Why Disaster Recovery Matters More Than Ever

The threat landscape for Australian businesses has changed dramatically. Ransomware attacks increased 62% in Australia between 2023 and 2024, with small businesses increasingly targeted because of their weaker defences. At the same time, hardware failures, accidental deletions, and natural events continue to cause data loss every day. A disaster recovery strategy is no longer optional — it is a fundamental business requirement.

The 3-2-1 Backup Rule (Still the Foundation)

The 3-2-1 rule remains the most practical baseline for backup strategy: keep 3 copies of your data, on 2 different media types, with 1 copy stored offsite. In practice for most businesses, this means a local backup on a NAS or server, a second copy on a different local device, and a third copy in cloud storage (AWS S3, Azure Blob, Backblaze B2).

Immutable Backups — The Ransomware Counter-Measure

Modern ransomware is designed to find and encrypt or delete backup data as well as production data. Traditional backups stored on accessible shares are vulnerable. Immutable backups — backup data that cannot be modified or deleted for a defined retention period, even by an administrator with credentials — protect your recovery capability from ransomware that has already gained access to your environment.

AWS S3 Object Lock, Azure Blob immutable storage, and purpose-built backup appliances all support immutability. SpenVest Lab implements immutable backup configurations as a standard protection for managed IT clients.

Defining Your RTO and RPO

A disaster recovery plan is only useful if it is achievable. Two metrics define achievability:

Recovery Time Objective (RTO) — the maximum acceptable time to restore systems after an incident. A business that can tolerate 4 hours of downtime has a 4-hour RTO; a business that needs to be back online in 30 minutes needs infrastructure designed to support that.

Recovery Point Objective (RPO) — the maximum acceptable data loss measured in time. An RPO of 1 hour means backups must run at least hourly so no more than 1 hour of data can be lost.

Most small businesses have never formally defined their RTO and RPO — which means their backup solution may not actually meet their recovery needs when tested. SpenVest Lab works with businesses to define realistic RTO/RPO targets and then validates that backup infrastructure meets them.

Recovery Testing — The Step Most Businesses Skip

Backup without recovery testing is just hope. SpenVest Lab conducts scheduled recovery tests for all managed backup clients — restoring files, databases, and full systems to verify that the recovery procedure actually works within the agreed RTO. Businesses are often surprised to discover that untested backups fail to restore, or that the recovery process takes three times longer than expected.

Business Continuity Beyond Backups

Disaster recovery is about more than restoring data — it is about maintaining business operations during an incident. A comprehensive business continuity plan addresses: which staff have authority to invoke the plan, how customers are communicated with during an outage, what manual processes substitute for unavailable systems, and which vendors are contacted for hardware replacement or co-location failover.

SpenVest Lab documents business continuity plans for managed IT clients — ensuring that the people, process, and technology elements of recovery are all covered, not just the backup software.