Leveraging immutable and cross-cloud backups for protection and recovery

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Ah, data—the lifeblood of the digital age. It's more precious than gold, rarer than a unicorn sighting, and, unfortunately, more vulnerable than a kitten in a room full of rocking chairs. You’ve probably heard the horror stories: ransomware attacks holding data hostage, entire infrastructures crippled, and panicked IT managers frantically Googling, “How to undo ransomware (preferably without tears).”

But fear not, dear reader! Enter the knight in shining armor: Immutable backups.

These digital fortresses are here to save your data from the clutches of cyber villains. Immutable backups are the ultimate security blanket, and today, we’ll dive into how they can keep your enterprise's data as safe as a secret cookie stash.

Sebastian Straub

Principal solutions architect at N2WS.

Immutable Backups: Your Data's Invincible Shield

Picture this: Your backups are safe, secure, and, best of all, untouchable. Immutable backups ensure that once your data is backed up, it cannot be altered or deleted. Not by you, not by cybercriminals, and definitely not by your overly curious intern who “accidentally” clicks on things.

Immutable means unchanging over time. This is like having a vault that even the craftiest thief can't crack. It’s the ultimate form of air-gapping—a method that makes your data as accessible to bad actors as the last season of Game of Thrones was to sense and logic. The immutable nature of these backups ensures that, even if your main environment is compromised, your backup remains pristine, unsullied, and ready to restore your operations to their former glory.

Before enabling immutable backups, it's important to confirm that the data being backed up is exactly what you need. Immutable backups are designed to be unalterable, for better or worse, meaning once they are set, you cannot modify, delete, or update them for the duration of the retention period. Therefore, carefully consider the retention period and ensure it aligns with your data retention policies and business requirements. This irreversible nature offers rock-solid protection against data tampering or accidental deletion, but it also means that any mistakes or unnecessary data included in the backup will remain fixed until the retention period expires. Plan carefully to avoid unintended consequences.

Cross-Cloud Backup: The Golden Standard

So, you’ve embraced immutable backups—great start! But what if you could take it up a notch? Imagine a scenario where your AWS data is safely backed up not just within AWS but in an entirely different cloud platform, say, Azure. Cross-cloud backup is the gold standard in air-gapping, providing an extra layer of security that makes hackers’ heads spin faster than a hamster on a wheel.

Why is cross-cloud backup so effective? It’s simple: diversification. By backing up your data across different cloud platforms, you’re not putting all your eggs in one basket (or all your data in one cloud). If one platform is compromised, your data is still safely tucked away in another, immune to the chaos, like a witness protection program for your data! Plus, when your AWS data is securely backed up in Azure, and you can recover it just as easily, it’s like having a secret escape route in a spy movie—your data is always one step ahead of the bad guys.

Here are three key points to consider for cross-cloud backups.

Before we dive into these key points, just remember: setting up cross-cloud backups is like trying to organize a family reunion—everyone’s got different needs, it costs more than you planned, and you realize why you only see them once a year!

Transfer Speeds: Consider the transfer speeds and potential bottlenecks that could impact backup and more importantly, recovery times.

Cost Management: Cross-cloud backups can introduce additional costs, including storage fees, data transfer charges, and potential hidden costs associated with managing multiple cloud environments. Carefully assess and plan for these expenses.

Security and Compliance: Evaluate the security measures and compliance requirements of each cloud provider. Ensure that your cross-cloud backups meet necessary regulatory standards and that data encryption and access controls are consistently maintained across all platforms. Ensure that you are in control of the encryption keys used for your data.

Full-Stack Recovery: More Than Just Data

Now, let’s talk recovery—because what’s the point of backing up data if you can’t recover it efficiently when disaster strikes? But we’re not just talking about data here. We’re talking about the full stack: servers, services, and—drumroll, please—your network configuration.

Yes, you read that right. It’s not good enough to just have your data and applications backed up; you also need to be able to restore your entire network configuration. This includes VPNs, routing tables, load balancers and all those other intricacies that make your network hum like a finely tuned engine.

Imagine being able to recover everything with minimal manual intervention—so smooth that your end users won’t even notice the hiccup. Meanwhile, the cybercriminals are left scratching their heads, wondering why their ransom demand went unanswered. Little do they know, you’ve already restored your entire environment faster than it takes them to type out, “We have your data, pay up.”

Recovery orchestration will be your friend. It will ensure that in case of an outage your recovery is only a mouse click (or two, or three) away, and ideally your recovery orchestration will allow for regular disaster recovery testing as well. Your audit officer will thank you!

Smile and Tell the Bad Guys to Get Lost

With immutable, cross-cloud backups and the ability to restore your entire stack (network config included), you’re armed with the best defense against data loss, ransomware, and other digital disasters. You’re like a Zen master of IT, calmly sipping your coffee while the cybercriminals scream into the void because their ransom threats have fallen on deaf ears.

In the end, protecting your data isn’t just about having backups; it’s about having unbreachable backups.

So, go ahead and sleep easy. Your data is safe, your backups are immutable, and your recovery plan is rock-solid.

The bad guys? They can go bother someone else.

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Sebastian Straub, principal solutions architect at N2WS.