Disaster recovery is the process of restoring the normal operations of a computer system after a major disruption caused by natural or human-induced events. Disaster recovery aims to minimize the impact of such events on the business continuity, data integrity, and customer satisfaction. Some of the services that computer disaster recovery provides are:

- Data backup and restoration: This involves creating copies of the critical data and storing them in a secure location, such as a cloud server or an external hard drive. Data backup and restoration ensures that the data can be retrieved in case of data loss or corruption due to hardware failure, malware attack, or accidental deletion.

- System recovery and reconfiguration: This involves restoring the functionality and configuration of the computer system after a hardware or software failure. System recovery and reconfiguration may involve repairing or replacing the damaged components, reinstalling the operating system and applications, or restoring the system settings and preferences.

- Disaster recovery planning and testing: This involves developing and implementing a plan that outlines the steps and procedures to follow in case of a computer disaster. Disaster recovery planning and testing helps to identify the potential risks and vulnerabilities, define the roles and responsibilities of the staff, establish the communication channels and protocols, and determine the recovery objectives and priorities. Disaster recovery planning and testing also involves conducting regular drills and simulations to evaluate the effectiveness and readiness of the plan.

Disaster recovery is important for any organization that relies on computer systems for its daily operations and helps to reduce the downtime, costs, and losses associated with disasters. Having a solid disaster recovery plan helps to maintain the reputation, trust, and loyalty of the customers and stakeholders.