security settings

Hi, support
This template seems not use advanced security settings.
I want this function, Users can see other users data; can edit, their own data only;
What can I do?
Thank you <img src='https://asprunner.com/forums/file.php?topicimage=1&fieldname=question&id=8747&image=1&table=forumtopics' class='bbc_emoticon' alt=':rolleyes:' />