FIELD: security means.
SUBSTANCE: invention relates to improving recharging security. Method comprises: receiving a request for recharging a first number sent by a first terminal; acquiring information about first number, and judging whether or not the first number is a trusted number; recharging for the first number if the first number is judged to be a trusted number, and reminding the first terminal that the first number is not a trusted number if it is judged that the first number is not a trusted number, where the first number is not the number corresponding to the first terminal; judging whether or not the first number is a trusted number comprises: acquiring recharge history of the first number; judging whether recharging for the first number was performed by plurality of different users and whether the number of times of recharging exceeds a predetermined number within a predetermined time range; judging that the first number is not a trusted number if the result is "Yes", and judging that the first number is a trusted number if the result is "No".
EFFECT: technical result is improved recharge security by avoiding erroneous recharging.
9 cl, 9 dwg
