#7052
When the system deletes files, it does not actually remove them; instead, it simply marks the disk space they occupied as available for reuse. As a result, files you believe to be deleted can often be recovered using specialized tools and techniques. This poses a risk to your confidentiality and security if those files contain private information.

#4492
To thoroughly destroy the data on hard disk, formatting the whole disk or deleting the entire partition is not reliable and even a invalid method. Because these operations only get the file marks on the disk removed, whereas the files themselves are still there, noting changed. That means many software that can read and repair the DPT (Disk Partition Table) and MFT (Master File Table) will be able to easily and quickly recover any disk data that is not covered yet.

#4480
When phasing out the use of hard disk and other devices storing digital data, for ordinary users, the private data inside should be erased effectively in order to avoid the abuse or leakage of privacy made by people with ulterior motives; for enterprises and institutions, the data is often very important, sensitive and confidential, so that they must be destroyed strictly. To do this, we have to turn to some third party professional data sanitizing tools, because deleting the data itself and formatting the entire disk are all futile.

#2753
After all kinds of information leak events, more and more people or companies began to realize the common ways to delete important data is unadvisable. Because that only removes the corresponding data's records from the File Allocation Table, while all data is still intact on the hard drive. Just because of this, many software can restore the data with ease.

#574
Like WipeFile, WipeDisk is powerful and free file deleting/destroying applet, easy, secure and fast! The difference is, WipeDisk can delete all files on physical and logical disks (including complete hard disk or single partition).