On Thu, Sep 27, 2012 at 07:10:29PM +0900, Carsten Haitzler wrote:
> here's the question... this is pretty lame security-wise. shouldn't we be
> military/cia/nsa spec and overwrite it at least 7 times? :) oh and this will
> probably/possible get screwed by logging fs's or flash media that may shuffle
> the blocks around on write :) ie it wont help.

It's generally lame. Overwriting once with 0s is enough for pretty much
any basic recovery attempt. Anything involving direct physical scans of
the disk is *much* harder (if possible at all) to defend against.

Joerg

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