Because most companies in today's technological world rely heavily on computer networks to store and manage data when a system "crashes" or a hard drive is damaged, the result can be catastrophic. Data Recovery companies can recover much if not all information from damaged hard drives. There are various causes for a hard drive crash including computer viruses and system failures. Data Recovery companies are specialized in recovering lost data regardless of cause and can get back the valuable lost information. Data Recovery companies can also recover information from media such as magnetic discs or tapes in the event of damage. There are both companies and software that specialize in Data Recovery.