Patent ID: 8193904

Claim:
A computer-readable non-transitory storage medium having stored therein an entry and exit control program for determining, when a single user enters or leaves an area to which a security level is assigned, whether the user is allowed to enter or leave the area by performing authentication, the entry and exit control program causing a computer to execute a process comprising: first performing, when the user associated with a security level moves from a first to which a first security level is assigned to a second area to which a second security level is assigned, an advanced authentication of identification information of the user, the second security level being higher than the first security level; changing, when the user is present in the second area and the second security level is higher than the security level of the user, a security level of the second area to the security level of the user; and second performing including performing the advanced authentication when the user moves from the second area to an area to which a security level higher than the changed security level of the second area is assigned, and performing a simplified authentication when the user moves from the second area to an area to which a security level identical to or lower than the changed security level of the second area is assigned.