Payroll fraud doesn't announce itself when it emerges.

It can show up as a slightly inflated time sheet, a suspicious change in a bank account right before payday, or an employee who technically still exists on payroll long after they've stopped showing up for work.

Small businesses aren't immune. In some ways, they can be particularly vulnerable because fewer people often means fewer checkpoints between someone entering payroll information and someone else verifying it.

That's not a reason to panic; it's a reason to know what to look for.

This article will unmask payroll fraud, show you the warning signs worth watching for, demonstrate how to reduce opportunities for it, and define what to do if you suspect something isn't right.

What Is Payroll Fraud?

Payroll fraud is the intentional manipulation of the payroll process for financial gain.

It can involve an employee inflating their hours, someone impersonating an employee to redirect a paycheck, a person with payroll access making an unauthorized pay change, or an employer withholding payroll taxes and intentionally failing to remit them to the appropriate agency.

The common thread is intent.

An incorrectly entered time sheet is a mistake. A time sheet padded on purpose is fraud.

That distinction matters because plenty of payroll discrepancies turn out to be honest errors. An unusual payroll entry is a reason to investigate, not automatically a reason to accuse someone of fraud.

Common Types of Payroll Fraud

Payroll fraud can take several forms, and not all of them originate with employees.

Time Theft and Buddy Punching

An employee reports hours they didn't actually work or asks a coworker to clock in or out on their behalf.

Ghost Employees

A fake or former employee remains active in payroll, and payments intended for that person are redirected to someone else.

Unauthorized Pay Rate Changes

Someone with sufficient system access changes their own pay rate or another employee's compensation without proper authorization.

Direct Deposit Diversion

Someone impersonates an employee and requests changes to their direct deposit information. If the request isn't properly verified, the employee's paycheck can be sent to an account controlled by the fraudster.

Expense and Reimbursement Fraud

An employee submits inflated, duplicated, or fabricated expenses for reimbursement.

Intentional Worker Misclassification

A business intentionally classifies someone as an independent contractor when they should be treated as an employee in an effort to avoid payroll taxes or other obligations. An honest classification mistake isn't necessarily fraud. Intent is what separates the two.

Payroll Tax Fraud

An employer withholds payroll taxes from employee paychecks but intentionally fails to remit those funds to the appropriate government agency.

Payroll fraud can therefore occur at several points in the process, from the hours being entered into payroll to the money and taxes leaving payroll.

Payroll Fraud Warning Signs Worth Watching

Fraud isn't always obvious. Often, it's a pattern of small irregularities that eventually adds up to something worth investigating.

Warning signs can include:

• A bank account or address change request that arrives immediately before payroll, particularly when it comes through an unusual channel
• Employee hours that consistently look unusual or go unquestioned
• Multiple employees sharing unexpected banking or personal information
• Overtime that's regularly approved without much scrutiny
• Frequent off-cycle payroll runs without a clear or documented reason
• Payroll totals that don't reconcile with approved employee hours or expected headcount

Regular payroll reconciliation can be especially useful here. Comparing payroll reports with approved hours and expected payroll activity gives you another opportunity to catch something that doesn't look right before it becomes a pattern.

None of these warning signs proves fraud is occurring. They're reasons to look closer, not reasons to accuse.

How to Help Prevent Payroll Fraud

You can't eliminate every possibility of fraud, but you can make it considerably harder by removing some of the opportunities it relies on.

Separate Payroll Responsibilities

Whenever possible, avoid giving one person complete control over every part of payroll.

For example, the person approving employee timecards doesn't necessarily need to be the same person responsible for every other payroll-related change.

For a very small business, completely separating payroll duties may not be practical. Even adding a second review for sensitive changes or payroll approval can create another checkpoint.

Be Suspicious of Bank Changes Outside Your Normal Process

Direct deposit diversion can begin with an email or message impersonating an employee.

If someone asks you to manually change their banking information outside your normal payroll workflow, don't rely solely on that message to verify the request. Confirm it directly with the employee using the contact information you already have.

Whenever possible, have employees manage their own payment information through their authenticated payroll account rather than sending sensitive banking details through email.

Use Time Tracking that Minimizes Buddy Punching

Mobile time tracking with tools such as GPS and geofencing can help businesses verify where employees clock in and make it harder for someone to clock in from somewhere they aren't supposed to be.

No time tracking system eliminates time theft entirely, but having more information available makes suspicious activity easier to identify.

Limit Administrative Access

Not everyone who touches payroll needs access to every payroll function.

Limit sensitive administrative permissions to the people who genuinely need them. The fewer people who can make significant changes to payroll information, the fewer opportunities there are for unauthorized changes.

Let Employees Manage Their Own Information Through Secure Accounts

Employee self-service reduces the number of people who need to handle an employee's personal, tax, and payment information.

Instead of passing sensitive information through multiple people before it reaches payroll, employees can manage their own information through their individual accounts.

Reconcile Payroll Regularly

Compare payroll reports against approved employee hours, expected headcount, and bank activity.

A discrepancy doesn't automatically mean fraud, but regular reconciliation makes it much easier to notice when something doesn't add up.

How OnTheClock Helps Reduce Opportunities for Payroll Fraud

OnTheClock isn't a dedicated fraud-detection platform, and software can't replace good internal controls.

But the way your payroll process is structured can either create unnecessary opportunities for fraud or help close some of them.

OnTheClock helps businesses reduce manual touchpoints and gives employers more visibility into how employee time and payroll information move through the system.

• Timecards connect directly with payroll. Approved employee hours can flow into OnTheClock Payroll without manually re-entering timecard totals, eliminating another manual step where information could be entered incorrectly.
• Employees manage their own payroll information. Employees can enter and manage personal and payment information through Pay Settings rather than passing sensitive details through multiple people.
• GPS and geofencing add visibility to employee time tracking. Businesses can use location-based time tracking features to make it more difficult for employees to clock in from unauthorized locations.
• Payroll reports provide another checkpoint. Regularly reviewing payroll information can help surface unexpected hours, earnings, or payroll totals that deserve a closer look.
• Real support is available when something looks wrong. If you're an OnTheClock Payroll customer and notice something unexpected with your account or payroll, our support team is available to help you understand what happened and determine the appropriate next step.

None of these safeguards makes payroll fraud impossible.

They simply help close some of the gaps that can create opportunities for fraud while giving you more chances to notice when something doesn't look right.

What to Do if You Suspect Payroll Fraud

If you find something that looks fraudulent, don't wait to investigate it. The sooner you act, the better.

The longer a fraudulent payment, account change, or payroll discrepancy goes unnoticed, the harder it may become to determine what happened or recover money that was improperly paid.

At the same time, remember that an irregularity isn't proof of fraud. Start by documenting what you've found, preserving relevant records, and determining who needs to be involved.

What happens next depends on the type of suspected fraud.

Suspected Employee Fraud

Document the information you've found before taking action. If a current employee is involved, bring in the appropriate HR or company leadership and consider consulting an employment attorney before making termination or disciplinary decisions.

Payroll Tax Fraud

Suspected tax fraud can be reported to the IRS using the appropriate reporting process.

Wage or Worker Classification Issues

State labor agencies may handle complaints involving wage violations or worker misclassification. Requirements and reporting processes can vary by state.

Direct Deposit Diversion or Business Email Compromise

Contact your bank immediately if money has already been transferred. Acting quickly may improve the chances of stopping or recovering a fraudulent payment.

Depending on the circumstances, business email compromise and other internet-enabled fraud may also be reported to the FBI's Internet Crime Complaint Center.

Suspected Theft or Embezzlement

More serious cases may warrant contacting local law enforcement, particularly when substantial amounts of money are involved.

If you're an OnTheClock Payroll customer and notice something suspicious involving your account, such as an unexpected payroll adjustment or payment-related change, contact our support team right away.

Payroll fraud can also create significant legal and financial consequences. If you're dealing with a specific situation, consider working with an employment attorney, a tax professional, a financial institution, or another appropriate professional.

Build Verification Into Your Payroll Process

Payroll runs on trust: that employee hours are accurate, that banking information is legitimate, and that the person requesting a change is actually who they say they are.

Most of the time, that trust is well placed.

The goal isn't to treat every payroll change as suspicious. It's to build enough verification into the process that when something unusual does happen, you have a better chance of noticing it.

A second set of eyes, regular payroll reconciliation, limited administrative access, and a few extra seconds spent verifying an unusual request can go a long way.

Ready to Simplify Your Payroll? Get Started With OnTheClock Payroll

If you're not paying employees with OnTheClock Payroll yet, our 2026 year-end offer can help make the switch easier.

Start your OnTheClock Payroll enrollment before Dec. 31, 2026, and you'll receive:

Four Months of Free Payroll

Your first four months of OnTheClock Payroll are free, beginning with the month of your first payroll run.

Free Time Tracking for Salaried Employees

We'll waive the monthly time tracking fee for each salaried employee on your OnTheClock Payroll account.

Hands-On Payroll Implementation

There is a one-time $250 implementation fee. That covers hands-on work from our payroll implementation team to help get your account set up and ready for your first payroll run.

Frequently Asked Questions About Payroll Fraud