Prepare a 7-page typed research summary in the current APA format that focuses on risk assessment, vulnerability analysis, and critical infrastructure. The summary must include at least seven sources and include the following topics:

1. the role of the government and the private sector in conducting risk assessments,
2. the best practices used for critical infrastructure identification,
3. the use of GIS data and mapping, and how National Preparedness and Homeland Security directives affect critical infrastructure assessment.