美国入侵中国国家授时中心，破案了！

Core Viewpoint - The article highlights a significant cyber attack by the U.S. National Security Agency (NSA) against China's National Time Service Center, emphasizing the importance of safeguarding "Beijing Time" and the implications of such attacks on critical infrastructure and national security [2][4]. Group 1: Cyber Attack Details - The NSA's cyber attack activities against the National Time Service Center have been ongoing and exhibit a systematic and progressive nature [6]. - The attacks were primarily initiated during late night to early morning hours in Beijing, utilizing virtual private networks from the U.S., Europe, and Asia [7]. - Specific incidents include the use of vulnerabilities in foreign brand mobile SMS services to control staff mobile devices and steal sensitive data starting from March 25, 2022 [7]. - From April 18, 2023, the NSA repeatedly used stolen login credentials to infiltrate the National Time Service Center's computer systems [7]. - A new cyber warfare platform was deployed by the NSA from August 2023 to June 2024, utilizing 42 specialized cyber attack tools against multiple internal networks of the National Time Service Center [7]. Group 2: Attack Methods and Countermeasures - The NSA employed various sophisticated methods to conceal their attacks, including the use of forged digital certificates and high-strength encryption algorithms to erase traces of their activities [8]. - In response, national security agencies collected evidence of the attacks, guided the National Time Service Center in conducting investigations, and implemented upgraded preventive measures to eliminate potential threats [8]. Group 3: Broader Implications and Accusations - The article accuses the U.S. of being the primary disruptor in cyberspace, engaging in extensive cyber operations against various regions, including China, Southeast Asia, Europe, and South America [9][10]. - The U.S. is portrayed as hypocritical, often accusing others of cyber threats while simultaneously engaging in aggressive cyber espionage and attacks [10].