Payroll security is the set of controls and practices businesses use to protect sensitive employee and company data, including pay rates, bank details, Social Security numbers, and tax information. When payroll security breaks down, the impact can be immediate and costly, ranging from timesheet fraud and unauthorized pay changes to data breaches and identity theft.
Payroll systems deserve special attention because they combine three high-risk elements in one place: direct access to money, highly sensitive employee data, and routine day-to-day use by staff.
Data breaches in particular are becoming more expensive for US businesses. IBM’s 2025 report reveals that the average breach now costs $10.22 million, a 9% increase from the prior year, fueled by stricter regulations and rising incident response costs.
While the risks vary by business size and payroll setup, they’re becoming more common as payroll systems grow more digital and interconnected. The tips below outline practical ways to safeguard payroll data and reduce exposure, whether you manage payroll in-house, use payroll software, or rely on a third-party provider.
1. Choose a good payroll software
Payroll software is a first line of defense against risks like payroll fraud, phishing, and unauthorized pay changes. Reputable platforms include built-in security features that help prevent and detect suspicious activity, such as:
- Role-based access controls
- Data encryption
- Audit logs
- Automated alerts
Automation strengthens payroll security by reducing manual work and limiting opportunities for human error. Yet payroll automation isn’t universal. HR.com reports that only 39% of organizations consider their payroll functions highly automated, with another 39% operating at a moderate level. As a result, many businesses still rely on manual steps that increase the risk of errors, delays, and security gaps.
Choosing secure payroll software is only the first step. It also needs to be kept up to date. Outdated systems are more vulnerable to known security flaws, making timely updates essential. Businesses should apply updates as soon as they’re released, confirm that vendors automatically deploy security patches, and provide clear instructions and follow-up when employee action is required.
To put this into practice, establish a clear process for keeping payroll software current.
How to ensure payroll software is updated
- Document update requirements in your payroll and security procedures so responsibilities are clear
- Communicate timely, step-by-step instructions when employees need to update software on their devices
- Follow up to confirm updates are completed and systems are running the latest version
- Confirm your payroll provider automatically applies security patches and system updates, rather than requiring manual action
- Review updates periodically to ensure continued access to third-party integrations that support efficient payroll workflows
2. Train employees on payroll security and access controls
Training employees on how to use your payroll system helps them understand built-in security features and their role in protecting sensitive employee data, such as Social Security numbers, addresses, and bank details. Payroll training should clearly document company procedures and ensure all relevant employees know where to find them.
Because payroll systems and threats change over time, training shouldn’t be one-and-done. Even large enterprises aren’t immune. In August 2025, Jaguar Land Rover confirmed that attackers accessed its payroll systems, exposing employee data tied to salaries, benefits, and bank details. Payroll platforms remain high-value targets when access controls or user awareness break down.
Training should also reinforce secure access practices, including regular credential updates.
Here are a few security training practices to reduce threats:
- Train new and current employees on payroll system use and security features.
- Schedule refresher training when software updates or procedures change.
- Require regular password updates (typically every 60–90 days, based on risk).
- Document credential requirements in payroll and security policies.
- Monitor for shortcuts or bad habits that weaken payroll security.
Many payroll breaches aren’t the result of flawed software, but of basic security settings that were never enabled or reviewed. rWhile password changes alone won’t stop every threat, they remain an effective safeguard when combined with employee training and other security controls.
3. Treat payroll as part of your security strategy
Payroll security should be built into your overall business security strategy, not handled as a standalone process. Documenting payroll procedures in your security policies helps set clear expectations, keeps controls consistent, and reduces gaps that can lead to fraud or errors.
A key control within any payroll security strategy is separation of duties. When one person handles every stage of payroll, the risk of mistakes or misuse increases. For small businesses, separation of duties means making sure no single person has unchecked control over the entire payroll process.
Consider including the following payroll controls:
- Conduct background checks for employees involved in payroll.
- Limit access to employee personal and payroll data.
- Use ACH filters to block unauthorized bank transactions.
- Encourage direct deposit instead of printed checks.
For very small teams, “separation of duties” may simply mean involving an owner, accountant, or external provider in payroll review. This creates a natural checkpoint in the process, discourages misuse of sensitive data, and helps catch errors before they affect employees or cash flow.
4. Limit the information you print on checks
Printing unnecessary employee details on paychecks increases the risk of payroll-related fraud and identity theft, especially if checks are lost, stolen, or mishandled. For small businesses, even a single exposed paycheck can create outsized financial and legal risk.
To reduce exposure, include only essential information on checks, such as the employee’s name and net pay. Avoid printing sensitive details like Social Security numbers, home addresses, or internal employee ID numbers. When possible, encourage direct deposit, which is generally more secure than paper checks and easier to manage.
If you work with a payroll provider, confirm that it limits the data printed on checks by default and follows secure payment and data-handling practices. It’s the small configuration choices like these that can significantly reduce your payroll security risk.
5. Use payroll features to reduce time theft
Time theft occurs when employees inaccurately report hours worked, whether intentionally or through weak time-tracking controls. Eventually, this can inflate labor costs and undermine payroll accuracy, especially for small businesses with hourly teams.
Most payroll systems include built-in tools to help reduce time theft. Common features to enable include multi-factor authentication to verify who is clocking in, shift rules that limit when employees can clock in or out, and alerts that flag time entries that fall outside normal patterns.
If you’re already using a payroll platform, review its time-tracking and reporting features or contact customer support to understand what safeguards are available. For businesses that need more advanced controls, standalone time and attendance systems can integrate with payroll and provide additional visibility. Here are eight of our best time and attendance systems to get you started.
6. Secure payroll access during employee offboarding
Employee departures are a common point of payroll security risk. When access removals lag, former employees may still be able to view sensitive payroll data or remain on payroll altogether as “ghost employees,” leading to financial loss and compliance issues.
To reduce risk, make payroll security part of your offboarding checklist. Recover company assets such as laptops and security credentials on the employee’s last day, immediately remove access to payroll systems, and update login credentials for anyone who previously managed payroll or approvals.
This is also an area where payroll providers can make the process easier. Rippling, for example, offers a device management software that allows you to turn permissions to all apps and programs with just the click of a button. This allows you to manage all of your employees’ access remotely to ensure that only the appropriate team members can access sensitive data. Learn more about what it can do for you in our in-depth Rippling review.
7. Conduct regular payroll audits
Regular payroll audits help businesses catch errors early, reduce the risk of fraud or embezzlement, and stay compliant with tax and labor laws. While a full payroll audit should be completed at least once a year, many small businesses benefit from lighter quarterly or monthly reviews that flag issues before they become costly problems.
When auditing, focus on a few high-impact checks, such as:
- Verifying employee details, pay rates, and pay periods
- Spot-checking 5% to 10% of W-4 forms to identify inconsistencies
- Comparing payroll hours to timecard records
- Reviewing a payroll ledger to confirm transactions align with payroll reports
8. Consider outsourcing payroll for added security
If you’re a busy business owner, it can be difficult to dedicate the time and energy necessary to maintaining a secure payroll system. Likewise, you may not have room in your budget to hire full-time HR or payroll specialists. Hiring a third-party payroll provider can help you save time while ensuring your company is protected by comprehensive security measures.
When evaluating a payroll solution provider, security should be a key factor in the decision. Focus on those that offer:
- Secure employee access to payroll history and tax documents
- Strong security features within time tracking and payroll workflows
- A proven track record in handling data protection and security incidents
- Seamless integration with your existing HR, accounting, and security tools
While cost matters, balance your budget against the importance of accuracy, reliability, and protecting sensitive employee data. For many small businesses, a secure payroll provider can reduce risk while freeing up time to focus on running the business.
9. Multi-factor authentication (MFA) for payroll access
Multi-factor authentication adds an extra layer of protection to your payroll system by requiring users to verify their identity beyond a password. This can be a one-time code sent to a phone or generated by an authenticator app. Payroll accounts are frequent targets for phishing and credential-stuffing attacks, which makes MFA especially important for preventing unauthorized access.
That risk isn’t theoretical. In 2025, Microsoft Threat Intelligence observed attackers compromising employee HR accounts and diverting salary payments by targeting payroll and HR systems that did not enforce multi-factor authentication, a tactic the industry now refers to as “payroll piracy.”
Requiring MFA significantly reduces the risk of unauthorized access, even if login credentials are compromised. For best results, enable MFA for anyone with access to payroll data, including administrators, managers, and finance or HR staff.
10. Monitor payroll activity with alerts and audit logs
Imagine running payroll and noticing an employee didn’t get paid, only to find their direct deposit details were changed days earlier without approval. By the time the issue is discovered, the money is already gone. This is where payroll systems with real-time alerts and audit logs are useful, so you can catch changes like this as they happen.
Audit logs and alerts are your last line of defense before payroll runs. Monitor high-risk actions like direct deposit changes, pay rate edits, permission updates, and off-cycle payroll runs to prevent errors or fraud from becoming financial losses.
Common payroll risks to avoid
Payroll risks are a major concern for any type of business. Whether the cause is human error or a security attack, you need to protect your business against it. To protect your business from such risks, you need to be aware of them and what they look like.
Some of the most common ones are:
- Payroll Fraud: This is the most common payroll security risk. It happens when someone illegally uses payroll data for their personal gain. This includes making unauthorized changes to the timesheet, creating fake employee accounts, and making unauthorized payments.
- Phishing: The aim of these attacks is to trick you into revealing sensitive information, like your login credentials or password. Phishing attacks often happen under the guise of an email from a legitimate source like your bank.
- Malware: Scammers or attackers use this to infect your computer and steal data from it. They can use this to get into your payroll system and get sensitive data.
- Over and underpayments: This is often the cause of human error due to incorrect pay rate or calculation of hours worked. Sometimes the cause can be the miscalculation of withholding tax or overtime pay.
- Noncompliance: Payroll laws can change overtime and if you’re not aware of it, you might find yourself in trouble for noncompliance.
Bottom Line
Whether you work with a third-party payroll provider or handle payments in-house with software, payroll security is an integral part of paying employees. Payroll systems typically have security features built in, but there are a number of steps that you can take to protect your business from threats like falsified time sheets and data theft.
When it comes to payroll software with robust security features and HR support, Gusto offers unlimited pay runs and automated payroll tax payments and filings. It also supports international contractor payments in more than 90 countries. Sign up for a Gusto plan today and get one month free when you run your first payroll (this offer will be applied to your Gusto invoice while all applicable terms and conditions are met or fulfilled).
