Jim,
You are correct about setting up Process Security. Tools>>Setup>>Manufacturing>>System Preferences>>Process Security
Give a meaningful name, choose a method, password or user list and save.
To stop folks from Mass Changing BOMs:
Tools>>Setup>>Manufacturing>>System Preferences>>Bill of Materials
At the bottom of the screen, apply your security set on the field "BOM Update Security Set"
To stop folks from the Revaluation Process:
Tools>>Setup>>Manufacturing>>System Preferences>>Costing
At the bottom of the screen, apply your security set on the field "Revaluation Security Set"
To restrict access to job costing processes:
Tools>>Setup>>Manufacturing>>System Preferences>>Job Costing
Middle of the screen, apply your security set on the field "Job Security Set"
To restrict access to Manufacturing Quantity Overrides:
Tools>>Setup>>Manufacturing>>System Preferences>>MO Schedule Prefs
Bottom of the screen, apply your security set on the field "Manufacturing QTY Overides"
To restrict access to Outsourcing MO/PO Links:
Tools>>Setup>>Manufacturing>>System Preferences>>Manufacturing Orders
Middle of the screen, apply your security set on the field "Manage MO/PO Links Process Security"
To restrict access to Manage Manufacturing Shipping:
Tools>>Setup>>Manufacturing>>System Preferences>>Manufacturing Orders
Middle of the screen, apply your security set on the field "Manage Manufacturing Shipping Process Security"
To restrict access to Net Change from PAB Inquiry:
Tools>>Setup>>Manufacturing>>System Preferences>>MRP
Bottom of the screen, apply your security set on the field "Allow Net Change Security Set"
Tim