Open Snapchat
Tap your profile icon
Tap the gear icon to open Settings
Scroll to Privacy Controls
Tap Contact Me
Select My Friends
Tap View My Story
Select My Friends or Custom
Tap See My Location
Enable Ghost Mode
Tap Who Can Use My Cameos Selfie
Select My Friends or Only Me if available
Tap Who Can See Me in Quick Add
Turn off Show Me in Quick Add
Tap Memories
Set saving and sharing options to your preference
Review and remove any unwanted friends
Turn off notifications for unknown contacts if needed
Avoid posting to Public Stories
Use a private username and limit profile visibility
Check privacy settings regularly