Breaking down BEC: Why Business Email Compromise is More Popular Than Ever

Business Email Compromise (BEC) is a targeted email fraud where attackers impersonate or take over legitimate business email accounts to trick employees into transferring funds or disclosing sensitive data; this report summarizes BEC attack phases, catalogs six common BEC types with real-world multi-million-dollar examples, and recommends mitigations such as phishing-resistant MFA, IAM best practices, security awareness training, and integrated email monitoring.