The core activity of cyllective AG is the provision of services in the field of IT security, particularly: Penetration Testing (secure execution of attack tests on IT systems), Cloud Security (security services for cloud infrastructures), Security Training (security training for employees), Security Consulting & Threat Modeling (security consulting and threat analysis), Systems Engineering (development and implementation of secure IT systems), and Cyber-Security Starter Package (starter package for companies to improve their IT security). The company positions itself as an independent consulting and engineering company in the IT security sector with a strong background in offensive security.