破案！美国安局入侵我国家授时中心

Core Viewpoint - The article discusses a significant cyber attack orchestrated by the U.S. National Security Agency (NSA) against China's National Time Service Center, highlighting the implications for national security and the integrity of "Beijing Time" [1][4]. Group 1: Cyber Attack Details - The NSA has been conducting a systematic and progressive cyber attack against the National Time Service Center since March 2022, utilizing vulnerabilities in mobile messaging services to gain access to sensitive information [4]. - From April 2023, the NSA repeatedly used stolen login credentials to infiltrate the center's computer systems, probing into the network infrastructure [4]. - Between August 2023 and June 2024, the NSA deployed a new cyber warfare platform with 42 specialized attack tools to launch high-intensity cyber assaults on multiple internal networks of the National Time Service Center [4]. Group 2: Importance of the National Time Service Center - The National Time Service Center, located in Xi'an, Shaanxi Province, is responsible for generating, maintaining, and broadcasting "Beijing Time," providing critical timing services for various sectors including communication, finance, power, transportation, surveying, and national defense [2]. - The center has developed a world-leading autonomous time measurement system and established a major scientific infrastructure for high-precision ground-based timing systems [2]. Group 3: Attack Methodology - The NSA's cyber attacks are characterized by their timing, often occurring during late night to early morning hours in Beijing, and they utilize virtual private servers from various global locations to obscure the source of the attacks [4]. - Techniques employed include forging digital certificates to bypass antivirus software and using strong encryption algorithms to erase traces of the attacks [4].