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NPS NRP Executive Summary Total Ownership with Lifecycle Cost Model Under Uncertainty N9 - Warfare Systems This research is supported by funding from the Naval Postgraduate School, Naval Research Program (PE 0605853N/2098). https://nps.edu/nrp Chief of Naval Operations (CNO) Approved for public release. Distribution is unlimited.

The Department of Defense and the United States Marine Corps are under increased pressure to reduce costs and expenditures in response to the austere financial environment. Marine Corps information technology (IT) programs are in jeopardy due to budget shortfalls, which may result in reduced military capability. The purpose of this study is to test the theory of vicious business cycles, which relates cost reduction to return on investment for the Joint Battle Command Platform. The Joint Battle Command Platform is an Acquisition Category II program of record designed to meet joint requirements for a common C2/SA system between the Army and Marine Corps. In an attempt to achieve cost savings, the JBC-P has undergone several cost reduction initiatives. Using several value metrics to measure the impact of cost reductions on the capability provided by the program, this study determines that cost reductions do reduce the value of the military capability provided by the program. These reductions could be an indication of a vicious cycle. Identifying the occurrence of vicious business cycles in IT programs will allow decision makers to more effectively cut costs without reducing military capability. http://archive.org/details/unitedstatesmari1094537718 Captain, United States Marine Corps Approved for public release; distribution is unlimited.

Sophisticated cyber threats represent a significant adversary in the evolving world of the cyber domain. Furthermore, determining whether or not an attack has taken place and the extent of the damage caused requires significant resources. In order to guarantee reliable detection, prevention and mitigation of these advanced threats, the Department of Defense (DoD) must invest in advanced information security technologies that increase the defensive capabilities of its information networks. This thesis focuses on Security Information and Event Management (SIEM) systems as an enabling technology that possesses the advanced security capabilities required to address sophisticated, evolving cyber threats. The research explores the capabilities of this technology in terms of the speed of detection, depth of investigative power, and additional value provided. Additionally, this research attempts to quantify the return on investment that a SIEM solution could provide when deployed in a notional DoD network architecture. Ultimately, the research provided in this thesis endeavors to justify DoD investment in SIEM technology. The focus of this research revolves around a qualitative description of the inherent capabilities of SIEM products and utilizes several Return on Security Investment models in an attempt to quantitatively define the value of these capabilities in a DoD network. http://archive.org/details/examiningreturno1094534757 Lieutenant, United States Navy Approved for public release; distribution is unlimited.