Data Backup and Restoration
In IT, a backup, or data backup, is a copy of computer data taken and generally stored in a remote location to be used later to restore the original data after a data loss event. Data loss can be the result of any number of internal or external factors, including computer viruses, hardware failure, file corruption caused by fire, natural calamities, and hacking attacks.
An organization should have a documented backup and recovery policy in place that clearly identifies the type of data and information for which backups are mandatory. The backup policy should be approved by senior management. It should have clear and specific instructions regarding the organization’s backup and retention procedure.
The following section will take you through the different types of backup strategies.
Types of Backup Strategy
The CISA Review Manual (CRM) covers the following types of backup strategies:
- Backup of the full database
- Backup of new...
