#fraud-detection
Identify and prevent financial fraud with monitoring and controls
Nacha's Phase 2 ACH fraud monitoring rule took effect June 19, 2026, requiring nearly every business that originates ACH payments to run a documented, risk-based fraud monitoring process covering account ownership verification, change monitoring, anomaly detection, and audit trails.
Business email compromise cost U.S. companies over $3 billion in 2025, averaging $137,000 per incident — and 45% of small businesses hit by BEC close within six months. AI-driven continuous auditing now starts around $20–$70/month; here's how anomaly detection, vendor account validation, and free controls like payment-change callbacks cut the risk without an enterprise fraud stack.
The 2026 AFP Payments Fraud Survey found 76% of U.S. organizations faced payment fraud in 2025, with paper checks the top target at 58% — ahead of ACH debits (30%) and wires (25%). Here's a practical small-business defense checklist, from Positive Pay and ACH filters to callback verification and weekly reconciliation.
Generative AI made vendor impersonation cheap: 76% of organizations faced payments fraud in 2025, and AI-generated fakes now drive 70.8% of expense-report fraud. Here are the controls that still work — out-of-band verification, dual authorization, vendor-file hygiene, and auditable books.
A Georgia trailer manufacturer's 2026 Chapter 11 filing traces partly to alleged employee theft discovered in 2024. Businesses under 100 employees suffer a median fraud loss of $141,000 per ACFE data — here are the segregation-of-duties controls that catch theft early, and why an auditable ledger matters.
Ghost employee schemes cost U.S. businesses an estimated $400 billion a year and run a median of 18–30 months before detection. Learn the three common scheme patterns, the red flags already in your payroll data — duplicate bank accounts, unchanged withholding, missing I-9s — and the segregation-of-duties controls that stop them.
The IRS's 2026 Dirty Dozen list flags a payroll-specific phishing wave: fake HR portal emails and direct-deposit change requests that reroute paychecks to scammers. The FBI's IC3 logged 24,768 business email compromise complaints totaling roughly $3.05 billion in 2025, with 86% of losses moving by wire or ACH — the same rails payroll runs on. Here are the three warning signs (urgency, unusual requests, process changes), five process controls that close the email-only loophole, and the first-72-hours response if a paycheck has already been diverted.
AI-generated receipts jumped from 0% to 70.8% of fraud flags between March 2025 and May 2026, per AppZen data covering 1,471 fake receipts across 174 companies — and the average claim dropped to $101 as fraudsters shifted from a few large fakes to many small ones under auto-approval thresholds.
Chase rolled out passkey login and a Trusted Contact Person feature in early 2026 to counter AI voice-cloning fraud, which costs small businesses $30,000 to $400,000 per incident on average.
The FBI's IC3 logged $3.05 billion in business email compromise losses in 2025, and only 25% of small businesses have a whistleblower reporting mechanism versus 85% of large companies — here's how vendor impersonation, payroll diversion, and check fraud unfold, and the controls that stop them before a wire goes out.
How parking lot and garage operators reconcile entry/exit counts, cash drops, and card settlements to catch revenue leakage, plus correct accounting for monthly permits and validations.
Positive Pay is a business bank service that matches every check against your issued-check list and flags mismatches the same day, a control most eligible small business accounts still don't use even though checks remain the most-targeted form of payments fraud.
