On July 19, 2024, a certain network security software supplier's antivirus software globally experienced program defects, leading to a large number of Microsoft Windows operating systems worldwide malfunctioning. The Macao Cybersecurity Incident Early Warning and Emergency Response Center closely monitored changes in Macao's network environment. Based on the data collected so far, the impact of this global cybersecurity incident on Macao is relatively limited and controllable. The Cybersecurity Center will continue to monitor the development of this global cybersecurity event and enhance communication and coordination with relevant departments and institutions to ensure timely and effective response to any potential network risks. At the same time, it also calls on all enterprises and citizens in Macao to raise awareness of cybersecurity and jointly maintain the health and safety of Macao's network environment