May 30, 2023
Data Backup

Sudo paratech Ajinkya Kadam

Nowadays the data backup is one of the most important things. So today we will talk about an important concepts. Which really needs if you want to learn Hacking.

Data Backup

Data Backup
Data Backup

The data is the heart of any organization; data loss can be very costly as it may have a financial impact on any organization. Backup is the process of making a duplicate copy of critical data that can be used to restore and serve towards the recovery purpose. when a primary copy is lost or corrupted either accidentally or on purpose. Data backup plays a crucial role in maintaining failures, application failures, security breaches, human error or deliberate sabotage, etc. All regulatory compliance such as COBIT, SSAE SOCII, PCI-DSS, HIPPA, SOX, FINRA, FISMA, EU, General data protection Regulation (GDPR), etc. require businesses to maintains data backups of critical data for a specified duration.

Also Read What Data Leakage Risks And It’s Threats

Data backup is mainly used for two purposes: To reinstate a system to in its normal working state after damage or to recover data and information after a data loss or data corruption. Data loss in an organization affects the financial, customer relationship, and company data. Data loss in personal computers may lead to a loss of personal files, images, and other important documents saved in the system.

Backup Strategy/Plan

An ideal backup strategy includes steps ranging from selecting the right data to conducting a drill test data restoration.

Also read : How to hack Facebook Account 2020

Identifying the critical business data

Every organization has an abundance of data. The criticality of the data is based on the importance it serves to the organization’s proper functioning. The critical data may consist of revenue, emerging trends, market plans, databases, files including documents, spreadsheet, e-mails, etc. and loss of such critical data can affect the organization immensely. Therefore, an organization should identify critical data or files that require backup.

Selecting the backup media

Choosing backup media is a common concern within most organizations. Backup media selection depends on the type and amount of data the backup will consist of. With a better and well thought out plan, selecting the proper media enables a better level of data backup. Whereas the selection of the wrong media devices. At times, data backup also consumes a large amount of space and therefore, attention is required while selecting the best backup media for the situation and fulfillment of the needs of the organization.

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Selecting a backup technology

Choosing proper backup technology plays a major role in backup strategy planing. Organizations need to select proper backup technology that acquires the ability to restore, recover and maintain the availability of its services whenever needed.

Selecting the appropriate RAID levels

Many organizations depend on RAID technology for handling their critical backup needs, especially with the increases in data flow and data volume. Organizations are expanding their networks in order to improve their productivity in the market. However, this additional increase can cause network bottlenecks. The probability of losing data due to a disaster, threats, mistakes, and hardware failure hamper an organization’s ability to grow. RFID technology overcomes these situations providing an option for data availability, high performance, efficient, and accessible recovery options without a loss of data. selection of any RAID level should be based on the needs of the organization and features offered by each level.

Selecting an appropriate RAID levels

Organizations can choose any backup method depending on their budget and IT infrastructure. The different types of data methods are:

Hot backup

A hot backup is a popular type of backup method. It is also called as a dynamic backup or active-backup. In a hot backup, the system continues to perform the backup process even if the user is accessing the system. Implementation of a hot backup in an organization avoids downtime.

Cold backup

A cold backup is also called an offline backup. The cold backup takes place when the system is not working or is not accessible by users. A cold backup is the safest method of backup as it avoids the risk of copying the data. A cold backup involves downtime, as the users cannot use the machine until the process is back online.

Warm backup

A warm backup, also called a nearline backup, will have connectivity to the network. In a warm backup, the system updates are turned on to receive periodic updates. It is beneficial when mirroring or duplicating data.

Choosing a backup location

Organizations can choose any backup location depending on their budget and IT infrastructure. the different types of data backup locations are:

Onsite data backup

This type of backup is performed within the organization. Onsite backup uses external devices such as a tape drive, DVD, hard disk, etc. The choice of external storage will depend on the amount of data to be backed up.

Offsite data backup

In an offsite backup, the backup is done at a remote location. It either stores the data on physical drives, online or third-party backup service. Storing the data online helps have update data backup available.

Cloud data backup

A cloud backup is also known as online backup. It involves storing the backup on a public network or on a proprietary server. Usually, a third-party service provider hosts the proprietary server. The backup process in a cloud data backup works according to the requirements of the organization. If the organization needs the backup on a daily basis, the proprietary server will run a daily backup. Usually, any non-critical data is archived using a cloud data backup.

Selecting the backup types

An appropriate backup type is the one that does not add a major impact to the bandwidth, cost, time required and the resources of the organization. The three most common backup types are full, differential and incremental.

Full backup

It is also called a normal backup. The full backup occurs automatically according to a set schedule. It copies all the files and compresses them to save space. A full backup provides efficient data protection to the copied data.

Incremental backup

Backups only the data that has changed since the last backup. The last backup can be any type of backup. Before an incremental backup can be performed, the system should be backed up using a full or normal backup.

Differential backup

Differential backup is the combination of a full backup and an incremental backup. A differential backup backs up all the changes made since the last full backup.

Choosing the right backup solution

Choosing an appropriate backup solution is essential for efficient and effective backups. Data loss is avoidable to an extent with excellent backup solutions.

Conducting a recovery drill test

An organization performs a drill test to validate it has a foolproof and updated DR plan. Having chosen the appropriate backup solutions, it is advised to perform a recovery drill test at least once or twice a year, depending on the size of the organization.

Ajinkya Kadam

9 thoughts on “Data Backup And Backup Strategy/Plan

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