Secure disk erasing mean preventing somebody to retrieve deleted data using professional tool and equipment. Secure disk erasing protects You from unauthorized retrieving and reading data you think you have deleted. Sometime you may need to permanently delete data from some drives and our specialist will tak care of that. No one and nowhere will get that data back. It will be erased forever.

There are 3 ways to permanent destroy data:

1.  Repeatedly deleting content of the drive and write a random data on that using a specialist computer program. The program is deleting, formatting and writing a random data for over 100 times...to make sure no one get that data back. God point of using that method is that you can still use that drive.
2. Destroy all content of the drive using strong magnetic field. Using that method You can be sure no one will get data back. The bad point is - You can't use the drive, because it has been already damaged.

Completely destroy the drive. No one can even say that some day it was a hard drive:)