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Why one-pass data wiping is enough

Posted: Mon Apr 06, 2015 1:08 pm
by Alt
An excellent article explaining why only one data wiping pass is enough to completely and irrecoverably destroy data.
The Urban Legend of Multipass Hard Disk Overwrite.

Re: Why one-pass data wiping is enough

Posted: Sat Apr 02, 2016 9:06 pm
by stardust
So I went overboard when I overwrote my 4-TB HDD 6 times before RMAing it recently? I wish I had read this first.

Re: Why one-pass data wiping is enough

Posted: Mon Nov 18, 2019 10:06 am
by maggy_mayday
A useful and well-referenced article but we are 8 years down the road now and I think it's correct to say that all recognised sec standards require > 1 pass

Re: Why one-pass data wiping is enough

Posted: Mon Nov 18, 2019 11:17 am
by Alt
maggy_mayday wrote:
Mon Nov 18, 2019 10:06 am
A useful and well-referenced article but we are 8 years down the road now and I think it's correct to say that all recognised sec standards require > 1 pass
All wiping algorithms are irrelevant if you have an SSD storage device.