Is dban boot and nuke the best data removal tool...

Is dban boot and nuke the best data removal tool? I've heard that just one pass of zeros is enough to permanently kill everything.

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>atm machine

Does anybody have a none cretinous answer? I've heard HDDerase is also good

shred
dd

>cretinous
Go read some more pretentious books, nerd.

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Why wouldn't 1 pass of zeros destroy all data?

you can use dd as well and it lives up to its namesake.

Data might have large chunks of relevant zeros beforehand, making recovery easier

How could you recover data if every bit is 0?

So what tool and method is best?

Nice try, NSA.

1 pass of zeros is about as good as you can wipe a ssd, is what I read. multi passes with shred or some other util if you use spinning rust.

>dd if=/dev/random of=/dev/sda
>dd if=/dev/zero of=/dev/sda
>install gentoo

Is multi pass needed? Isn't one enough?

You may or may not be able to recover zeroed data by using for example off-track reads (basically misaligning the head a couple percent to catch magnetic residue), it's highly unlikely to work with modern hard drives tho.

You don't DBAN or Zero-Write SSDs, you use secure erase.

youtube.com/watch?v=gZEdDMQZaCU

Anything that isn't total physical annihilation of the drive is placebo.
By that I mean drive shredder then melt the pieces in a thermite fire.

I usually do the few passes of 1 and 0 and then the random write, takes forever but no data will be recoverable.

>I've heard that just one pass of zeros is enough to permanently kill everything.
You heard wrong. It's trivially easy to recover pretty much everything perfectly. You should do it with 1s and 0s randomly instead.