IT Operations & Cybersecurity Encyclopedia
Printer and scanner security guide
Printers, scanners, and multifunction devices are network-connected systems that handle sensitive documents, credentials, address books, scan destinations, logs, and stored jobs. A professional security review treats them as managed endpoints, not office appliances.
Printer securityScanner securityMFP hardeningScan workflowsNetwork segmentation
Why it matters
Secure the device, the workflow, and the data it handles
Printer and scanner security is broader than changing the admin password. It includes device inventory, firmware, management access, secure protocols, SNMP settings, scan-to-email, scan-to-folder, LDAP lookup, address books, print release, network segmentation, logging, and end-of-life data handling.
Multifunction devices often connect to Microsoft 365, file shares, directories, print servers, cloud services, and user workflows. If those connections are misconfigured, the device can expose credentials, sensitive documents, or a path into internal systems.
This guide supports IT operations and security planning. It does not replace manufacturer documentation, Microsoft guidance, compliance review, privacy requirements, or a professional cybersecurity assessment.
Practical rule: Every printer and scanner should have an owner, patched firmware, hardened administration, restricted network access, documented scan destinations, and a disposal or sanitization plan.
Review scope
Printer and scanner security areas
Inventory and ownership
Track every device, location, owner, IP address, firmware version, storage capability, and business workflow.
Administrator access
Remove default credentials, restrict management interfaces, require strong admin access, and document service accounts.
Scan destinations
Review SMTP, SMB, LDAP, cloud connectors, address books, stored credentials, scan folders, and mailbox workflows.
Network segmentation
Place devices in appropriate VLANs, limit management access, restrict unnecessary protocols, and monitor traffic.
Firmware and protocols
Update firmware, disable unused services, prefer secure protocols, review SNMP, and document exceptions.
Data and disposal
Control stored jobs, hard drives, address books, logs, lease returns, repairs, resale, and sanitization evidence.
Review matrix
Printer and scanner security review matrix
| Area | What to verify | Questions to answer | Evidence |
|---|---|---|---|
| Inventory | Review model, serial, IP, owner, location, firmware, storage, scan features, and business workflow. | Do we know what devices exist and what data they handle? | Asset export, floor plan, firmware screenshot, owner list, and storage notes. |
| Access | Review admin passwords, management interface, certificates, local users, vendor access, and service accounts. | Can only authorized users administer the device? | Security settings export, password rotation note, certificate screenshot, access review, and vendor ticket. |
| Scan workflows | Review SMTP, SMB, LDAP, address books, scan folders, Microsoft 365 relay, stored credentials, and permissions. | Are scan workflows secure and documented? | Scan settings, mailbox rules, credential owner, folder ACL, address book export, and test result. |
| Network | Review VLAN, firewall rules, SNMP, web access, print protocols, cloud connectors, and management restrictions. | Is printer access limited to appropriate networks? | Network diagram, VLAN map, firewall rule, network scan, and monitoring evidence. |
| Data | Review stored jobs, user boxes, logs, hard drives, fax memory, retained scans, and secure release settings. | Could sensitive data remain on the device? | Configuration export, stored-job settings, secure print proof, storage notes, and sanitization plan. |
| Lifecycle | Review lease return, repair, vendor service, disposal, wipe, drive removal, certificate, and asset update. | Is data protected when the device leaves control? | Lease checklist, service work order, wipe certificate, chain-of-custody record, and final signoff. |
Step-by-step review
Printer and scanner security runbook
1
Inventory devices and workflows
List printers, scanners, MFPs, locations, owners, IPs, firmware versions, scan destinations, storage features, and critical workflows.
2
Harden administration
Change default passwords, restrict management interfaces, review certificates, limit vendor access, and document service accounts.
3
Secure scan paths
Review SMTP, SMB, LDAP, scan folders, address books, Microsoft 365 relay, credentials, permissions, and logging.
4
Reduce network exposure
Place devices in appropriate VLANs, limit firewall rules, disable unused protocols, review SNMP, and monitor traffic.
5
Update firmware and settings
Apply vendor firmware updates, disable unnecessary services, validate secure print, and document exceptions.
6
Prepare data-handling evidence
Document stored jobs, hard drives, address books, lease returns, repairs, disposal, wipe proof, and chain of custody.
7
Review and remediate findings
Create tickets for default credentials, stale firmware, broad network exposure, shared scan credentials, and missing disposal evidence.
Common risks
Common printer and scanner security gaps
Default credentials remain active
Default or shared administrator passwords can expose configuration, address books, logs, and stored jobs.
Scan credentials are overprivileged
SMB, SMTP, LDAP, and cloud accounts should be least privilege, documented, rotated, and monitored.
Devices are on flat networks
Printers and scanners should not have unnecessary access to sensitive systems or management networks.
Firmware is not maintained
Outdated firmware can leave known vulnerabilities and weak protocol behavior unresolved.
Stored jobs are forgotten
Retained print jobs, user boxes, scans, fax memory, and logs may contain sensitive information.
Disposal is undocumented
Lease returns, repairs, resales, and disposal should include wipe proof or storage-handling evidence.
Related support
Where IT Perfection can help
IT Perfection can help inventory printers and scanners, harden MFP settings, secure scan workflows, update firmware, segment networks, and document disposal evidence.
OC Security Audit can help review printer and scanner risk, network exposure, stored data, credential handling, HIPAA/PCI-sensitive workflows, and cybersecurity readiness.
Created by Ali Hassani, CISO
Professional printer and scanner security support
Ali Hassani brings 25+ years of hands-on experience across IT operations, cybersecurity, Microsoft infrastructure, network security, compliance readiness, cloud services, healthcare IT, MSP services, and business technology leadership.
This guide is for initial education and planning. It does not replace a professional cybersecurity audit, compliance assessment, penetration test, legal review, vendor engineering review, or Microsoft professional services engagement.
Office devices are part of the security environment
A strong printer and scanner security review connects device settings, scan workflows, network controls, firmware, storage, and disposal into one practical risk picture.
FAQ
Printer and scanner security FAQ
Why are printers and scanners cybersecurity assets?
They connect to networks, directories, email systems, file shares, cloud services, print servers, and user workflows, and may store sensitive data.
What scanner settings should be reviewed?
Review SMTP, SMB, LDAP, address books, scan folders, Microsoft 365 relay, stored credentials, permissions, and logs.
Should printers be segmented?
Yes. Use VLANs and firewall rules to limit printer and scanner access to required users, servers, and management systems.
What should be checked before disposal?
Check storage, address books, logs, scan data, fax memory, hard drives, vendor wipe process, chain of custody, and asset updates.
