A data backup is simply a copy of computer data taken and stored somewhere else so that in the event of data loss it can be used to restore the original information. Having good reliable backups is one of the most important things in making your company resilient to cyberattacks, common attacks like ransomware are significantly less impactful if you have good quality backups that you can use to restore your data.
What are data backups important?
Information is the lifeblood of your business and you don’t want a situation where a single mistake can cause you to lose an important piece of information forever. Data backups give you that reassurance that if something ever happens to your systems that you can recover and keep your business going. This isn’t important for just cyberattacks but physical damage to your servers, natural disasters, disgruntled employees sabotage, and any other type of event that may damage your systems. Lastly, some compliance regulations require that you have data backups and that you protect them with encryption and other forms of security to make sure that customer and business information isn’t lost in the event of a disaster. No matter how big or small your business is, I would suggest that you invest in doing regular backups to make sure that you retain your business’s information. Here are some guiding principles for making good data backups:
Store them Offsite: You should have copies of your data backups that are offsite and not connected to your network in any way. That way even if your company is infected with ransomware or any other type of malware that may corrupt the information, you will be able to recover quickly.
Take Backups Regularly: For your backups to be valuable they need to be up to date. You should be doing backups at least weekly, if the information is business-critical then it should be backed up daily if at all possible so that you don’t run the risk of losing information that could cause your business to cease operation.
Practice Restoring from Backups: Your backups are only useful if you know how to restore from them. You should regularly do tests and simulations to ensure that you know how to restore quickly from the backups you do have, otherwise, they are useless. Many companies make the mistake that they make regular backups, but their staff doesn’t even know how to use it when they need to.
Don’t save all your backups to the same piece of hardware: Another common mistake is to put multiple backups on the same piece of hardware or the same physical location. You want to have your backups spread across different physical locations so that if there is some type of natural disaster or any damage falls on that hardware that you don’t have a single point of failure.
A good rule of thumb for remembering these principles is known as the 3-2-1 backup principle:
Source @ securityboulevard
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