SECURITY MANAGEMENT DEVICE, CENTRAL SECURITY MANAGEMENT DEVICE, SECURITY MANAGEMENT METHOD AND SECURITY MANAGEMENT PROGRAM

摘要

A security management device (201) includes a second communication unit (411) that receives, from the outside, dependency information (412) indicating the dependency relationship between information assets held separately by a first system and a second system. A selection unit (415) of the security management device (201) selects, from among candidate security countermeasures to a threat to information assets held by the first system, a security countermeasure to be implemented, in accordance with the dependency relationship indicated by the dependency information (412) received by the second communication unit (411).