You can choose from the following 3 Post Privacy options for posts on SIKU.
SIKU Users
Other users on SIKU can see your posts but you still own your data and they cannot use it for any purpose without permission. Learn more about data ownership on SIKU.
Project Members Only
Members of tagged projects can see your post in addition to other users tagged in your post and admins of tagged organizations.
Private
Nobody except tagged users and admins of tagged projects and organization can see you post. Remove all tags to ensure that no-one can see your post.