Understanding two terms that are often confused, but serve very different purposes
These 2 terms were mentioned in a webinar last week, so I thought it might be useful to have a dig. Not long ago, disaster recovery was considered the gold standard of IT resilience. If a server failed, a data centre lost power, or a flood damaged critical infrastructure, organisations relied on backups, replicated systems and carefully documented recovery plans to get operations back online. The assumption was straightforward: restore the systems, restore the data, and the business could continue.
However. this assumption no longer holds true in an era dominated by ransomware, supply chain attacks and increasingly sophisticated cyber criminals. Today, organisations are beginning to realise that recovering from a cyberattack is fundamentally different from recovering from a traditional disaster. This has given rise to a specialised discipline known as cyber recovery. While the two concepts are closely related, they are not interchangeable. Understanding the difference is becoming essential for businesses of every size.
What is disaster recovery?
Disaster recovery, often abbreviated to DR, refers to the processes, technologies and plans used to restore IT systems following any significant disruption. The disruption could be caused by almost anything, including hardware failures, software issues, power outages, natural disasters, accidental deletion of data or human error. The objective is simple: restore systems and minimise downtime so the organisation can continue operating. Traditional disaster recovery strategies typically include replicated infrastructure, backup systems, secondary data centres, cloud failover capabilities and documented recovery procedures. Organisations also define recovery objectives, such as how quickly systems should be restored and how much data loss is acceptable. For decades, this approach has provided an effective response to operational disruptions because the underlying assumption has always been that the backup data itself could be trusted.
The challenge modern cyber threats have introduced
Cyberattacks have changed the recovery equation completely. Modern ransomware groups rarely limit themselves to encrypting production systems. They spend days or even weeks moving through an organisation’s network, identifying backup servers, compromising administrative accounts and targeting recovery infrastructure before launching the attack. The result is that organisations often discover their backups have also been encrypted, deleted or quietly infected with malware. In these situations, simply restoring data from yesterday’s backup may reintroduce malicious software straight back into production. Even worse, replicated systems may have faithfully copied the compromised data across multiple locations. The question is no longer simply whether data can be restored. It becomes whether the restored environment can actually be trusted.
What is cyber recovery?
Cyber recovery focuses specifically on recovering from malicious cyber incidents while ensuring that the recovered environment is clean, uncompromised and safe to return to production. Rather than concentrating solely on speed, cyber recovery prioritises trust and integrity. A modern cyber recovery strategy often includes isolated recovery vaults that cannot be accessed from production networks, immutable backups that cannot be modified or encrypted, malware scanning before restoration, forensic investigation of affected systems and staged recovery procedures designed to prevent reinfection. Instead of asking, “How quickly can we restore our systems?”, cyber recovery asks, “How can we restore our systems without restoring the attack?” That subtle difference changes everything.
How disaster recovery and cyber recovery work together
One of the biggest misconceptions is that cyber recovery replaces disaster recovery. It does not. Cyber recovery sits within a broader disaster recovery strategy as a specialised capability designed to deal with cyber incidents. Think of disaster recovery as the umbrella covering all forms of operational disruption. Under that umbrella are responses to hardware failures, power outages, software corruption, natural disasters and cyberattacks. Cyber recovery addresses just one category of disaster, but it requires additional safeguards because malicious attacks deliberately target the recovery process itself. In practice, organisations need both. If a storage array fails unexpectedly, traditional disaster recovery processes may restore services within minutes. If ransomware has compromised every connected backup and replicated environment, cyber recovery provides the trusted recovery path that disaster recovery alone cannot.
Why immutable backups have become so important
One of the defining features of modern cyber recovery is the use of immutable backups. An immutable backup cannot be altered, deleted or encrypted during its retention period, even by privileged administrators or attackers who have gained access to the production environment. This provides organisations with a recovery point that remains trustworthy even after a significant cyberattack. Combined with isolated recovery environments, immutable storage dramatically increases the likelihood that critical data remains available when everything else has been compromised. It is one of the reasons why many organisations are redesigning backup architectures to include cyber recovery capabilities alongside their existing disaster recovery platforms.
Cyber resilience goes beyond technology
Technology alone is not enough. Successful cyber recovery also depends on governance, testing and well-practised response plans. Recovery procedures should be exercised regularly under realistic attack scenarios. Security teams, infrastructure teams, executive leadership and communications teams all need clearly defined responsibilities before an incident occurs. Organisations that rehearse cyber recovery often identify weaknesses long before an attacker does. Those that do not frequently discover gaps only when every minute of downtime is costing money, reputation and customer trust.
The future of recovery
The distinction between disaster recovery and cyber recovery will continue to grow as cyber threats become more sophisticated. Businesses can no longer assume that backups are automatically safe simply because they exist. Recovery now depends not only on having copies of data, but on knowing those copies remain clean, isolated and protected from attackers. Disaster recovery remains essential because organisations will always face equipment failures, environmental incidents and operational disruptions, while cyber recovery builds on that foundation by recognising that today’s adversaries deliberately target recovery systems themselves. Together they form the backbone of modern cyber resilience, ensuring that organisations can recover not only quickly, but safely.
FAQs
Is cyber recovery the same as disaster recovery?
No. Disaster recovery covers recovery from all types of disruptions, while cyber recovery focuses specifically on recovering safely after malicious cyber incidents such as ransomware or destructive malware attacks.
Does every organisation need cyber recovery?
Any organisation that relies on digital systems and stores valuable data should consider cyber recovery capabilities as part of its overall resilience strategy. The level of investment will depend on risk, regulatory requirements and business criticality.
Can traditional backups stop ransomware?
Traditional backups remain important but may be vulnerable if attackers gain access to backup infrastructure. Modern cyber recovery strategies often include immutable and isolated backups that cannot easily be altered or encrypted.
What are immutable backups?
Immutable backups are copies of data that cannot be modified, deleted or encrypted for a defined retention period, providing a trusted recovery point following a cyberattack.
Is cyber recovery part of business continuity?
Yes. Business continuity is the overarching strategy for keeping an organisation operating. Disaster recovery supports business continuity by restoring IT services, and cyber recovery is a specialised component of disaster recovery focused on recovering from cyberattacks.
References
- National Institute of Standards and Technology Cybersecurity Framework (CSF) 2.0
- National Cyber Security Centre guidance on ransomware resilience
- International Organization for Standardization 22301 (Business Continuity Management)
- International Organization for Standardization 27001 (Information Security Management)
