IT disaster recovery is your plan for getting systems and data back up and running after something goes wrong, whether that is ransomware, a failed server, accidental deletion or a flooded office. For a small business, the difference between a good recovery plan and none at all can be the difference between a bad day and a closed business. Here is what you need to know.
In short, IT disaster recovery is how you get systems and data back after ransomware, a failure or accidental deletion. The NCSC guidance on backing up your data underpins any good plan.
What is IT disaster recovery?
IT disaster recovery is the set of tools and procedures that restore your technology after a disruptive event. It is the IT focused part of wider business continuity planning, and it answers a simple question: if we lost access to our systems and data right now, how would we get them back, and how fast?
Why small businesses are especially at risk
Smaller businesses are targeted by cyber criminals precisely because their defences are often weaker, and they have less financial cushion to survive extended downtime. A single ransomware attack or server failure without a tested recovery plan can wipe out records, halt trading and cost far more than the protection would have. The good news is that solid recovery is well within reach for any SME.
The building blocks of a recovery plan
- Reliable, automated backups: your data backed up regularly, with copies held offsite or in the cloud.
- The 3-2-1 rule: three copies of your data, on two types of media, with one kept offsite.
- Recovery targets: how quickly systems must return (recovery time) and how much data you can afford to lose (recovery point).
- Tested restores: proof that you can actually recover the data, not just back it up.
- A documented plan: who does what, in what order, when the worst happens.
Backup is not the same as disaster recovery
This trips up a lot of businesses. A backup is a copy of your data. Disaster recovery is the whole process of getting your business operational again, which includes the backups but also the systems, the order of restoration and the people. You can have backups and still have no recovery plan. Reliable backup and disaster recovery ties the two together.
Protecting against ransomware
Ransomware is now the most common disaster IT teams face. The defence is layered: strong security and staff awareness to reduce the chance of infection, plus offline or immutable backups that ransomware cannot encrypt, so you can restore rather than pay. Certification such as Cyber Essentials helps put the preventative controls in place.
How to test your recovery plan
- Schedule regular test restores from your backups.
- Time how long a full recovery actually takes, and compare it to your target.
- Run a tabletop exercise of a realistic scenario with the team.
- Fix the gaps you find, and review the plan whenever systems change.
How ATS Connection can help
We set up and manage reliable backup and disaster recovery for small businesses across West Sussex, including Chichester IT support,, with tested restores and proactive IT support that reduces the risk of disaster in the first place. Get a quote or call 01903 255 159.
Frequently asked questions
What is IT disaster recovery?
It is the tools and procedures for restoring your IT systems and data after a disruptive event such as ransomware, a server failure or accidental deletion, so the business can get back to work.
Is a backup the same as disaster recovery?
No. A backup is a copy of your data. Disaster recovery is the whole process of getting your business operational again, which uses backups but also covers systems, order of restoration and people.
What is the 3-2-1 backup rule?
Keep three copies of your data, on two different types of media, with at least one copy stored offsite or in the cloud. It protects you if any single copy or location is lost.
How can I protect my business from ransomware?
Use layered security and staff training to reduce infection risk, keep offline or immutable backups that ransomware cannot encrypt, and test that you can restore from them.
How often should I test my disaster recovery plan?
Regularly, and at least once a year, plus whenever your systems change. Test restores are the only way to be sure your backups and plan actually work.