What can someone do if they know my name and ID number?

I can only use it to tell your fortune. . .

Our personal information is actually easy to find. The APP you registered, the hotel you stayed in, the Internet cafes you visited, and online shopping left your information everywhere, even your address, hobbies, and school units, which may be packaged and sold to e-commerce. This information is basically useless when it falls into the hands of others.