US President Trump signed the National Security Network Strategy in September last year. This is the first time the US has updated the National Cyber Security Strategy in 15 years. The new cyber strategy strengthens the capabilities of the Department of Defense, the National Security Agency, and branches of military agencies to conduct offensive operations in cyberspace. At the same time, these agencies can be more proactive in tracking the source of overseas attacks. Future trends First of all, we can see that the epidemic is driving digital transformation in all walks of life, extending changes in the three dimensions of globalization, cloudification, and personalization. The booming housing economy in 2020 will drive a surge in demand for streaming audio and video Netix, video conferencing software Zoom, and e-commerce Amazon platforms. This has not only promoted the development of technology and e-commerce platforms, the polarization of the "bigger Evergrande" has also accelerated. In the footsteps of "globalization". Secondly, the social distancing policy implemented to stop the spread of the virus has caused the global ow of people to stagnate. Medical care, education, fitness, and catering have all been "cloudified", especially in European and American countries where the epidemic is more severe, driving telemedicine and teleeducation. According to the latest survey by eMarketer, a city research agency, the number of people using telemedicine services in the U.S. reached 41.7 million in 2020, a 98.8% increase compared to 2019. It is expected to increase to 64 million in 2023. Insurance and technology companies build platforms to make the medical experience more seamless. Finally, under the rapid development of artificial intelligence and analysis, business, and medical services are all developing "personalized" services, providing customized experiences through