What We Do
At Acubed IT, we design and deliver next-generation cross domain solutions using XD-CORE® - our modular platform built on the Cross Domain Hybrid Application (CDHA) framework and powered by advanced cryptography.
We enable Government, Defence, and Critical National Infrastructure organisations to securely share and operationalise data across security boundaries. XD-CORE® delivers assured interoperability between air-gapped networks, ensuring cross domain security at all classification levels. It protects sensitive data at its most vulnerable – within the OFFICIAL domain – while enabling controlled, policy-driven interaction with higher-classification systems.
We integrate High Assurance Gateway (HAG) technologies through trusted partner and reseller relationships. As gateway-agnostic integrators, we work across multiple HAG providers to deliver the optimal solution to your unique operational needs.
At a Glance:
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All staff hold SC/DV level National Security Vetting
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A deep-tech team with proven defence sector experience
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Active collaborations with UK Government, Defence Primes and Academia
Discover how Acubed IT's cross domain solutions (CDS) can safeguard your data, enhance cross domain security and optimise interoperability.
Our Core Services
Cross Domain Solution Delivery
We design and deliver secure cross-domain applications for National Security and Defence using the
XD-CORE® CDHA Platform.
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Applications operating across OFFICIAL, SECRET and SECRET+ domains
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Secure interoperability across air-gapped security boundaries
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GDS-aligned application design for Government environments
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Custom secure case management and operational systems
Secure Cross-Domain Collaboration & Integration
We enable secure collaboration and controlled data exchange across classified domains using XD-CORE® CDHA Platform and High Assurance Gateway technologies.
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Multi-tenant collaboration platforms for SECRET environments
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Cross-domain workflow orchestration across OFFICIAL and SECRET
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High Assurance Gateway (HAG) integration via trusted partners
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Secure document sharing at SECRET+ classification levels
Post-Quantum Cryptography (PQC) Readiness & Risk Assessment
We provide advanced cryptographic risk analysis and migration planning for the post-quantum era.
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Cryptographic risk assessment of existing systems
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PQC migration planning and advisory services
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Alignment with NIST and NCSC standards
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Integration of PQC within XD-CORE® environments
Research, Development & Secure System Innovation
We conduct applied research and prototype development to advance next-generation secure cross-domain systems.
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Feasibility studies and New Product Introduction (NPI)
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Prototype development using XD-CORE® CDHA Platform
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Advanced cryptography research (PQC, FHE, lattice, Zero-Knowledge Proofs)
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Zero-trust and distributed system architecture design






