Discussion of the lessons learned Information security refers to the technical and management security protection adopted for the data processing system to protect computer hardware, software, and data from being damaged, altered, or exposed due to accidental or malicious reasons Software life cycle, is a term used in system engineering, information system and software engineering to describe an information system from planning, creation, testing to final deployment. Intellectual property rights generally refer to a group of intangible independent property rights, including trademark rights, patent rights, copyrights, design rights, plant variety protection rights, and integrated circuit layout design rights. Highlighted takeaways The original purpose of cyber hackers was to gather intelligence from the United States, but in the trade war the South China Sea was expanding in the South China Sea to disguise data and the CCP's cyber attacks were already destroying data. They stole US data and destroyed the data after the theft. The U.S. economy, national defense, and public security pose great threats