A payment update from a familiar vendor. A request inside an existing conversation. An authenticated message from a compromised account. Business email compromise succeeds because it can look exactly like ordinary business, with no malicious link or attachment to flag. In 2025, the FBI recorded more than $3 billion in reported BEC losses.
The threat now extends well beyond CEO impersonation. Vendor fraud accounts for 61% of BEC attacks, while compromised accounts give attackers access to real conversations and established trust. Generative AI accelerates these tactics, making convincing, personalized messages easier to produce at scale.
The Essential Guide to Business Email Compromise traces how these tactics evolved and explains why traditional inspection struggles to detect them. It outlines the identity, relationship, and behavioral signals effective defenses need, with real attack examples and a practical checklist for evaluating your protection.
Download The Essential Guide to Business Email Compromise to learn:
- How executive impersonation, vendor fraud, compromised accounts, and AI combine in modern BEC attacks
- Why fraudulent requests can pass authentication and traditional security checks
- How behavioral AI identifies suspicious activity within trusted business communications
- What to ask when evaluating your organization's BEC defenses
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