They are so important because of the following reasons:

• Data is always the target and remain vulnerable to various threats
• Un-reliable on hardware and software programs
• Importance of the data
• Critical downtime
• It all depends on the amount of time it takes to redo the work. If it’s minor; then it can be ignored. If this is a major data loss, it may take several business days and it could feasibly end up in a heavy loss for the organization.