Who is Block Armour?
Block Armour is a cybersecurity company that delivers software-defined perimeter and zero-trust network security solutions for enterprise and critical infrastructure environments.
- Zero trust and software-defined perimeter (SDP) network security solutions for enterprises and critical infrastructure.
- Micro-segmentation and least-privilege access controls for users, devices, and applications across hybrid and multi-cloud environments.
- Secure remote access and OT/ICS network protection for industrial, utility, and critical infrastructure operators.
- Identity-centric security using strong authentication, role-based policies, and granular access governance.
- Deployment and integration services for implementing zero-trust network architectures within existing IT and Operational technology (OT) environments.
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More About Block Armour
Block Armour operates in the network security and zero-trust access control domain, focusing on securing enterprise, government, and critical infrastructure environments. Its offerings are designed around the software-defined perimeter (SDP) model and zero-trust security principles, where access is granted based on identity and context rather than implicit trust derived from network location. The company positions its technology to protect users, applications, workloads, and OT assets across on-premises (on-prem) data centers, cloud platforms, and remote locations.
The core of Block Armour’s approach is to create secure, isolated segments that are only visible and accessible to authenticated and authorized entities. This aligns with micro-segmentation and least-privilege concepts often implemented in zero-trust architectures (zero-trust network security). Instead of exposing entire networks, Block Armour’s solutions restrict visibility and connectivity to specific services or applications, reducing the attack surface and limiting lateral movement in the event of a breach. This approach is applicable to both IT and OT networks, including industrial control systems and Supervisory Control and Data Acquisition (SCADA) environments.
From an architectural perspective, Block Armour uses identity-aware access controls and policy engines that evaluate user roles, device posture, and other contextual attributes before establishing encrypted connections. This model is similar to other software-defined perimeter frameworks that decouple security from underlying network topology. The platform is designed to integrate with existing identity and access management (IAM) tools and directory services, enabling enterprises to leverage current authentication mechanisms while enforcing more granular network access policies.
In OT and critical infrastructure settings, Block Armour’s solutions are positioned to secure remote maintenance access, vendor connectivity, and supervisory access to industrial assets. By applying zero-trust and Session Description Protocol (SDP) concepts to OT networks, the company targets environments where traditional perimeter firewalls and flat networks create exposure to cyber threats. The technology aims to segment critical assets, enforce strict access controls, and provide encrypted tunnels for remote users and systems that must interact with sensitive equipment.
Within a marketplace or directory taxonomy, Block Armour fits under categories such as Zero-Trust Network Access (ZTNA), software-defined perimeter (SDP), secure remote access, micro-segmentation, and industrial/OT cybersecurity. Its offerings are oriented toward enterprises seeking to transition away from perimeter-centric security models and VPN-based remote access toward identity-centric, policy-driven connectivity that can span data centers, cloud workloads, branch sites, and industrial facilities.
Our description of Block Armour. Updated December 2025.
