If the personal information of the house buyer is leaked, citizens can protect their rights in the following three ways: 1. Individuals who suffer from information leakage have the right to immediately ask the network service provider to delete the relevant information or take other necessary measures to stop it. 2. Individuals can also complain and report to the public security department, Internet management department, industry and commerce department, consumer association, industry management department and relevant institutions. 3. Further safeguard their legitimate rights and interests through legal means, such as requiring the infringer to apologize, eliminate the impact, restore the reputation, and compensate for losses. The disclosure of personal information is a violation of citizens' personal privacy, reputation and other rights. According to China's laws, natural persons enjoy the right to privacy. No organization or individual may infringe upon the right of privacy of others by means of spying, intrusion, disclosure, publicity, etc. Privacy refers to the private space, private activities and private information of a natural person who has a peaceful private life and is unwilling to be known by others.
 Legal basis
 Article 1032 [Privacy] of the Civil Code of the People's Republic of China Natural persons enjoy the right of privacy. No organization or individual may infringe upon the right of privacy of others by means of spying, intrusion, disclosure, publicity, etc.
 Privacy refers to the private space, private activities and private information of a natural person who has a peaceful private life and is unwilling to be known by others.