Hosted security providers offer a wealth of similar services and qualifications; an accurate comparison is essential for midmarket organizations to determine total cost of ownership (TCO) and understand associated risks and rewards. Use this buyer's guide to understand the benefits of hosted security services, and to arm yourself with questions that drive the provider selection process. These questions fall into three areas: security considerations, evaluation criteria and technical capabilities. Important security considerations include accuracy plus technical depth and research, where vital evaluation criteria include service level details, track record and client retention. With the right data, you should be able to make a compelling argument for a switch to hosted security services.