Group 1 - The article highlights two significant incidents of cyberattacks by US intelligence agencies targeting China's defense and military industry, providing security warnings for critical sectors [1] - In the first case, from July 2022 to July 2023, US intelligence exploited a zero-day vulnerability in Microsoft Exchange to attack a major military enterprise in China, controlling its email server for nearly a year and conducting over 40 attacks, resulting in the theft of emails from 11 individuals, including high-level officials [1] - The second case involved cyberattacks from July to November 2024 on a military enterprise in the communication and satellite internet sector, where attackers used vulnerabilities in electronic file systems to control over 300 devices and targeted sensitive data related to military networks [1] Group 2 - The article notes that in 2024, there were over 600 cyberattack incidents against important Chinese entities by foreign state-level APT organizations, with the defense and military sector being the primary target [1] - A Chinese government spokesperson emphasized that the US is the primary cyber threat to China and criticized the US for its hypocritical stance on cybersecurity, asserting that China will take necessary measures to protect its network security [2] - The spokesperson also pointed out that the US conducts these malicious cyber activities using its allies in Europe and around China as a base, advocating for international dialogue and cooperation to address cybersecurity challenges [2]

Core Viewpoint - The article highlights the increasing threat of cyber espionage targeting China's military and high-tech sectors by U.S. intelligence agencies, emphasizing the need for heightened security measures in these critical areas [1]. Group 1: Cyber Attack Cases - In a notable incident from July 2022 to July 2023, U.S. intelligence exploited a zero-day vulnerability in Microsoft Exchange to attack a major military enterprise, gaining control over its domain server and over 50 internal devices, ultimately stealing sensitive emails related to military product designs [2]. - Another attack occurred from July to November 2024, where U.S. intelligence targeted a military communications and satellite internet company, using SQL injection and unauthorized access to implant backdoor programs and steal sensitive data from over 300 devices [3]. Group 2: Statistics and Trends - In 2024 alone, there were over 600 cyber attack incidents against important Chinese entities, with the defense and military sector being the primary target, indicating a systematic approach by state-sponsored hacking groups [4].