Decent Cybersecurity develops cybersecurity software and services focused on quantum-resistant protection for critical infrastructure, with products and offerings spanning network security, AI regulatory compliance, satellite communications, air and drone traffic management, and blockchain-based security. Its website says it serves high-stakes environments including space operations and unmanned aerial systems, and it describes deployments for defense and related agencies as well as critical infrastructure customers. The company highlights use of post-quantum cryptography, blockchain, AI, and quantum-resistant communications, and says it holds ISO 9001 and ISO 27001 certifications plus national, EU, and NATO “Secret” security clearances. Companies House records identify the UK entity Decent Cybersecurity Ltd as incorporated on 20 December 2023, with a registered office in London, England.