Digital identities are becoming increasingly important as IT and OT tasks become more automated. If machines and services are equipped with secure identities and communication partners can securely authenticate them, business processes can be designed to be automated and secure. Digital certificates from a securely constructed and operated public key infrastructure build the basis for secure identities in the production environment. We develop concepts, processes and technical solutions to equip our customers' devices and services with secure identities and to manage them throughout their entire lifecycle. We rely on a high level of automation of the certificate lifecycle with modern protocols to minimize the use of human labour and ensure that ...