| 摘要 |
PROBLEM TO BE SOLVED: To prevent leakage of account-related information within a portable terminal.SOLUTION: A portable terminal 2000 performs protection processing for account-related information if a predetermined time has passed after a user access was detected last. The portable terminal 2000 includes: an access detection unit 2060 which detects that the portable terminal 2000 is accessed by a user; and a period determination unit 2040 that determines whether the predetermined period has passed after the time when the portable terminal 2000 was accessed by the user last. Further, the portable terminal 2000 includes: a storage location acquisition unit 2080 that obtains information on where in a data storage unit 2100 the account-related information is stored; and a protection unit 2020 that, if the period determination unit 2040 determines that the predetermined time has passed after the last user access, performs protection processing for the account-related information on the basis of a storage location of the account-related information which is obtained by the storage location acquisition unit 2080. |
