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Comparison of various data destruction approaches

Ryk Edelstein, Contributor
01.02.2008
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Critical requirements	Digital Shredder: Secure Erase	Commercial software	Degaussing machine	Mechanical destruction
Destroys data beyond forensic reconstruction	Yes	No	Uncertain¹	Uncertain ⁴
Ensures Absolute care custody and control of the process	Yes	Yes	Uncertain ²	No
Provides certification with a defendable audit trail	Yes	No	No ³	No
Easy to install and implement	Yes	No	No	No
Reformat 7 reimage drive for potential reuse	Yes	Yes	No	No

1. Degaussing machines may not produce a strong enough magnetic field to destroy all of the data.

2. In many cases, degaussing is a third party process.

3. Since the degaussing process disables the hard drive, there is no way to test the process to ensure that the data is gone.

4. Depends on the extent to which the disks have been shredded.

Go back to Appliance-based digital shredding for data destruction.

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