Learn in the textbookClassifying Threats — Human Wrongdoing and Accidents
DefinitionBusiness email fraud (ビジネスメール詐欺) is the Japanese name for BEC and refers to the same scam.
ExplanationTo avoid losses, when you receive a request such as a change of payee account, confirm with the requester using contact details not given in the email, such as a phone number you already knew. A system in which several people inside the company approve each payment is also a safeguard.
Memory hookA scam using business (trade) email: the name itself describes the method.