Security information management device collects security information which is information related to security, and compares the keyword included in the extracted keyword and collected security information to calculate the relevance between the original security information and security information.
Security information management device (10), collects security information which is information related to security. Then, security information management apparatus (10) refers to the security dictionary that stores keywords related to security for each attribute, a keyword is extracted from the reference source security information from which to compare the relationship between the security information, the It compares the keyword included in the extracted keyword and collected security information, see calculates the relevance between the original security information and security information. Then, security information management device (10), the calculated degree of relevance is output as the priority higher security information.