The core activity of Gysin Informatik GmbH is the provision of services in the field of IT infrastructure, particularly in the following areas of focus: * Design, implementation, operation, and security of Microsoft Active Directory systems * Disaster recovery and emergency management for Microsoft environments * System Center (ConfigMgr, SCVMM, SCOM) and Microsoft Security * Cloud readiness and fabric management (SCVMM, Hyper-V) * Migration projects and operational support for Microsoft products such as Exchange, SQL, and Office. The company also offers consulting and training services in these areas and supports customers in the implementation and operation of complex IT infrastructures.