This document is a technical report that presents Huawei's data security governance practices and framework. It outlines the challenges associated with ensuring data security amidst rapid technological advancements, including 5.5G, cloud computing, and AI. The report explains that securing data is essential for protecting personal, business, and national interests, particularly in the context of recent data breaches and ransomware attacks. It discusses the need for enterprises to adopt improved governance systems and a comprehensive protection framework that encompasses the entire data lifecycle. The document details Huawei's approach to data security governance, which includes compliance with applicable legal and regulatory standards, and the establishment of a governance framework tailored to its operational needs. This framework is organized into three mainlines: governance, implementation, and engineering capability, each comprising various control domains and items. The report emphasizes the importance of a structured approach to data security to ensure long-term governance and compliance.