Your CFO or accounts payable clerk receives a legitimate-looking email supposedly from the company’s president authorizing a wire transfer to a vendor or business partner. In reliance on that email, the company’s bank is directed to wire funds to that account. It is later revealed that the president was impersonated by an email scammer and the company’s money was wired to the scammer’s offshore bank account.

This practice, known as “spoofing", is widespread and is growing. According to data security firm Proofpoint, it is estimated that 3.1 billion domain spoofing ...