In the case of business email compromise or email fraud, an adversary may utilize [Impersonation](https://attack.mitre.org/techniques/T1656) of a trusted entity.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: In the case of business email compromise or email fraud, an adversary may utilize [Impersonation](https://attack.mitre.org/techniques/T1656) of a trusted entity. ### Response: T1657.