Many people believe formatting the drive or deleting
the file will complete delete information from the
drive. Actually that is not so. A real deleting of
files on drives is only possible through a complete
overwrite of the original files with (meaningless)
data. A simple delete as executed by all OSes makes
files only non accessible on the OS and application
program level (the file names are gone). But the fact
is, that the complete contents of all that files are
still there, waiting to be completely recovered, at
least as long as they are not overwritten by new
files. Formatting in most cases will rebuild file
allocation data but all information still present on
the drive. It means that your confidential information
can be easily recovered with data recovery software.
There is only one way to prevent problems with the
data you thought was deleted. You need to use wiping
solution. Your private photos, passwords, financial
records and other confidential documents aren't safe!

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