Global and project-level secure fields configuration
System admins can create secure custom fields and configure security permissions.
To give project admins the flexibility to manage their own issue security requirements, system admins can also enable project-level settings.
System admin guide
From the top navigation bar, open Apps > Secure Custom Fields, then click on Configure secure custom fields
You can enable project-level configuration option for each secure field.
Project admin guide
From the Project settings, open Apps > Secure Custom Fields
If the custom field has the appropriate context applied (global or project-specific), you’ll see it from the secure field list here.
However, you can only configure permission settings if the system admin has enabled the option for it