This document is a white paper that outlines the security framework and strategies employed by Huawei Cloud. It begins with an introduction to cloud security and progresses to detail the shared responsibility model, which delineates the security responsibilities of both Huawei and its tenants. The paper further discusses security compliance and privacy protection, emphasizing the importance of adhering to relevant standards. It also describes the organizational structure for security management, including personnel roles and responsibilities related to security and privacy protection. Infrastructure security is a significant focus, detailing various aspects such as identity and access security, physical and environmental security, and network security. The document elaborates on platform security measures, API application security, and data security, including access isolation and transmission security. Finally, it addresses tenant services and security, providing insights into the security measures associated with various cloud services offered by Huawei.