Security is a major issue for casinos and other gambling establishments. millions of dollars change hands at a casino in any one day and patrons must feel safe and that the gaming is honest and secure. This study consists of two parts. The first focuses on the security risks facing casinos including those associated with theft, cheating, cyber threats, underage gambling, and Internet gambling. The second investigates the criteria that should be taken into consideration when choosing an outside security organization for a casino. These include image and reputation, cost effectiveness, communication and level of control, knowledge and experience of security, and culture and employees. Recommendations are made on how overall security can be improved on gambling premises and how successful implementation of outsourced security can be made.