What legal responsibility does it violate to check the other party's home address by SMS?

If the purpose of investigating identity and address is to find, it does not constitute an invasion of privacy; If it is for the purpose of pursuing other people's lifestyles or understanding the laws of their daily lives, and for the purpose of business, it may constitute an infringement of privacy;

How to prevent personal information from being leaked?

(1) Watch out for phishing websites when shopping online. When buying goods through the internet, you should carefully check the login website, do not easily receive and install unknown software, carefully fill in the bank account number and password, and beware of phishing websites to prevent personal information from leaking and causing economic losses.

Reminder: When logging into a shopping website, you should verify whether the domain name of the website is correct, and carefully click on the payment link sent by the merchant from the instant messaging tool to prevent it from being a phishing website.

(2) Properly handle documents containing personal information, such as express orders, tickets and shopping receipts. The courier has the name, phone number and address of the online shopper, and the ticket and plane ticket are printed with the name and ID number of the ticket purchaser. The shopping receipt also has some information such as name, bank card number and consumption record. Inadvertently throwing it away may fall into the hands of criminals, leading to the disclosure of personal information.

Reminder: Waste materials containing personal information must be properly disposed of.

(three) a copy of the ID card should indicate the purpose. Banks, mobile or Unicom business halls, various exam registrations, online school classes and many other places need to keep a copy of your ID card, and even some typing shops and copy shops will use it to archive customer information temporarily stored in the copier hardware.

Legal basis: Article 1032 of the Civil Code of People's Republic of China (PRC).

(Privacy) Natural persons have the right to privacy. No organization or individual may infringe upon the privacy rights of others by spying, harassing, exposing or making public.

Privacy is the private space, private activities and private information that natural people live in peace and don't want to be known by others.