Carl F. Endorf

Return on Investment (ROI)

Carl F. Endorf, 2011, Encyclopedia of Information Assurance.

Outsourcing Security: The Need, the Risks, the Providers, and the Process

Carl F. Endorf, 2004, Inf. Secur. J. A Glob. Perspect..

Measuring ROI on Security

Carl F. Endorf, 2007, Information Security Management Handbook, 6th ed..