Core Viewpoint - Huawei's HarmonyOS desktop operating system and Huawei Cloud's Euler server operating system have passed the security reliability assessment, allowing entry into critical industries such as government and finance [1][3]. Group 1: Assessment Results - The assessment was conducted based on the national "Security Reliability Assessment Work Guide V3.0," with results valid for three years [3]. - HarmonyOS desktop system is the only one to receive a Level II security rating, indicating a higher level of independent development and security [3]. - Euler server system received a Level I certification, suitable for enterprise-level core scenarios [3]. Group 2: Industry Context - Huawei's Kirin chip has previously obtained a Level II certification, and the passing of both systems signifies Huawei's achievement of a "chip + operating system" full-stack domestic closed loop, strengthening the data security defense from the ground up [3]. - Other systems that passed the assessment include Tongxin desktop operating system, Alibaba Cloud server operating system, and ZTE's New Pivot server operating system [3][4].