Why one-pass data wiping is enough

A place to discuss data and privacy protection, file and disk wipe, computer cleaning, and removing traces of user activity with R-Wipe & Clean.
Forum rules
Discussion on the R-Wipe & Clean and R-Crypto software
Post Reply
Alt
Site Moderator
Posts: 3298
Joined: Tue Nov 11, 2008 2:13 pm
Contact:

Why one-pass data wiping is enough

Post by Alt » Mon Apr 06, 2015 1:08 pm

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.

stardust
Posts: 36
Joined: Sat Apr 02, 2016 12:42 am

Re: Why one-pass data wiping is enough

Post by stardust » Sat Apr 02, 2016 9:06 pm

So I went overboard when I overwrote my 4-TB HDD 6 times before RMAing it recently? I wish I had read this first.

maggy_mayday
Posts: 1
Joined: Mon Nov 18, 2019 9:44 am

Re: Why one-pass data wiping is enough

Post by maggy_mayday » 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

Alt
Site Moderator
Posts: 3298
Joined: Tue Nov 11, 2008 2:13 pm
Contact:

Re: Why one-pass data wiping is enough

Post by Alt » Mon Nov 18, 2019 11:17 am

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.

Post Reply