QUARANTINE SYSTEM, QUARANTINE METHOD AND QUARANTINE PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a quarantine system, capable of reducing the period of being isolated in a quarantine network, even under the condition of an audit using a latest security policy.;SOLUTION: The audit of the quarantine system is executed separately by: a preceding audit which is executed by a preceding audit controller 26, immediately after the initiation of a quarantine agent 14 and before the acquisition of the latest policy, using an old policy used for the audit in the most recent past and preserved in a security policy storage 21; a preferential audit which is executed by a preferential audit item controller 27 for only the latest policy items different from the old policy, in a state of being connected to the quarantine network after the acquisition of the latest policy, using the latest policy; and a post-stage audit which is executed by the preferential audit item controller 27, in a state of being connected to a job network, in regard to items being common to the latest policy and the old policy, conforming to the audit by the old policy, and not receiving the execution of the preferential audit because the validity period of audit conformity is not expired, using the latest policy.;COPYRIGHT: (C)2011,JPO&INPIT