This white paper provides a detailed overview of the Portworx Data Services (PDS) architecture, emphasizing security considerations and the shared responsibility model between Portworx and its customers. It outlines the components of the PDS, including the control plane, various data services, and the roles of PDS operators and agents in managing these services on Kubernetes clusters. The document explains the security measures implemented by Portworx, such as encryption of communications and the management of user accounts, while also detailing the security responsibilities that lie with customers, including the management of Kubernetes clusters and user access. Additionally, it discusses network communications and the telemetry data collected for service improvement and support. The aim of this white paper is to inform customers about the security framework surrounding PDS and the collaborative efforts required to maintain a secure environment for data services.