1. Control what you post on the web so that it doesn't get included in the database;
2. Clean up your social network accounts regularly and limit the information that you post;
3. Refuse all personal information collection practices and pay attention to your online behavior;
4. Use an anonymous network or VPN to hide your IP address;
5. Use encrypted search engines to search for the information you want;
6. Change your network environment often to avoid dynamic IP addresses from being discovered.