China Accuses US of Cyberattacks on National Time Center, Claims Data Theft

China cyberattacks US NSA cyberattacks National Time Service Center cyber espionage China US relations
Hitesh Kumawat
Hitesh Kumawat

UX/UI Designer

 
October 20, 2025 2 min read

TL;DR

China's Ministry of State Security alleges the US NSA conducted cyberattacks on its National Time Service Center from 2022 to 2024. These attacks reportedly aimed to steal sensitive data and compromise critical timing systems essential for communications, finance, and power grids. The accusations surface amid heightened geopolitical tensions and previously denied allegations from both sides regarding cyber espionage.

China Accuses US of Cyberattacks on National Time Center

Accusations and Allegations

China has accused the U.S. National Security Agency (NSA) of conducting cyberattacks on its National Time Service Center. The Ministry of State Security (MSS) alleged that these attacks exploited vulnerabilities to steal sensitive information and target critical timing systems. The Times of India reports that the attacks could disrupt network communications, financial systems, and power supply. China claims the NSA used 42 types of "special cyberattack weapons". Associated Press notes that the Chinese ministry stated they had evidence but did not provide it in their post.

China’s anti-spy agency said US cyberattacks against the national time centre were “long-term, highly covert, and employed state-level cyberespionage tools”. Photo: AP
Image courtesy of South China Morning Post

Details of the Alleged Attacks

The Ministry of State Security stated the attacks occurred between 2022 and 2024. According to the South China Morning Post, the NSA allegedly exploited weaknesses in a foreign mobile phone brand's messaging service to steal login credentials from employees. The Chinese Ministry claims the attacks could have jeopardized power grids, transport, and even space launches. CNA reports Chinese authorities claim to have severed attack chains and upgraded protective measures.

Role of the National Time Service Center

The National Time Service Center is responsible for generating and distributing China’s standard time. It provides timing services to various sectors, including communications, finance, power, transport, and defense. The Associated Press notes that the center is crucial for coordinating clocks across the country, impacting computer servers, train stations, and power grids. According to the South China Morning Post, the center is affiliated with the Chinese Academy of Sciences and based in Xian, Shaanxi province.

Escalating Tensions

The accusations come amid rising tensions between the U.S. and China over trade, technology, and Taiwan. The Times of India highlights that Western governments have accused hackers linked to China of targeting officials, journalists, and corporations. According to CNA, Washington accused China of a cyber breach at the US Treasury Department last year, which Beijing denied. The Associated Press reports that Western governments have alleged Chinese cyber threats.

Hitesh Kumawat
Hitesh Kumawat

UX/UI Designer

 

Design architect creating intuitive interfaces for GrackerAI's portal platform and the high-converting tools that achieve 18% conversion rates. Designs experiences that turn visitors into qualified cybersecurity leads.

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