Stop Business Email Compromise: How Real-Time Validation Protects Your Payments

Last year, business email compromise (BEC) scams cost U.S. organizations $2.9 billion, according to the FBI’s Internet Crime Complaint Center. These attacks are not sophisticated hacks. They rely on social engineering: a fake invoice, a spoofed vendor email, and a sense of urgency. Many small businesses do not have the security teams of large corporations, so they are frequent targets.

Traditional defenses—spam filters, employee training, manual verification—can reduce risk but often fail when an attacker mimics a trusted partner convincingly. A newer approach, real-time validation, checks each payment request against verified data within seconds, catching fraudulent instructions before money leaves your account.

How BEC attacks work

A typical BEC attack begins with the attacker researching a company’s vendors or executives. They might send an email that appears to come from the CEO, asking for an urgent wire transfer. Or they pose as a supplier, saying their bank details have changed and asking you to update payment records. The message looks legitimate, often using a spoofed domain or a compromised email account.

Because the request aligns with normal operations—paying an invoice—and comes from an expected source, employees often comply without calling the supposed sender to confirm. That single click can drain thousands of dollars.

What is real-time validation?

Real-time validation is a technical check that compares payment details—beneficiary name, bank account number, routing number—against a pre-approved database of trusted vendors, employees, and partners. The process takes seconds. If the details match, the payment proceeds. If they do not, the transaction is flagged or blocked, and a human reviewer is alerted.

Banks such as J.P. Morgan offer this capability as part of their commercial payment platforms. Third-party services like Trustpair also provide similar functions. The key is that the validation happens at the moment the payment instruction is entered, not after the money has been sent.

Why it matters now

BEC fraud has been a problem for years, but the rise of AI-generated deepfakes and automated phishing tools makes attacks harder to spot with the naked eye. A recent Trustpair report found that 71% of U.S. companies reported an increase in AI-powered fraud attacks. Real-time validation does not rely on an employee’s ability to spot a suspicious email. It uses data that cannot be easily faked—financial institution records and previously stored vendor information.

This technology does not replace common-sense checks. But it adds a layer of protection that works even when human error occurs.

Setting up real-time validation in your business

Implementing real-time validation does not require a complete overhaul of your accounting process. Here is a practical path:

  1. Identify your highest-risk payments. Wire transfers, vendor payment changes, and large invoices are the most commonly targeted. Focus on those first.
  2. Ask your bank what they offer. Many commercial banks include real-time validation in their treasury services. If your current bank does not, ask if they plan to add it, or consider switching a portion of your payments to a provider that does.
  3. Use a third-party service if needed. Companies like Trustpair integrate with existing accounting software and check payments against trusted vendor directories. Pricing varies, but for a small business, the cost is often much lower than the damage from a single successful attack.
  4. Train staff on the new process. Make it clear that validation is not optional. Employees should know that any payment request that does not match the database will be held, no exceptions.
  5. Test the system. Try submitting a few test transactions with altered details to confirm the system flags them. This also reassures staff that the process works.

Additional layers of protection

Real-time validation is powerful, but it works best as part of a defense-in-depth strategy. Combine it with:

  • Dual approval for payments above a certain threshold. Two people must review and approve before the transaction is submitted.
  • Out-of-band confirmation for payment changes. If a vendor sends a new bank account number, require a phone call to a known number (not the one in the email) before updating the record.
  • Regular employee training. Simulate a BEC attack to test how your team responds. Correct mistakes without blame, and reinforce the importance of verification.
  • Multi-factor authentication on email accounts. A compromised executive account is often the starting point for BEC scams.

No single measure will eliminate risk. But adding real-time validation to your payment workflow closes a common gap that fraudsters exploit. It gives you a systematic check that does not depend on someone’s judgment in the moment.

If you handle payments for your business, ask your bank or financial software provider whether this capability is available. The cost is modest compared to the potential loss.

Sources: FBI IC3 2023 Internet Crime Report; Trustpair “AI Fraud Outpaces Human Defenses” report, January 2026; J.P. Morgan, “How Real-Time Validation Stops Business Email Compromise,” June 2026.