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Be cautious of the card number brute-force "Credit Master Attack" and check your usage history with Kyash.

Be cautious of the card number brute-force "Credit Master Attack" and check your usage history with Kyash.

On June 4, the provider of the service "Kyash," which allows Visa prepaid card payments through a smartphone app, announced that it had confirmed damage caused by the "Credit Master Attack," which attempts to make unauthorized payments by mechanically guessing credit card numbers.

Published
Level
N2
スマートフォンアプリを通つうじてVisaプリペイドカード決済けっさいができるサービス「Kyash」提供元ていきょうもとは6月がつ4日か、クレジットカード番号ばんごうなどを機械的きかいてきに推測すいそくして不正ふせいな決済けっさいを試こころみる「クレジットマスター攻撃こうげき」による被害ひがいを確認かくにんしたと発表はっぴょうした。

On June 4, the provider of the service "Kyash," which allows Visa prepaid card payments through a smartphone app, announced that it had confirmed damage caused by the "Credit Master Attack," which attempts to make unauthorized payments by mechanically guessing credit card numbers.

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