The Callback Has Entered a New Risk Environment For years, the callback was one of the most practical defenses against business email compromise. When a payment request looked unusual, finance called the executive. When a supplier requested new banking details, accounts payable called the vendor. When a password reset appeared sensitive, the help desk called the employee. That advice remains useful. It is no longer sufficient as a complete control. Voice cloning changes what a callback can prove. A caller may sound familiar, know the transaction context, understand the organization’s hierarchy, and create convincing urgency. The initiating email may come from a compromise…

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