Ask Leo: Secure Delete – What is it and do I need it?


By Leo Notenboom

Although there are many software utilities that claim to be
able to delete data files from hard drives securely and
thoroughly, can’t you accomplish the same thing simply by
overwriting sensitive files with large, non-sensitive ones?

To be honest, it depends on your level of paranoia. I
suppose that also depend on the level of sensitivity of your

But you are correct in the implication that a plain old
“delete” isn’t nearly enough.

Let’s look at that, and how far you might need to go.

Continue reading