Safeguarding network-attached storage (NAS) from data loss, external threats, and natural disasters is crucial to maintaining the security of your data. These devices are responsible for storing vast amounts of data, ranging from gigabytes to terabytes. However, NAS systems are not immune to attacks, and several brands have faced challenges such as ransomware and security vulnerabilities. Here, we discuss some of the most effective methods for protecting your data:
Back Up Your NAS and Data
Data loss can occur due to ransomware attacks, drive failures, or natural disasters. While using a redundant array of inexpensive disks (RAID) can help protect your NAS from drive failures, it's not foolproof, and failures can still happen. This is where having a backup becomes essential. Whether you lose one or more drives, need to transfer data to a new system, or are locked out of your NAS due to ransomware, backups are indispensable. A reliable backup strategy involves keeping three copies of your data, stored on two different storage mediums, with one copy kept off-site. This approach ensures that, no matter what happens to your NAS or network, you are always just one backup away from a full recovery.
Implement Two-Factor Authentication (2FA)
You might be familiar with 2FA from websites, and it's just as valuable for your NAS accounts. Many NAS software platforms, such as those from Synology and ASUSTOR, support two-factor authentication. Since NAS systems with remote access can be accessed through user accounts, enabling 2FA adds an essential layer of security. Typically, you just need an authentication app or email client to generate and enter a code during login. While it may add a few extra seconds to the login process, it significantly enhances the security of your NAS account.
Keep Software Updated
Keeping your NAS operating system up-to-date is as important as updating your smartphone, PC, or other hardware. Most NAS systems are set to automatically check for and install OS updates, but it’s wise to manually verify this occasionally to ensure everything is running smoothly. Besides the OS, it's crucial to update all installed packages, especially those with external access. Don't forget to check for updates on manually installed software like Plex Media Server or Jellyfin, as these updates often include critical security patches.
Securely Configure Remote Access
Enabling remote access to your NAS allows you to connect to it from anywhere, but it also introduces a potential vulnerability. Improperly configured remote access can expose your NAS or local network to unauthorized users, leading to serious security breaches.
Lock Down Your NAS
The most effective way to secure your NAS and data is by locking it down completely, allowing only trusted hardware to access your LAN. This minimizes the risk of data loss and protects against malicious actors. In today's increasingly connected world, the risk of natural disasters or deliberate attacks is higher, making it essential to reinforce your NAS security. Consider your NAS a sensitive target, much like a server, that requires robust protection against potential threats. Additionally, it's important to regularly assess your network's security, ensuring that your entire infrastructure and all connected devices are safeguarded.