VIRTUAL COMPUTER SYSTEM, USER AUTHENTICATION METHOD IN VIRTUAL COMPUTER SYSTEM, PROGRAM, AND INTEGRATED CIRCUIT

摘要

PROBLEM TO BE SOLVED: To provide a virtual computer system in which a firm security countermeasure is performed by operating a plurality of virtual computers in parallel, and access to each of the plurality of computers is facilitated.SOLUTION: A virtual computer system includes a hypervisor, and a first virtual computer and a second virtual computer which operate in parallel on the hypervisor. The hypervisor includes a user authentication management part for receiving an authentication request to the first virtual computer or the second virtual computer from the first virtual computer so as to permit access to the first virtual computer or the second virtual computer in accordance with an authentication result.