Northbridge Insurance and the Northbridge Insurance logo are trademarks of Northbridge Financial Corporation, licensed by Northbridge General Insurance Corporation (insurer of Northbridge Insurance policies). This bulletin is provided for information only and is not a substitute for professional advice. We make no representations or warranties regarding the accuracy or completeness of the information and will not be responsible for any loss arising out of reliance on the information. [3818-11-ed01E] 5 QUESTIONS TO GUIDE YOUR DATA BACKUP STRATEGY Is it private? Is it sensitive? Is it irreplaceable? Any data that fits these descriptions should be backed up. Instead of picking and choosing, look at your data as an autonomous body of information, and treat it all with care. 1 What data should I back up? Plan to back up each day’s transactions at least once daily, and conduct a full backup every week. Does your data change very often? You may need to accelerate the frequency of your backups. 2 How often should I back up my company’s data? There are three main types of data backups: full, incremental, and differential. Which kind of backup do you need? That depends on how much data you’re dealing with and how many resources you have. 3 What are some different approaches to backing up data? Testing the integrity of your data is crucial. Regularly scheduled check-ups each quarter will help you ensure your data is intact, plus you can confirm that the data is being backed up at your chosen interval. 5 I’ve backed up my data – are all my bases covered now? Consider the 3-2-1 rule: keep three independent copies of the data stored on two different types of media, and keep one offsite. But you can be extra cautious and opt for a 3-2-2 or 3-2-3 approach instead. 4 Where should I store my data backup? Full Backup Copies your entire data set. x3 copies x2 media x1 offsite Incremental Backup Copies all data that’s changed since your last backup. Differential Backup Copies all data that’s changed since your last full backup.

5 QUESTIONS TO GUIDE · YOUR DATA BACKUP STRATEGY Is it private? Is it sensitive? Is it irreplaceable? Any data that ﬁts these descriptions should be backed up. Instead of picking

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5 QUESTIONS TO GUIDE YOUR DATA BACKUP STRATEGY

Is it private? Is it sensitive? Is it irreplaceable? Any data that fits these descriptions should be backed up.

Instead of picking and choosing, look at your data as an autonomous body of information, and treat it all with care.

1 What data should I back up?

Plan to back up each day’s transactions at least once daily, and conduct a full backup every week.

Does your data change very often? You may need to accelerate the frequency of your backups.

2 How often should I back up my company’s data?

There are three main types of data backups: full, incremental, and di�erential.

Which kind of backup do you need? That depends on how much data you’re dealing with and how many resources you have.

3 What are some di�erent approaches to backing up data?

Testing the integrity of your data is crucial.

Regularly scheduled check-ups each quarter will help you ensure your data is intact, plus you can confirm that the data is being backed up at your chosen interval.

5 I’ve backed up my data – are all my bases covered now?

Consider the 3-2-1 rule: keep three independent copies of the data stored on two di�erent types of media, and keep one o�site.

But you can be extra cautious and opt for a 3-2-2 or 3-2-3 approach instead.

4 Where should I store my data backup?

Full BackupCopies your entire data set.

x3 copies x2 media x1 o�site

Incremental BackupCopies all data that’s changed since your last backup.

Di�erential BackupCopies all data that’s changed since your last full backup.