Web Portal
Make sure you are logged into the Web Portal
Navigate to the security page, or find it manually by clicking on your name in the top left corner of the screen > Account Settings > Security
Under the 'Change PIN' section, provide your password
Enter your new 4-digit PIN
Click 'Save'
Mobile App
Open the Safepoint app
Ensure that you are logged into an account
Tap the 'Account' button at the bottom right
Tap 'Security'
Tap 'Change PIN'
Enter your Safepoint password in the top text box
Enter your new 4-digit PIN
Tap 'Save'