Cybersecurity 101back-iconWhat is Business Email Compromise (BEC)?

What is Business Email Compromise (BEC)?

Business Email Compromise (BEC) is a type of cybercrime in which attackers use email deception, impersonation, or compromised accounts to trick employees into transferring money, sharing sensitive information, or performing unauthorized actions. Unlike many phishing attacks that use malicious links, fake login pages, or attachments, BEC attacks primarily exploit trust, social engineering, and business processes.

BEC is one of the most financially damaging forms of cyber fraud because attackers often impersonate executives, vendors, partners, or trusted employees to make fraudulent requests appear legitimate.

How does a business email compromise attack work?

A BEC attack typically begins with reconnaissance. Threat actors gather information about an organization’s leadership, employees, vendors, payment workflows, and communication patterns.

Once enough information is collected, attackers may:

  • Impersonate executives or finance personnel
  • Compromise legitimate email accounts
  • Spoof trusted domains or email addresses
  • Request fraudulent wire transfers
  • Redirect vendor payments
  • Steal sensitive business information

Because the emails often appear authentic and contextually relevant, BEC attacks can be difficult to identify without verification procedures and security controls.

Common types of BEC attacks

Business email compromise attacks can take several forms depending on the attacker’s objective.

Attack Type  Objective 
CEO Fraud  Impersonate executives to request urgent payments 
Vendor Email Compromise  Redirect legitimate invoices or payments 
Payroll Diversion  Change employee payroll information 
Data Theft  Obtain confidential financial or business information 
Account Takeover  Use compromised accounts to conduct fraud 

Understanding these attack patterns helps organizations improve detection and response efforts.

Business email compromise vs phishing

Although BEC is often categorized as a phishing-related threat, it differs from traditional phishing attacks.

Business Email Compromise  Traditional Phishing 
Highly targeted and personalized  Often broad and mass-distributed 
Focuses on financial fraud or business actions  Frequently seeks credentials or malware delivery 
Relies heavily on social engineering  Often uses malicious links or attachments 
Targets specific employees or departments  Targets large groups of users 

BEC attacks frequently succeed because they exploit human trust rather than technical vulnerabilities.

How Hexnode helps reduce BEC-related risk

Many BEC attacks target employees using corporate email accounts and trusted business communication channels. Securing endpoints and enforcing access controls can help organizations reduce the risk associated with compromised accounts and unauthorized device access.

Hexnode UEM helps IT teams secure managed devices through policy enforcement, compliance monitoring, application management, device restrictions, and conditional access integrations based on device compliance. By helping organizations maintain compliant, policy-managed endpoints, Hexnode supports broader efforts to reduce endpoint-related risks associated with BEC campaigns.

Best practices for preventing business email compromise

Organizations can reduce BEC risk through a combination of security controls, employee awareness, and process verification.

  • Enable multi-factor authentication (MFA) for email accounts
  • Verify payment requests through secondary communication channels
  • Implement email authentication standards such as SPF, DKIM, and DMARC
  • Train employees to recognize impersonation attempts
  • Restrict access using least-privilege principles
  • Monitor unusual account activity and login behavior

Because BEC attacks rely on trust and urgency, verification procedures are often as important as technical controls.

FAQs

No. Email encryption protects message confidentiality but does not stop impersonation or social engineering attacks.