For each of the following assets, assign a low, moderate, or high impact level for the loss of confidentiality, availability, and integrity, respectively. Justify your answers.

i. An organization managing public information on its Web server.

ii. A law enforcement organization managing extremely sensitive investigative information.

iii. A financial organization managing routine administrative information (not privacy-related information).

iv. An information system used for large acquisitions in a contracting organization contains both sensitive, pre-solicitation phase contract information and routine administrative information. Assess the impact for the two data sets separately and the information system as a whole.

v. A power plant contains a SCADA (supervisory control and data acquisition) system controlling the distribution of electric power for a large military installation. The SCADA system contains both real-time sensor data and routine administrative information. Assess the impact for the two data sets separately and the information system as a whole.

b. Develop an attack tree for gaining access to the contents of a physical safe.