During a heavy storm, lightning struck an office building that houses the data center of a small accounting firm. The lightning caused a fire that interrupted the electricity supply to the building and damaged some of the computer hardware and office equipment. The fluctuations in the power supply caused the file server to power down. All of this occurred while the backups were being made, rendering the backup unusable. To save money, the company's backups are always made on the same storage media, re-using the same media every time a backup is made. Identify the weaknesses in the firm's backup process and disaster recovery procedures