Account false use detecting/suppressing device, data collecting device, and account false use detecting/suppressing program

摘要

An account false use detecting/suppressing device for early detecting/suppressing false use of an account, a data collecting device, and an account false use detecting/suppressing program are provided. An account false use detecting device (6) comprises a use quantity association value information receiving section (11) and a detecting section (12). The use quantity association value information receiving section (11) receives use quantity association value information from a management device (3). The management device (3) manages predetermined accounts. The predetermined accounts are used when data is transmitted from data transmitters (2) through a public switched telephone network to a data collecting device (5). The use quantity association value information relates to a use quantity association value. The use quantity association value relates to the quantity of use of the public switched telephone network (4) using the account. The detecting section (12) compares the use quantity association value and a predetermined threshold to detect a false use of the account.