How to Set Up Two-Factor Authentication on Your NAS Login
A network-attached storage system often holds the most valuable files in a home or office: tax records, family photographs, customer documents, backups and media libraries. A strong password is essential, but it can be exposed through phishing, password reuse, malware or a compromised computer. Two-factor authentication (2FA) adds a second checkpoint before someone can access the NAS management interface.
Synology and QNAP both support multi-factor authentication through their current operating systems, although the menu names and available methods vary by model and software version. Most users will need an authenticator app, a mobile device and an administrator account. Hardware security keys may also be available on newer releases.
The process is especially useful for Australians who access a NAS remotely over an NBN connection, from a regional property or while travelling between Sydney, Melbourne, Brisbane and Perth. Remote access is convenient, but it increases the importance of securing every administrator login and reviewing how the NAS is exposed to the internet.
Why Two-Factor Authentication Matters
Two-factor authentication combines something you know, such as a password, with something you have, usually a phone running an authenticator application. Even if an attacker obtains the password through a fake login page, the account should remain protected without the current verification code or approval.
Authenticator apps generally generate six-digit time-based codes that change every 30 seconds. They work without mobile coverage once configured, which is useful in parts of regional Australia where reception can be unreliable. Apps such as Microsoft Authenticator, Google Authenticator and Authy are common choices, although compatibility depends on the NAS operating system.
2FA protects the NAS account, not every service running on it. A vulnerable media server, outdated package or open file-sharing port can still create risk. Treat multi-factor login as one layer within a wider security setup that includes software updates, backups, firewall rules and restricted remote access.
Prepare Your NAS Before Enabling 2FA
Install the latest stable version of DSM on Synology hardware or QTS or QuTS hero on QNAP hardware before changing authentication settings. Update installed packages as well, then confirm that your current administrator password is unique and difficult to guess. Avoid using the NAS account password for email, shopping or cloud services.
Create a second administrator account before enabling 2FA on the main account. Keep it disabled or tightly restricted until needed, but make sure you know how to use it for recovery. This precaution can prevent a lockout if a phone is lost, an authenticator database is deleted or a QR code is scanned incorrectly.
Check the NAS date, time zone and automatic time synchronisation. Time-based codes can fail when the device clock is significantly wrong. A NAS located in Adelaide, Darwin or another Australian time zone should use the correct local setting, with automatic daylight-saving behaviour configured where applicable.
Before leaving the setup screen, save the recovery codes in a password manager or another secure offline location. Do not store them in an unencrypted text file on the same NAS. For a small business, make sure the owner or another trusted administrator can access the recovery process when the usual IT contact is away.
Enable 2FA On A Synology NAS
Sign in to DSM with an administrator account, open the account menu and select the security or personal settings area. In current DSM versions, the relevant option is generally found under Control Panel and User & Group, or within the individual user’s security settings. Look for two-step verification, 2FA or a similar authentication option.
Choose an authenticator app as the verification method, then scan the QR code displayed by DSM. If scanning is unavailable, enter the setup key manually. Type the current code from the app into DSM and complete the confirmation process. Synology may then display emergency codes; save them before closing the window.
Sign out and test the login in a private browser window. Enter the username and password, then provide the changing code from the authenticator app. Testing immediately confirms that the device clock, app and account settings are working before you depend on the protection during a genuine remote login.
Synology administrators should also review which accounts can use administrative privileges. Everyday file access should use a standard account, while administrator access should be reserved for configuration tasks. If QuickConnect, Hyper Backup, Drive or a mobile application is enabled, update each client and confirm that it supports the selected 2FA method.
Enable 2FA On A QNAP NAS
On a QNAP system, sign in to QTS or QuTS hero and open the account profile or Control Panel security settings. Depending on the firmware release, the option may be labelled 2-step verification, two-step login or multi-factor authentication. Select an authenticator application and follow the displayed QR-code process.
Scan the code with the chosen app, enter the temporary verification number and confirm the setup. QNAP may provide emergency access codes or ask you to configure an alternative verification method. Store these details securely and avoid taking a screenshot that automatically synchronises to a general-purpose photo cloud.
Open an incognito browser window or use another device to verify the new login requirement. Test both the local address and the approved remote access method. If the NAS is used with Qfile, Qsync, QuTScloud or another QNAP application, check whether the current app version supports the account’s new sign-in flow.
Many QNAP owners expose services through myQNAPcloud or port forwarding. Review those settings after enabling 2FA. Close unused ports, disable services that are no longer required and avoid publishing the administration interface directly to the public internet. A VPN or a carefully configured reverse proxy is usually safer than leaving management ports broadly reachable.
Practical Hardening Recommendations
2FA works best when combined with sensible account and network controls. Australian businesses handling personal information should also consider the Privacy Act and the Australian Cyber Security Centre’s Essential Eight guidance. A NAS may be a small part of the environment, but it can still contain regulated or commercially sensitive data.
The following actions provide a practical security baseline for home users, freelancers and small offices:
- Use an authenticator app rather than SMS where possible, because app codes are less exposed to mobile-number takeover.
- Keep at least two secure recovery options, such as printed emergency codes stored in a locked location and a second trusted administrator account.
- Disable the built-in default administrator account after confirming that a separate administrator works correctly.
- Use separate standard accounts for family members, staff and applications instead of sharing one login.
- Turn on automatic security updates where appropriate, and review firmware release notes before major upgrades.
- Restrict remote access through a VPN, allow-list or carefully configured firewall instead of forwarding every NAS service.
- Maintain offline or immutable backups, because 2FA cannot restore files encrypted by ransomware or deleted by an authorised account.
For homes in Queensland or New South Wales, a UPS can help the NAS shut down safely during storms and short outages. It does not replace backups, but it reduces the chance of file-system damage. In an office, document who owns the recovery codes and how access will be restored if the primary administrator loses their phone.
A useful reference point for comparing storage hardware, backup functions and security features is NAS storage advice. The right setup depends on whether the device is mainly a media server, a workstation backup target or a shared business file platform.
Physical access deserves attention as well. A NAS in an unlocked study, shop floor or comms cupboard can be reset or disconnected regardless of its online protections. Technical organisations such as Rescona’s engineering resource demonstrate the broader value of documenting infrastructure and access points; apply the same discipline to the location, cabling and administrator records for a storage system.
Enable two-factor authentication on every administrator account, test the recovery path and then review remote-access settings from outside the home or office network. Record the NAS model, firmware version, backup locations and trusted contacts in a secure password manager so the system remains recoverable when an urgent arvo call comes through.