Account Abuse <Measures against account abuse>

Account Abuse is a solution to prevent attacks that exploit free accounts.
Unauthorized use of free accounts may be used in attacks such as credit master attacks that use brute force to verify valid card numbers using card number regularities.
There are concerns that the above may cause damage such as a large number of authorizations and server load due to increased access.
Additionally, attacks that occur after account creation (post-login) require protection using the application's business logic. There is also the possibility of information leakage due to flaws in business logic.

By implementing processing that uses Sift determination results, it is possible to determine whether an account is fraudulent when creating or updating an account, minimize the impact on authorized users, and block unauthorized users who abuse free accounts. To do.