Best OT Secure Remote Access Software with a Free Trial of 2025

Fast, stable and secure remote access solution that allows users to connect to devices and servers remotely and resolve issues faster.

BlastShield represents a cutting-edge zero-trust, software-defined perimeter solution meticulously crafted to safeguard essential IT and OT assets by making them invisible and inaccessible to unauthorized entities. By creating an encrypted, peer-to-peer overlay network, it effectively conceals protected devices and sensitive data from network scanning and traffic analysis tools, which helps avert credential theft, reconnaissance efforts, and lateral movements within the network. The solution integrates phishing-resistant, passwordless multi-factor authentication methods—including mobile authenticators and FIDO2 keys—with microsegmentation, encryption of data in motion, and policy-driven access controls, thereby ensuring that only explicitly authorized devices and users are allowed to connect. Furthermore, BlastShield is versatile enough to be deployed in a variety of network environments, such as TCP/IP, SCADA, SD-WAN, or even raw Ethernet, making it capable of safeguarding a diverse range of assets from legacy OT/ICS equipment and sensors to PLCs, HMIs, cloud virtual machines, and virtual infrastructures. Its robust security framework not only enhances protection but also streamlines operational efficiency across different technological landscapes.

SurePassID is a sophisticated multi-factor authentication solution that can be deployed in various environments to protect both information technology and operational technology sectors, encompassing essential infrastructure, older systems, on-site operations, air-gapped setups, hybrid clouds, and fully cloud-based systems. The platform accommodates numerous authentication strategies, including passwordless and phishing-resistant methods like FIDO2/WebAuthn (utilizing FIDO2 PINs, biometrics, or push notifications), alongside one-time passwords (OTP through OATH HOTP/TOTP), mobile push notifications, SMS, voice calls, and conventional techniques. SurePassID seamlessly integrates with popular operating systems, facilitating domain and local logins, RDP/SSH remote access, and even older or embedded Windows systems typically found in OT/ICS/SCADA settings, thus allowing for offline two-factor authentication when necessary. Additionally, it offers protection for VPNs, network devices, appliances, legacy applications, and web applications through SAML 2.0 or OIDC identity provider capabilities, as well as access protocols for network devices. This flexibility makes SurePassID an essential tool for organizations aiming to enhance their security posture in diverse operational landscapes.

Armis Centrix™ unifies cybersecurity operations by delivering continuous discovery, monitoring, and protection of every asset across complex hybrid networks. Its AI-powered intelligence engine enables security teams to detect unmanaged devices, assess vulnerabilities, and mitigate risks before attackers can exploit them. Organizations can manage IT systems, industrial OT environments, medical IoMT fleets, and IoT devices from a single platform with zero blind spots. The platform supports both on-premises and SaaS deployments, making it flexible for industries like healthcare, utilities, manufacturing, and critical infrastructure. VIPR Pro enhances the platform with automated remediation workflows, helping teams prioritize issues based on real-world threat activity. Early Warning intelligence provides insight into vulnerabilities actively being weaponized, ensuring organizations can act ahead of threats. Armis Centrix™ also improves business outcomes by increasing operational efficiency, supporting compliance, and strengthening resilience. Trusted by global enterprises and recognized by Gartner and GigaOm, Armis Centrix™ is built to meet the cybersecurity demands of modern digital environments.