Here’s how to make your Instagram account private & safe.
How to make your Instagram account private – mashable.com
With Instagram’s standard personal account settings, anyone in the world can see your Instagram profile and any and all photo or video content that you post to the social service. If you’re sharing photos of your children, or images that reveal your home, or if you’re just a private person, you may wish to protect your profile from snooping eyes.
Link: How to make your Instagram account private
via mashable.com