CYBER RANGES is a military-grade cyber range platform and technology designed for training, testing, measuring and improving digital dexterity and cyber resilience. The platform provides deep-dive simulation technology for cybersecurity exercises and capability development, using military-grade technology to deliver simulation-based training environments that replicate real-world scenarios, corporate infrastructures, and cyber attacks. It enables simulation of real attacks on IT/OT infrastructure, offering environments for testing abilities in true-to-life scenarios. The platform supports multiple deployment options including cloud-based Range as a Service, hosted access, on-premise deployment, and portable configuration in a Pelican case format. It includes an Injector Engine for simulating and automating various cyber-attacks, user activities, and background traffic, while incorporating performance tracking, competency assessment capabilities, and integration with external systems through APIs.