Printer Security: 5 Ways to Protect Business Data

Office printers are connected to your network, store documents temporarily on internal hard drives and process sensitive information every day. Yet many businesses secure their computers and servers while overlooking the printer sitting down the hall.

That raises an important question:

Could someone access confidential documents, passwords or employee information through your office printer?

In many cases, the answer is yes.

The good news is that improving printer security doesn't have to be complicated. Here are five simple steps businesses can take to reduce risk and better protect sensitive data.

Concerned that your office printers could expose sensitive information? Request a Print Security Assessment to uncover hidden risks and security gaps before they become a problem.

1. Change Default Passwords Immediately

Many office printers still use factory default admin passwords. Hackers know this and often search networks specifically looking for unsecured devices.

Changing the administrator password is one of the fastest ways to improve security and prevent unauthorized access to printer settings, stored documents and network connections.

Quick Tip: Use strong passwords and limit administrator access to only the employees who truly need it.

2. Keep Printer Firmware Updated

Printers run firmware just like computers run operating systems. If the firmware is outdated, security vulnerabilities may exist that cyber criminals can exploit.

Firmware updates often include:

• Security patches
• Bug fixes
• Improved encryption
• Protection against newly discovered threats

Businesses that ignore firmware updates may leave printers exposed for months or even years.

Quick Tip: Schedule regular firmware reviews as part of your IT maintenance routine.

Not sure whether your printers are running outdated firmware? Fraser can review your devices and identify missing security updates during a Print Security Assessment.

3. Enable User Authentication and Secure Print Release

Sensitive documents left unattended in an output tray pose both security and compliance risks.

Secure print release helps prevent this by requiring users to authenticate at the device before documents print.

This feature helps protect:

• HR records
• Financial documents
• Legal paperwork
• Customer information
• Healthcare records

Many businesses also use badge scanning or PIN codes to add another layer of protection. Secure print is just one of the essential features of an effective Managed Print Services program.

Quick Tip: If your organization handles confidential information, secure print release should be considered essential.

4. Encrypt Data Stored and Sent by the Printer

Modern printers frequently store data temporarily on internal hard drives and transmit information across your network.

Without encryption, that data may be vulnerable if intercepted or accessed improperly.

Business should enable:

• Hard drive encryption
• Data overwrite settings
• Secure scan transmission
• Encrypted network communication

These features help reduce the risk of sensitive information being exposed.

Quick Tip: Ask your provider whether your printers support automatic data overwrite after jobs are completed.

5. Restrict Printer Network Access

Printers should not be open to every user, device or network connection.

Limiting access reduces the chances of unauthorized users gaining entry through the printer.

Simple security measures include:

• Placing printers behind firewalls
  
• Disabling unused ports and protocols
• Restricting guest network access
• Segmenting printers onto separate VLANs
• Monitoring device activity

A printer should be treated like any other network endpoint, not just another office device.

Quick Tip: Your IT team should regularly review printer security settings alongside those for other connected devices.

Why Printer Security Matters More Than Ever

Printers are often overlooked during cybersecurity planning, but they can become a serious vulnerability if left unsecured.

A compromised printer may expose:

• Customer records
• Financial information
• Employee files
• Legal documents
• Healthcare or compliance-related data

For businesses focused on cybersecurity, printer security should be part of the conversation, not an afterthought.

If you want a deeper look into protection for copiers and multifunction devices, check out Fraser's guide to copier hard drive and device security.

Printer security issues are often invisible until there's a problem. A proactive review can help identify vulnerabilities before they create downtime, compliance concerns or data exposure.

Request a Print Security Assessment

Not sure whether your printers are properly secured?

Fraser can help.

Our Print Security Assessment reviews:

• Current printer security settings
• Firmware and update status
• User authentication controls
• Network security configurations
• Hard drive and data protection features
• Print workflow vulnerabilities

After the assessment, you'll receive practical recommendations to help improve security, reduce risk and better protect sensitive business information.

Frequently Asked Questions

Q: Can printers really be hacked?

A: Yes. Modern printers are network-connected devices that can be targeted if security settings are weak or outdated.

Q: Do printers store copies of documents?

A: Many multifunction printers temporarily store print, scan and copy jobs on internal hard drives.

Q: What is secure print release?

A: Secure print release requires users to authenticate at the printer before documents are printed, helping to prevent sensitive information from being left unattended.

Q: How often should printer firmware be updated?

Businesses should review printer firmware regularly and apply security updates as recommended by the manufacturer.

Q: Are printer security assessments worth it?

A: Yes. Many businesses discover outdated settings, open ports and missing protections they were unaware of until a formal assessment is performed.