Core Points - The U.S. National Security Agency has been accused of cyberattacks on China's National Time Service Center, with evidence of infiltration and data theft from staff mobile devices since 2022 [1][10] - From August 2023 to June 2024, the U.S. is reported to have deployed 42 specialized cyberattack tools to conduct large-scale attacks on the National Time Service Center, aiming to penetrate high-precision ground timing systems [1][10] Summary by Relevant Sections Cybersecurity Threats - The U.S. has exploited vulnerabilities in a foreign brand's mobile SMS service to gain unauthorized access to the mobile devices of multiple staff members at the National Time Service Center [1][10] - The attacks are characterized as being conducted with national-level intensity, indicating a significant threat to China's timing infrastructure [1][10] Importance of the National Time Service Center - The National Time Service Center is crucial for maintaining the national standard time, which is aligned with Coordinated Universal Time (UTC) [3] - It is located in Xi'an, Shaanxi Province, chosen for its stable geological structure and ability to cover signals nationwide [3][4] Implications of Timing Errors - Even a one-second deviation in time can lead to significant disruptions, such as power outages due to timing errors in power stations [5] - A microsecond error could result in billions in changes in international stock market transactions [6] - Timing inaccuracies can also affect the precision of satellite positioning systems like BeiDou, leading to location errors of up to 30 centimeters [6][7]