The Device Nobody Thinks About — Until It's Hacked
You lock your server room. You have a firewall. You've enabled multi-factor authentication on your email. You've done a lot of things right.
But there's a networked computer sitting in your office that nobody updated in three years, runs an unpatched operating system, has default admin credentials, stores copies of every document it ever processed, and is accessible from the internet through your firewall.
That computer is your printer.
For businesses in Richmond and Chester, VA, networked printers and multifunction devices (MFDs) represent one of the most consistently overlooked cybersecurity vulnerabilities. Here's what you need to know.
Why Network Printers Are a Serious Security Risk
They Run Full Operating Systems — With Outdated Software
Modern enterprise printers run embedded Linux or Windows CE operating systems with web servers, FTP servers, and network management interfaces built in. These operating systems receive security patches from the manufacturer — but most businesses never install them. A printer that hasn't been updated in 2–3 years may have dozens of known, exploitable vulnerabilities.
They Store Your Documents
Most networked printers have onboard storage — hard drives or flash memory — that caches copies of every document printed, scanned, or faxed. For law firms, healthcare practices, and financial services businesses in Richmond, this means highly sensitive client documents are sitting on an unencrypted drive in the corner of your office. When that printer is replaced or resold, those documents go with it.
They Often Have Default Credentials
The vast majority of networked printers are deployed with default usernames and passwords (admin/admin, admin/password, etc.) and never changed. These credentials are publicly documented by every manufacturer. An attacker on your network can access your printer's admin interface instantly.
They Can Be Used as Network Pivot Points
A compromised printer can be used by an attacker as a foothold inside your network — scanning for other vulnerable devices, capturing network traffic, or serving as a command-and-control node. Because printers are rarely monitored by security tools, they can be compromised for months without detection.
Fax Vulnerabilities
Research from HP and Check Point has demonstrated that a malicious fax can compromise a multifunction printer and use it as a bridgehead to attack the rest of the corporate network. If your all-in-one printer has a fax port connected to a phone line, this is a real and documented attack vector.
The 7-Point Printer Security Checklist
Yesteck recommends all Richmond and Chester VA businesses address the following for every networked printer or MFD:
- Change default admin credentials immediately — use a strong, unique password and document it in your password manager
- Update printer firmware — check the manufacturer's site for the latest firmware and schedule quarterly updates
- Segment printers on a separate VLAN — printers don't need access to your servers or workstations; put them in their own network segment with controlled access rules
- Enable disk encryption — if your printer has a hard drive, encrypt it through the admin interface
- Configure secure print release — require users to authenticate at the printer before documents are printed (PIN, badge, or app)
- Disable unused services — turn off FTP, Telnet, and other legacy protocols that aren't needed
- Wipe storage before disposal — before recycling or reselling any printer or MFD, use the manufacturer's secure wipe function or physically destroy the drive
Enterprise Printers Worth Considering for Richmond Businesses
Not all printers are created equal from a security standpoint. Yesteck recommends enterprise-grade devices from HP, Xerox, or Canon for business use — these vendors have more mature security features, longer firmware support lifecycles, and better admin controls than consumer-grade Brother or Epson devices that end up in many small offices.
The Bigger Picture: IoT Security for Virginia Businesses
Your printer is just one of many networked devices that often fall outside traditional IT security management. Smart TVs, VoIP phones, security cameras, HVAC controllers, and other IoT devices share the same risks: default credentials, infrequent updates, and minimal monitoring.
Yesteck's managed IT programs include IoT device inventory, network segmentation, and monitoring to ensure that every device on your network — including the printer in the break room — is accounted for and secured.
Schedule a free network security assessment with Yesteck to find out what's hiding on your network.