The OPC Unified Architecture (UA) is establishing itself more and more as a consolidated standard in the automation industry. Compared to OPC, OPC-UA provides security functions for authentication and secure encrypted communications. One challenge factories face is the secure key storage and the roll out of certificates. Since November 2012, Wibu-Systems has been working to guarantee the support of the OPC-UA standard; the company demonstrated how certificates and keys are stored in CmContainers, either in a smart card-based CmDongle, ideal to the many industrial interfaces, or in a CmActLicense file, that can be bound to a secure element on the target system. Ascolab and Wibu-Systems are working together in a ZIM-funded project aimed at integrating of OPC-UA client and server stacks into CodeMeter.