Acubed IT is a UK-based provider of secure, scalable, and innovative technology solutions for National Security, Defence, and the Public Sector. Our fully SC/DV-cleared team specialises in secure application development, cross-domain systems, and advanced cryptographic research. Core services include cross-domain system integration, post-quantum cryptography risk assessments (PQC-RA), and collaborative R&D through Knowledge Transfer Partnerships. We have developed the Cross Domain Hybrid Application (CDHA) Framework – a unique solution to address cross-domain application challenges. In partnership with academia and Innovate UK, we advance cybersecurity through post-quantum cryptography, AI-driven vulnerability scanning, and next-generation encryption technologies, shaping the future of secure digital systems.