Business Email Compromise (BEC) vs. Phishing: What’s the Difference?
Understanding the various forms of social engineering attacks and the specific threats they pose is crucial for maintaining the integrity of your IT infrastructure. This requires learning the key differences between Business Email Compromise (BEC) vs phishing.
While often grouped together, business email compromise utilizes different social engineering strategies and therefore requires new safeguards compared to phishing. With a clear understanding of the nuances between business email compromise vs phishing and their evolving tactics, you can strengthen your email threat mitigation strategies and keep your business protected.
Understanding Phishing Attacks
Phishing attacks are the most common social engineering threat. Rather than targeting a technical flaw in an organization’s security strategy or exploiting software vulnerabilities, phishing attacks manipulate users into specific actions that put their device and the wider business network at risk.
Although other channels (e.g., messaging apps, social media) are used, phishing is most commonly associated with email campaigns. Given their prevalence and impact, phishing is generally the primary focus of email security strategies.
Phishing messages typically impersonate trusted entities, deceiving users with legitimate-looking communications. Thinking they are interacting with a known, safe, or legitimate actor, phishing attacks make users inadvertently share sensitive information, open unsafe links, or download malicious files. This offers an entry point for broader attacks through compromising user accounts or delivering malware.
Phishing attacks incorporate a range of different methods and tactics to increase the likelihood of the recipient taking harmful actions. These can include:
- Imitating other trusted users or recreating the branding and design of known companies
- Using messaging that creates a sense of urgency in the recipient, prompting them to act quickly without critically evaluating its authenticity
- Taking a more targeted and researched approach to develop personalized messages for a specific recipient, known as spear phishing.
Understanding Business Email Compromise (BEC)
Business Email Compromise (BEC) is a form of spear phishing that takes a much more targeted approach to social engineering compared to phishing attacks. While BEC also tricks employees into harmful actions, it hijacks or spoofs legitimate email addresses to achieve this.
By compromising a business email account, attackers can impersonate executives, vendors, or partners to manipulate the recipient’s behavior. Often, the goal is to make employees transfer funds, change payment details, or share confidential data.
What makes BEC more dangerous than traditional phishing attacks is that the attacker is messaging from, or imitating, a trusted email address. The recipient starts from a place of greater trust and is more likely to complete the attacker’s desired action.
Additionally, more sophisticated campaigns will mimic the compromised account’s writing style and utilize real-world information from previous correspondence to make BEC detection more challenging. In the current threat landscape, attackers have access to generative AI tools that streamline the creation of higher-quality BEC messages in the style of various users.
Common types of BEC attack include:
- CEO Email Fraud: Attackers spoof or compromise a CEO or other high-ranking executive’s email account and request urgent financial transfers or sensitive information from employees
- Invoice Fraud: Scammers impersonate vendors or suppliers, sending fake invoices or altering bank details on legitimate invoices, so that payments are redirected to attacker-controlled accounts
- Attorney Impersonation: Cybercriminals pose as lawyers or legal representatives, pressuring employees to transfer funds or disclose information under the guise of confidential or urgent matters
- Information Harvesting: BEC attacks may target staff to steal data, which can later be sold or used for future attacks
BEC vs. Phishing: Key Differences
Business email compromise and phishing are both social engineering attacks with similar methods. BEC is even considered a form of phishing. However, there are differences in the way they operate, who they target, and the damage they can cause. Therefore, it is vital to understand how business email compromise vs phishing diverges in order to implement dedicated email threat mitigation strategies and employee awareness training.
Traditional phishing campaigns are broad and automated, mass targeting large groups of users with general messages. The focus is on volume, casting a wide net with less sophisticated attacks in the hope that a percentage of recipients will still fall victim. Phishing often uses fake websites, malicious links, or infected attachments to harvest credentials or install malware.
In contrast, BEC attacks are highly targeted and personalized. Attackers impersonate trusted individuals, often using previously compromised account credentials, to trick recipients into transferring funds or sharing sensitive data. BEC detection is harder because the attacker is using or spoofing a trusted sender. The emails inherently seem more legitimate and contain fewer obvious indicators of compromise.
The risks associated with BEC vs phishing also differ. Phishing attacks typically result in stolen credentials, compromised accounts, malware delivery, or a limited data leak. BEC often results in immediate financial losses, with employees unknowingly transferring large sums to the attacker. The shorter time between successful attacks and financial losses highlights the need for organizations to integrate BEC detection tools and employee awareness into their phishing prevention strategies.
Business Email Compromise vs Phishing Comparison Table
| Phishing Attacks | Business Email Compromise (BEC) | |
| Scope | Broad campaigns that target many users | More focused and targeted attacks |
| Target | Users with access to sensitive information or systems | Compromising email accounts associated with executives, partners, or vendors |
| Tactics | Fake websites, malicious links, and attachments | Impersonation and exploiting the implicit trust between employees and executives |
| Objective | Steal credentials, data theft, and deliver malware | Financial fraud and data theft |
| Indicators of Compromise | Suspicious URLs or email addresses, poor grammar, and urgent messaging | Subtler indicators of compromise, such as unusual payment requests or email address spoofing |
| Complexity | Simpler, automated campaigns using general messages for each recipient | Manual, personalized messages with attackers spending time mimicking the writing style of the compromised account |
| Impact | Compromised accounts and data breaches. Often, the entry point for a subsequent attack | Significant financial Losses and reputational damage |
Prevention and Mitigation Strategies
Business email compromise vs phishing protections both require a layered approach that combines advanced tools, security controls, and well-trained employees. While these threats fall under the umbrella of email fraud and social engineering, their methods differ. Organizations need to adopt strategies that address unique aspects of both BEC and phishing while reinforcing common email security defenses.
Tools and Technologies
Modern phishing prevention tools are essential to blocking malicious messages before they reach inboxes. Email security solutions with machine learning can now analyze content for suspicious language, detect mismatched “reply-to” fields, and flag spoofed domains. Additionally, email authentication protocols such as DMARC, SPF, and DKIM help to identify and reject fraudulent emails. For BEC detection, identity-based defenses play a critical role. You should enforce phishing-resistant Multi-Factor Authentication (MFA) to help prevent the initial credential-based account takeover.
Security Controls and Policies
Developing strong internal policies and implementing security controls, using the tools discussed above, significantly reduces the success of phishing and BEC attacks. Examples include enhanced authorization for high-value payments, changes to vendor details, and configuring email systems to label external emails to spot impersonation attempts.
Organizations should also expire stale credentials and monitor for anomalies in login behavior to limit persistence after compromise. Regular audits and the logging of email activity are vital for providing visibility into unusual or suspicious behavior.
Employee Education and Training
Much of BEC and phishing prevention comes down to employee awareness training and teaching staff to properly treat email correspondence with suspicion. Regular security awareness training should teach employees how to identify indicators of compromise and how to respond. Organizations should encourage employees to verify suspicious requests through trusted channels. Simulated phishing campaigns and real-time reporting mechanisms also empower staff to act as the first and most important line of defense.
Maximize Email Security with Check Point
By combining BEC detection, phishing prevention, and general email threat mitigation practices, organizations can significantly reduce their exposure to these attacks. The key lies in aligning technology, processes, and people to ensure that attackers exploiting trust and urgency have fewer opportunities to succeed.
A simple way to implement the tools and controls discussed above is with the leading email security provider on the market, Check Point. Schedule a demo of the Workspace Security Email & Collaboration solution from Check Point and learn how it deploys internally to monitor user behavior and identify instances of both phishing and BEC.
