Good morning dear readers of Tecnogalaxy, today we will talk about how you can recover data when you are hit by a ransomware attack.

We live in a digital age based on data where they are the lifeblood of organizations and increasingly a successful goal for cybercriminals. Keeping out cybercriminals is almost impossible because of the number of security vulnerabilities in operating systems and software and with the increased attack surface of remote workers. When ransomware hits, the only resource is to have a secure backup of your data.

WHAT TO DO WHEN YOU GET HIT WITH RANSOMWARE

Let’s examine the key features your data protection solution needs to provide to survive and recover from a ransomware attack:

1. BACKUP

To ensure that backups are available for data recovery, data backups should use the 3-2-1 backup rule and preferably with a new twist to make it a 3-2-1-1 rule. The 3-2-1 backup rule is an established data protection strategy that says your company should have at least three copies of your data, on two different types of storage media, with one of the offsite or cloud copies. Without backups from which to restore and the offsite copy of the ransomware cannot reach, you may be forced to pay the ransom to get your data back.

2. SECURE BACKUPS

Data protection is the last line of defense when it comes to ransomware attacks. If your backups reside on the same network or storage system where your production data resides, they are also vulnerable to attack. Hackers have become more sophisticated and one of the first things they do is search for and remove all backups so that data recovery is not possible. Having backups in the cloud and therefore that the hacker cannot reach, ensures that your data can be recovered.

3. PERIODIC RESET POINTS TO GO BACK

Backing up your data is one thing, but if you only back up once a week and the ransomware hits on day 6, you only have a restore point of 6 days ago, thus losing many days of data. It is therefore crucial that backups are performed regularly and that data snapshots or point-in-time copies of data are taken as often as possible.

4. BACKUPS COMPATIBLE WITH THE APPLICATION WITH VERIFICATION

Applications that use databases require additional attention if their data is protected only by the actual database files themselves. When ransomware occurs, a multi-step process is required to restore applications to the point where they can be reused with minimal disruption to the business. It is therefore important to have an application backup that also protects application metadata and ensures the correct recovery of application servers.

5. NOTIFICATION TO GIVE NOTICENOTIFICATION TO GIVE NOTICE

In normal operations, the incremental data backup size has relatively small amounts of changes between complete backup cycles. When ransomware hits and data is encrypted, the size of incremental backups suddenly becomes much more like a full backup. Modern data protection products can keep track of these changes and report if the backup size is unexpectedly much larger and notify the backup/security administrator of this anomaly.

CONCLUSION ON RANSOMWARE

Implementing and complying with these basic data protection processes will help ensure that you survive a ransomware attack. Ensuring data protection is well defined and that data restore points are verified to be recoverable is critical for restoring data from verified backup instances.

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