tsutton wrote in software

Datawiping doesn't work

eTesting Labs has run a series of tests of eight commercial available diskwiping products - and only one of them worked properly.

This is Redemtech Data Erasure, from the company which
contracted eTesting to run the trials. So the results should be treated with caution. The eight products were run on six variously configured PCs.

More at http://www.theregister.co.uk/content/54/25034.html