User / Team Security allows you to specify what rights users and groups have regarding records within this record type. Specify the Users and Teams that have each level of access in the proper spaces. Make sure to take the Base Security setting into consideration. 

No Access

Users/Teams will not even see these records

Read Only Access

Users/Teams will see and view information but will not be able to change it

Read/Write Access

Users/Teams will be able to view and edit information