: Ensure folders are shared only with "Restricted" access, meaning only people you explicitly invite via email can see them.
Go to drive.google.com right now. In the search bar, type type:image and review every photo that appears. Change any public link to restricted. Your privacy is worth five minutes of your time. Site Drive.google.com Fotos Privadas
If you have previously shared photos and want to make them private again: Google Drive : Right-click a file/folder > > remove any users or change the General access to Restricted Google Photos : Go to the : Ensure folders are shared only with "Restricted"