How Real-Time Validation Can Stop Business Email Compromise (BEC)

Business email compromise (BEC)—where an attacker impersonates a trusted vendor, executive, or colleague to trick someone into sending money or sensitive data—is on the rise. According to a 2025 report by Trustpair, 71% of U.S. companies reported an increase in BEC attacks. Larger banks, including J.P. Morgan, have begun recommending real-time validation as a practical countermeasure. This article explains what real-time validation is, why it matters, and how you can start using it today.

What Happened

BEC is not a new threat, but the scale and sophistication have grown. Attackers no longer rely solely on spoofed email addresses; they now use AI-generated messages and, increasingly, deepfake audio or video to impersonate executives. The Trustpair report, cited by Business Wire in January 2026, emphasizes that existing fraud defenses—largely manual or batch checks—are failing to keep pace.

J.P. Morgan has been vocal about shifting toward real-time validation. In a series of articles published in June 2026, the bank described how automated checks on email domains, payment details, and behavioral patterns can block fraudulent requests in seconds. The bank also highlighted the need to fight AI with AI, acknowledging that deepfake fraud will require continuous updates to detection models.

Why It Matters

Traditional verification methods often involve delays: sending a separate email or calling a known number to confirm a payment request. Attackers exploit these gaps. By the time human error or suspicion sets in, the money is already gone.

Real-time validation automates verification at the moment of the request. The system checks the sender’s domain against a known database, cross-references bank account numbers with vendor records, and flags anomalies like an urgent tone or a sudden change in payment instructions. All this happens within seconds, without slowing down legitimate payments.

For small businesses and finance professionals, the stakes are high. A single successful BEC attack can cost tens of thousands of dollars or more. Even when banks recover some funds, the reputational damage and operational disruption linger. Real-time validation doesn’t eliminate all risk, but it raises the bar enough to stop many common attack patterns.

What Readers Can Do

You don’t need a bank’s budget to start using real-time validation. Here are concrete steps:

  1. Enable DMARC, DKIM, and SPF for your email domain. These protocols verify that incoming messages come from an authorized server. They are the first line of defense against domain spoofing.

  2. Use payment authentication tools that integrate with your accounting or ERP software. Many vendors offer plugins or APIs that automatically verify payment requests against your vendor master list. Some also check the request against historical patterns.

  3. Train staff to follow a short verification checklist before approving any payment above a certain threshold. The checklist should include checking the email header for anomalies and using a pre-established phone number (not the one in the email) to confirm changes.

  4. Implement behavioral monitoring if your bank or payment processor offers it. Behavioral monitoring flags unusual transaction patterns, such as a sudden request for overtime payment to a vendor you rarely use.

  5. Stay updated on emerging threats. Deepfake fraud is still rare but growing. Banks like J.P. Morgan are exploring AI-based detection that analyzes voice and video in real time. For now, if you receive a suspicious request via voice or video call, use a second communication channel to verify.

Limitations and Cautions

No tool is perfect. Real-time validation can miss sophisticated attacks that use compromised vendor accounts rather than spoofed emails. Deepfakes may soon bypass voice-based checks. Also, smaller businesses may find the cost of advanced validation tools prohibitive. Start with free or low-cost options like DMARC and manual verification procedures, then scale up as the risk warrants.

Sources

  • Trustpair report (2025) – “AI Fraud Outpaces Human Defenses as 71% of U.S. Companies Report Rise in Attacks” (via Business Wire, January 2026)
  • J.P. Morgan (2026) – “How Real-Time Validation Stops Business Email Compromise” (published June 22, 2026)
  • J.P. Morgan (2026) – “Account Takeover Prevention: Behavioral Monitoring for Payments” (June 22, 2026)
  • J.P. Morgan (2026) – “Fighting AI With AI: Smarter E-Commerce Fraud Prevention” (June 22, 2026)
  • J.P. Morgan (2026) – “How To Defend Against Deepfake Fraud in Payments” (June 22, 2026)