Leading Causes of Data Loss
Despite technological advances in the reliability of magnetic storage media, data loss continues to rise, making data recovery more important than ever.
The nature of the lost data is critical, and the cost of lost data is substantial. As reliance on information and data as economic drivers for businesses continues to increase, owners and managers are subject to new risks. One study reports that a company that experiences a computer outage lasting for more than 10 days will never fully recover financially and that 50 percent of companies suffering such a predicament will be out of business within 5 years.
Hardware or System Malfunctions |
44% |
Human Error |
32% |
Software Corruption |
14% |
Computer Viruses |
7% |
Natural Disasters |
3% |
Data Loss Description* Hardware Failure 44% * Human Error 32% * Software Corruption 14% * Computer Virus 7% * Natural Disaster 3%

Hardware Failure 44%Estimates suggest that the most common cause of data loss is hardware failure, accounting for 44 percent of data loss incidents. These include losses due to hard drive failure and power surges.

Human Error 32%Human error accounts for 32 percent of data loss episodes, which include the accidental deletion of data as well as accidental damage done to the hardware, such as damage caused by dropping a laptop.

Software Corruption 14%Software corruption, which might include damage caused by a software diagnostic program, accounts for 14 percent of data loss incidents.

Computer Virus 7%Computer viruses, including boot sector and file infecting viruses, account for 7 percent of data loss episodes.

Natural Disaster 3%Finally, hardware destruction, which includes damage caused by floods, lightning and fire, accounts for 3 percent of all data loss episodes.
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