ACCOUNT FALSE USE DETECTING/SUPPRESSING DEVICE, DATA COLLECTING DEVICE, AND ACCOUNT FALSE USE DETECTING/SUPPRESSING PROGRAM

摘要

An account abuse detection or prevention device, a data collection device, and an account abuse detection or prevention program, which are capable of promptly detecting or preventing abuse of an account.;An account abuse detection device (6) includes an access-amount-related value information receiving unit (11) and a detection unit (12). The access-amount-related value information receiving unit (11) receives access-amount-related value information from a management device (3). The management device (3) manages a specific account. The specific account is used when transmitting data from a plurality of data transmission devices (2) to a data collection device (5) via a public network. Access-amount-related value information is related to an access-amount-related value. The access-amount-related value is related to the amount of access by the public network (4) through the account. The detection unit (12) compares the access-amount-related value to a predetermined threshold value to detect abuse of the account.