Nine23 has deep expertise in the Defence sector and understands the critical need for high-assurance, cyber secure capabilities to support the UK Armed Forces in challenging operational environments. Every frontline end-user deserves secure, reliable access to the tools they need – when they need them.
We support the Defence industry in addressing today’s cyber security threats while future-proofing against emerging risks. Our services are underpinned by Platform FLEX—a mature, trusted private cloud solution hosted in secure UK data centres, ensuring 100% UK Data Sovereignty.
Platform FLEX is fully aligned with HMG security requirements, including adherence to the Code of Connection (CoCo) for MOD networks (RLI/ALI). It enables multiple cloud-hosted solutions at OFFICIAL-SENSITIVE and private cloud services at above OFFICIAL classification levels.
Who We Work With





Connecting the Defence Industry: What’s the Future for Collaboration?
Relevant Products
Secure By Design Consultancy
Cyber Resilience Risk Assessment
Platform FLEX
FLEX-Sentinel
FLEX Pathway
FLEX MESH
Sentinel – WS
Sentinel Vault
FLEX – Pulse
LynX
Accreditations
✓ Cyber Essentials Plus
✓ ISO 27001 certified
✓ UK data sovereignty
✓ Vetted SC cleared personnel
✓ ISO 14001 certified
✓ Compliant with NCSC guidelines
✓ ISO/IEC 20000-1 certified
✓ ISO 9001 certified
✓ Secure network access PSN/FN4G, PSNfP/LECN/LEDS, PNN, PND-R, RLI/ALI & HSCN