Legal Analysis: At present, Xuexin.com and Wan Fang Data cooperate to authorize Xuexin.com account, so that fresh graduates can get a chance to check papers for free. This duplicate check was not done in Xuexin.com official website, but in Wan Fang Data. Step 1: You need to visit the website of Wan Fang Data. Step 2: Click Xuexin.com to authorize login. Step 3: Log in to Xuexin.com directly. Step 4: After logging in successfully, you can put your own paper in for free duplicate checking. Many graduates will purchase repeated testing services through some internet shopping platforms in advance, but these channels have risks such as mixed testing products, difficult to distinguish between true and false testing reports, and leakage of papers. Pay attention to the safety of personal information. The state adheres to the principle of paying equal attention to network security and information construction, following the principles of active utilization, scientific development, management according to law and ensuring security, promoting the construction and interconnection of network infrastructure, encouraging the innovation and application of network technology, supporting the training of network security personnel, establishing and improving the network security guarantee system and improving the network security protection capability.

Legal basis: Cyber Security Law of the People's Republic of China.

Article 1 This Law is formulated for the purpose of ensuring network security, safeguarding cyberspace sovereignty, national security and social interests, protecting the legitimate rights and interests of citizens, legal persons and other organizations, and promoting the healthy development of economic and social informatization.

Article 2 This Law is applicable to the construction, operation, maintenance and use of networks in People's Republic of China (PRC), as well as the supervision and management of network security.

Article 3 The State adheres to the principle of paying equal attention to network security and informatization development, and follows the principles of active utilization, scientific development, management according to law and ensuring security, promoting the construction and interconnection of network infrastructure, encouraging the innovation and application of network technology, supporting the training of network security personnel, establishing and improving the network security guarantee system and improving the network security protection capability.

Article 4 The state formulates and constantly improves the network security strategy, defines the basic requirements and main objectives for ensuring network security, and puts forward the network security policies, tasks and measures in key areas.

Article 5 The State shall take measures to monitor, defend and respond to cyber security risks and threats from the people of China and at home and abroad, protect important information infrastructure from attacks, intrusions, interference and destruction, punish illegal and criminal activities on the Internet according to law, and maintain security and order in cyberspace.