Jing Ji Guan Cha Wang·2025-09-16 03:57Core Viewpoint - The article highlights concerns regarding Microsoft's UCPD.sys, which allegedly contains hidden mechanisms that restrict Chinese software and potentially compromise user data security, raising alarms about privacy and national security [1][2][3]. Group 1: UCPD.sys Functionality - UCPD.sys is designed to protect user settings from being altered by third-party software, but it has been found to include a blacklist of numerous Chinese companies, effectively blocking their applications from modifying default settings [2][3]. - The program operates differently in various regions; in the EU, it complies with the Digital Markets Act (DMA) by allowing users to change default applications freely, while in China, it enforces restrictions that can revert settings to Microsoft’s defaults [3][4]. Group 2: Data Monitoring and Privacy Concerns - UCPD.sys actively monitors system changes and can execute hidden programs without user consent, raising significant privacy concerns as it may act as a backdoor for data collection [4][5]. - The driver collects detailed logs of user activity, including software usage and system modifications, which can be sent to Microsoft servers, potentially revealing sensitive information about user habits and preferences [5][6]. Group 3: Broader Implications and Historical Context - The article references past incidents where U.S. tech companies, including Microsoft, have been implicated in security breaches targeting Chinese entities, suggesting a pattern of behavior that could threaten critical infrastructure [6][7]. - The ongoing scrutiny of Microsoft’s practices has prompted calls for investigations and increased awareness among users regarding the risks associated with reliance on foreign software [7][8].