Many companies outsource their payroll operations, each having its own business reasons for doing so. Smaller companies tend to process payroll in-house. In this high-tech, global business environment with information being shared quite freely, is it a good idea for companies to process their payroll by internal personnel? How can the employees of that company be ensured that their personal information is not being shared with others in the company? What legal ramifications does the company face if immigration or protected class information is shared with others?