Recently, phishing methods disguised as business emails have become more sophisticated, and the number of cases of attacks targeting corporate information assets has skyrocketed. Emails with subjects such as "Payment Confirmation Request" or "Password Update Notification" look like they were sent from an authorized party at first glance, so many people are caught off guard and end up clicking on links or entering personal data unsuspectingly. As a result, email information leaks and the resulting financial losses are becoming increasingly serious....