Automated policy enforcement ensures immediate and uniformly applied action saving you from manual intervention so you can respond to asset risks and threats faster. Integration with third-party tools allows for expanded policy actions. Complete visibility to all of your assets, whether connected as a peripheral or a network element. Mitigate risks from uncontrolled or spoofing assets. Easy to operate, requiring low maintenance and minimal human intervention. -
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Neeve
Neeve
Making spaces work for people relies on a solid technology foundation. Neeve’s edge cloud infrastructure is a secure and scalable foundation for building operations, sustainability, and innovation. A unified platform to cyber secure your building, deploy smart building applications, unlock building data, and accelerate your journey to the cloud. Over a billion data points from all RXR buildings are now accessible through one centralized platform, enabling comprehensive analysis. Secure Edge provides a robust, auditable platform, that mitigates cybersecurity risks. Time-bound access and reduced vendor fees lead to streamlined equipment management, reduced truck rolls, and significant cost savings. Certified secure and deployed globally by leading companies. Neeve is an edge cloud platform transforming smart buildings and spaces, making them more secure, smarter, and more sustainable. -
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OTbase
Langner
OTbase is a productivity and collaboration tool for your journey towards secure and resilient OT networks. It enables users in cyber security and engineering roles to stay on top of hyper-complex OT networks with hundreds of thousands of devices. OTbase not just inventories your OT systems automatically, it also acts as a plattform to streamline, plan, and document your digital transformation journey. OTbase provides full transparency on all aspects of your OT networks, from minute configuration details to high level KPIs in a CISO dashboard. OTbase enables cyber security experts, control engineers, maintenance experts, plant planners, process engineers, and SOC analysts to get the information they need in an instant. -
13
Secomea
Secomea
Secomea Prime is a secure-remote-access and industrial IoT solution purpose-built for operational technology and industrial control systems. It enables technicians, vendors, and maintenance teams to access, program, troubleshoot, and maintain machines (PLCs, HMIs, SCADA, DCS, RTUs, etc.) remotely, from any device and location, without needing VPNs, open ports, or inbound traffic. Secomea includes a turnkey gateway (hardware or software), SiteManager, that connects to legacy and modern OT equipment and supports a variety of protocols, including Modbus, Ethernet/IP, serial/USB, Layer-2 tunneling, and more. Once deployed (often in under a day per site), Secomea provides unified remote-access management via GateManager and LinkManager; administrators set granular, role-based access controls and authenticate users securely (e.g., via MFA or SSO such as Azure AD or Okta), then track, log, and record every session for audit, compliance, and troubleshooting purposes. -
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Intel vPro Manageability
Intel
Intel vPro Manageability delivers a hardware-level, comprehensive remote-management solution for PC fleets. It builds on the broader Intel vPro platform, which integrates performance, multilayer security, remote management, and stability into business-grade PCs. With Manageability (via technologies such as Intel Active Management Technology, or AMT, and cloud-based tools like Intel Endpoint Management Assistant, or EMA), IT teams can remotely discover, configure, update, and repair devices anywhere, including those outside the corporate firewall. This includes out-of-band capabilities: IT can power systems on/off, boot or reboot, redirect boot to remote images, access BIOS settings, perform remote repair or reinstallation, and control keyboard/video/mouse (KVM) over IP even if the operating system is down or the PC is powered off. Meanwhile, Intel vPro’s built-in security (hardware-based protections, below-the-OS safeguards, encryption, and secure firmware/boot. -
15
ConsoleWorks
TDi Technologies
ConsoleWorks is a unified IT/OT cybersecurity and operations platform designed for privileged-access users. ConsoleWorks delivers secure, persistent remote access and full management of permissions, enabling organizations to control access to operating systems, network devices, configuration ports, servers, storage, applications, and more under a centralized, role-based access control model. It operates agent-lessly: instead of installing software agents on each asset, ConsoleWorks maintains a constant, secure connection that works regardless of an asset’s state (powered on/off, OS up/down), giving “out-of-band” control and visibility. It monitors and logs every privileged action, down to the keystroke, offering continuous auditing, session recording, configuration monitoring, patch and asset-inventory tracking, and automatic detection of configuration changes. -
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Belden Horizon Console
Belden
Belden Horizon is an industrial-grade software suite designed to provide secure remote connectivity, edge orchestration, and operational-technology (OT) data management for factories, plants, and other mission-critical infrastructure. At its core, the Belden Horizon Console enables Secure Remote Access (SRA) and persistent, always-on connectivity (via Persistent Data Network, PDN), allowing technicians or service providers to safely connect to remote machines or networks for troubleshooting, maintenance, or monitoring, without requiring complex IP routing or exposing the broader network. Horizon uses a zero-trust, multilayered security model including token-based two-factor authentication, role-based user and device access, encrypted tunnels, single sign-on (Active Directory), user-configurable password policies, IP allow lists, and a “virtual Lockout-Tagout (vLOTO)” permission system before granting connections to machines. -
17
AhnLab CPS PLUS
AhnLab
AhnLab CPS PLUS is a unified “CPS protection” platform engineered to secure cyber-physical systems, covering operational-technology endpoints and networks as well as IT systems connected to OT. It addresses how OT environments, historically isolated and stable, have increasingly become intertwined with IT networks, increasing attack surfaces and risk for industrial operations. CPS PLUS offers extensive coverage across both IT and OT domains using a platform-centric architecture wherein multiple security modules interoperate under a central management console, AhnLab ICM. It implements a systematic threat-management workflow of identify, detect, and respond, enabling continuous asset visibility, network monitoring, vulnerability assessment, and threat detection without compromising system stability. Its multi-layered defense incorporates firewall, intrusion prevention (IPS), DDoS mitigation, sandboxing, and other protective modules. -
18
LinkGuard
Blue Ridge Networks
LinkGuard from Blue Ridge Networks is a cybersecurity and network-segmentation solution designed to secure critical IT and OT (operational technology) assets by placing them inside a “stealth” overlay that isolates, conceals, encrypts, and authenticates access to sensitive systems. LinkGuard uses a zero-trust, high-assurance cryptographic overlay (called CyberCloak) that creates separate secure Layer-2 network enclaves, segregating protected systems from the general network and each other, thereby dramatically reducing the attack surface without requiring changes to existing network infrastructure. Because LinkGuard operates as an overlay rather than replacing underlying networking or requiring reconfiguration of IP addressing, it can rapidly deploy using pre-configured cryptographic devices (like BorderGuard) and/or client-side agents, enabling secure remote access across distributed sites. -
19
MetaDefender OT Access
OPSWAT
MetaDefender OT Access enables secure, just-in-time remote access to Operational Technology (OT) and Cyber-Physical Systems (CPS), allowing both internal employees and external vendors to connect safely over mutually authenticated, outbound-only TLS tunnels without exposing OT networks to inbound traffic risks. It supports various industrial and IT protocols (e.g., Ethernet/IP, MODBUS, OPC UA, S7Comm, Telnet, SSH, RDP, HTTPS), enabling compatibility across a wide range of legacy and modern OT infrastructure. Depending on deployment mode, the solution can be cloud-managed (with remote configuration via AWS-hosted services) or on-premises (with a local Management Console), making it suitable for both internet-connected and air-gapped environments. It leverages components such as an Admin UI, Windows client (or service-level client), and a Management Console (in on-site deployments) to manage connections and enforce security policies. -
20
Honeywell Forge
Honeywell International
Honeywell Forge is a powerful analytics software solution that provides real-time data and visual intelligence. Connectivity is based on an extensible platform that is portable for deployment in any cloud or data center environment. It provides an enterprise-wide, top to bottom view, displaying the status of process, assets, people, and safety. Honeywell Forge is a persona-based solution that can be tailored to a particular role within the organization. Via digital twins, it uses real-time data to benchmark performance against best practice models, identifying opportunities. Users can drill down from an enterprise view, to site, to units, to determine details around the opportunity, including process and asset details. From there, actionable recommendations can be used to resolve problems and capture the identified benefits. -
21
Claroty
Claroty
Powered by our Continuous Threat Detection (CTD) and Secure Remote Access (SRA) solutions, our platform provides a full range of industrial cybersecurity controls that integrate seamlessly with your existing infrastructure, scale effortlessly, and have the industry's lowest total cost of ownership (TCO). The comprehensive industrial cybersecurity controls our platform provides revolve around the REVEAL, PROTECT, DETECT, CONNECT framework. Our platform's features empower you to achieve effective industrial cybersecurity, regardless of where you are on your industrial cybersecurity journey. The Claroty Platform is deployed across multiple industries, each with unique operational and security needs. Effective industrial cybersecurity starts with knowing what needs to be secured. Our platform removes the barriers that limit industrial networks from securely connecting to what enables the rest of the business to operate and innovate with an acceptable level of risk. -
22
Cyolo
Cyolo
Cyolo provides your global workforce with convenient and secure access to applications, resources, workstations, servers and files, regardless of their location or the device used. Cyolo’s Zero Trust platform is built for easy deployment and scales with minimal effort, supporting a wide range of business needs, growth and expansion. The Cyolo platform grants access to the authorized asset and not to the network itself, allowing you to achieve your security objectives without compromising business needs or user experience. Cyolo’s platform enhances visibility and control by applying granular policies and enabling real-time supervised access and session recording. This gives you a full audit trail that can integrate with your existing SIEM solution. Enable granular policies based on user ID, device ID, application, time and action, user & device location. Enable session recordings for risky users. -
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Corsha
Corsha
APIs power all of your applications and services. Secrets are shared. They are rarely rotated, sometimes never at all. API keys and tokens, even PKI, are getting leaked at an alarming rate. You need clear visibility into and simple control over the machines that are accessing your APIs. Organizations lack visibility into the machines that are leveraging API secrets, and as automation shifts risk from human to machine, the identities of these machines and the secrets they use is more important than ever. Corsha stops API attacks that use stolen or compromised API credentials and helps enterprises protect data and applications that leverage machine to machine (or service to service) API communication. -
24
Xage
Xage Security
Xage Security is a cybersecurity company that provides zero trust asset protection for critical infrastructure, industrial IoT, and operational technology (OT) environments. Xage's Fabric Platform underpins all of its products and use cases, defending assets against attacks across OT, IIoT, IT, and the cloud. Xage's zero trust approach to security is based on the principle of "never trust, always verify." This means that Xage authenticates all users and devices before granting access to any assets. Xage also enforces granular access policies based on user identity, context, and asset risk. Xage's products include: Zero Trust Remote Access Identity-Based Access Management Zero Trust Data Exchange Xage's products are used by a wide range of organizations, including government agencies, utilities, and industrial manufacturers. Xage's customers rely on Xage to protect their critical infrastructure, OT assets, and industrial data from cyberattacks. -
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BeyondTrust Endpoint Privilege Management
BeyondTrust
Eliminate unnecessary privileges and elevate rights to Windows, Mac, Unix, Linux and network devices without hindering productivity. Our experience implementing across over 50 million endpoints has helped create a deployment approach with rapid time to value. Available on-premise or in the cloud, BeyondTrust enables you to eliminate admin rights quickly and efficiently, without disrupting user productivity or driving up service desk tickets. Unix and Linux systems present high-value targets for external attackers and malicious insiders. The same holds true for networked devices, such as IoT, ICS and SCADA. Gaining root or other privileged credentials makes it easy for attackers to fly under the radar and access sensitive systems and data. BeyondTrust Privilege Management for Unix & Linux is an enterprise-class, gold-standard privilege management solution that helps security and IT organizations achieve compliance.
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