This document discusses internal controls from a non-IT perspective to secure businesses and prevent fraud. It covers performing background checks on employees and clients to check references and look for red flags. It also discusses controls for payroll like verifying employee hours, approving overtime, and separating payroll duties. The document also recommends vetting clients by checking they are legitimate businesses and screening prospects. It provides examples of payroll fraud like ghost employees, false wage claims, and expense fraud that businesses should implement controls to prevent.