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Re: What is the universal (world wide) understanding behind degaussing harddisks?

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On 03/04/18 02:08, Roberto C. Sánchez wrote:
> Also, the ATA enhanced erase is, as far as I know, the best option for
> wiping an SSD.

+1. It may also erase things like reserved space and bad blocks that are 
not visible via the block device and thus immune to shred.

ATA security erase is the facility provided by the manufacturer and I 
would tend to take their advice on how to securely erase their product. 
This should be sufficient for all commercial users. Paranoid national 
security users will require pulverisation of the physical media.

My preferred approach is to encrypt all content (e.g. LUKS) before 
writing to any media, to provide an additional layer of protection.

Kind regards,

-- 
Ben Caradoc-Davies <ben@transient.nz>
Director
Transient Software Limited <https://transient.nz/>
New Zealand

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Thread

What is the universal (world wide) understanding behind degaussing harddisks? Turritopsis Dohrnii Teo En Ming <tdteoenming@gmail.com> - 2018-04-02 15:50 +0200
  Re: What is the universal (world wide) understanding behind  degaussing harddisks? Roberto C. Sánchez <roberto@debian.org> - 2018-04-02 16:10 +0200
    Re: What is the universal (world wide) understanding behind  degaussing harddisks? Ben Caradoc-Davies <ben@transient.nz> - 2018-04-02 23:30 +0200
  Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 17:50 +0200
    Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 18:30 +0200
      Re: What is the universal (world wide) understanding behind  degaussing harddisks? Curt <curty@free.fr> - 2018-04-02 19:20 +0200
        Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 19:30 +0200
        Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 20:10 +0200
          Re: What is the universal (world wide) understanding behind  degaussing harddisks? David Wright <deblis@lionunicorn.co.uk> - 2018-04-03 17:20 +0200
            Re: What is the universal (world wide) understanding behind   degaussing harddisks? Dan Purgert <dan@djph.net> - 2018-04-03 18:00 +0200
      Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 19:30 +0200
        Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 21:50 +0200
  Re: What is the universal (world wide) understanding behind degaussing harddisks? rhkramer@gmail.com - 2018-04-02 19:40 +0200

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