eperi GmbH is a German security software vendor focused on cloud data protection through a universal, template-driven encryption gateway that enables zero-knowledge end-to-end encryption and customer-controlled key management across SaaS applications, web applications, databases, file stores, and other networked services. Its portfolio centers on the eperi Gateway platform with extensible XML/BPEL/Java templates, transparent proxy-based deployment, optional HSM support, and an on-premises index to preserve search/sort functionality over protected data, with packaged support for common SaaS platforms such as Microsoft Office 365 and Salesforce.