You can restrict viewing or editing of a page if the link is visible to you. 

• Identify the users to which you want to restrict viewing and editing.
• Verify that those users are in an LDAP group that can view the wiki space. If you are not able to find the appropriate LDAP group, contact NCIAppSupport@nih.gov .
• Navigate to the page for which you want to set restrictions.

• Apply restrictions as described in the following Atlassian help page: 

  https://confluence.atlassian.com/conf613/page-restrictions-964960419.html