78% Hardware or System Malfunction
11% Human Error
7% Software Corruption or Program Malfunction
2% Computer Viruses
1% Natural Disasters
 
A hard drive crashes every 15 seconds
2,000 laptops are stolen or lost every day
32% of data loss is caused by human error
31% of PC users have lost all of their PC files to events beyond their control
25% of lost data is due to the failure of a portable drive
44% of data loss caused by mechanical failures
15% or more of laptops are stolen or suffer hard drive failures
1 in 5 computers suffer a fatal hard drive crash during their lifetime
The overall average failure rate of disk and tape drives is 100% - all drives eventually fail