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athena
 Post subject: SSD eraser question
PostPosted: December 8th, 2024, 8:13 
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Joined: May 30th, 2014, 0:54
Posts: 152
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Hi
I have got a work of secure eraser work of 100 odd ssd's
Unlike CMR hard disks there is no chances of remnant data recovery on defect lists with SSD.
I would like to know is it technically ok to single pass overwrite., so that I can quote for the same.
Thank you.
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Arch Stanton
 Post subject: Re: SSD eraser question
PostPosted: December 8th, 2024, 8:43 
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Joined: May 13th, 2019, 7:50
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Location: Nederland
Single pass overwrite potentially leaves you with overprovisioned space. Writing zeros potentially leaves you with lots of unaffected data due to advanced firmware detecting zeros and simply add place-holders in FTL. Zero filling overwriting virtually nothing due to firmware level compression. Why not use built-in secure erase, crypto erase etc.?

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athena
 Post subject: Re: SSD eraser question
PostPosted: December 8th, 2024, 11:17 
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Arch Stanton wrote:
Single pass overwrite potentially leaves you with overprovisioned space. Writing zeros potentially leaves you with lots of unaffected data due to advanced firmware detecting zeros and simply add place-holders in FTL. Zero filling overwriting virtually nothing due to firmware level compression. Why not use built-in secure erase, crypto erase etc.?

Thanks a lot Joep
Do I need third party tools or manufacturer utility
to initiate secure eraser.
Cusomer wants reports of each eraser like model, fw, sn, erasing date / time
Technique used and time required etc.
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Arch Stanton
 Post subject: Re: SSD eraser question
PostPosted: December 8th, 2024, 15:44 
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Maybe a tool like KillDisk will make your life easier but I personally believe your client wants to purchase peace of mind with that certificate.

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athena
 Post subject: Re: SSD eraser question
PostPosted: December 12th, 2024, 1:06 
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Arch Stanton wrote:
Maybe a tool like KillDisk will make your life easier but I personally believe your client wants to purchase peace of mind with that certificate.


Exactly ,even client suggested this.
Is there any universal secure /crypto erase tool irrespective of make of SSD ? For large volume of disks its not practical to check each ssd & erase it using manufacturer supplied tools (not all tools are self bootable as well)
Thanks
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fzabkar
 Post subject: Re: SSD eraser question
PostPosted: December 12th, 2024, 1:33 
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Joined: September 8th, 2009, 18:21
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Location: Australia
IIRC, the ATA standard has sanitize and cryptoerase commands. These are universal, ie not vendor specific.

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athena
 Post subject: Re: SSD eraser question
PostPosted: December 14th, 2024, 6:50 
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fzabkar wrote:
IIRC, the ATA standard has sanitize and cryptoerase commands. These are universal, ie not vendor specific.


Thanks a lot fzabkar , I have used killdisk as I think its too clumsy to boot large (different types ) of laptops using linux & issue commands onsite.
There should be a readymade live bootable pen drive having interface , logging to perform the same. Besides that I read that not all models support secure erase.
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Amarbir[CDR-Labs]
 Post subject: Re: SSD eraser question
PostPosted: December 17th, 2024, 2:53 
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Joined: August 15th, 2006, 3:01
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Location: CDRLabs @ Chandigarh [ India ]
athena wrote:
fzabkar wrote:
IIRC, the ATA standard has sanitize and cryptoerase commands. These are universal, ie not vendor specific.


Thanks a lot fzabkar , I have used killdisk as I think its too clumsy to boot large (different types ) of laptops using linux & issue commands onsite.
There should be a readymade live bootable pen drive having interface , logging to perform the same. Besides that I read that not all models support secure erase.


Well,
Older versions of killdisk was able to work with several hard drives without a license

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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athena
 Post subject: Re: SSD eraser question
PostPosted: December 17th, 2024, 10:56 
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Joined: May 30th, 2014, 0:54
Posts: 152
Location: Universe
Amarbir[CDR-Labs] wrote:
athena wrote:
fzabkar wrote:
IIRC, the ATA standard has sanitize and cryptoerase commands. These are universal, ie not vendor specific.


Thanks a lot fzabkar , I have used killdisk as I think its too clumsy to boot large (different types ) of laptops using linux & issue commands onsite.
There should be a readymade live bootable pen drive having interface , logging to perform the same. Besides that I read that not all models support secure erase.


Well,
Older versions of killdisk was able to work with several hard drives without a license

Thanks do you know any commercial software solution which implements secure eraser
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Amarbir[CDR-Labs]
 Post subject: Re: SSD eraser question
PostPosted: December 17th, 2024, 11:49 
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Joined: August 15th, 2006, 3:01
Posts: 3522
Location: CDRLabs @ Chandigarh [ India ]
athena wrote:
Amarbir[CDR-Labs] wrote:
athena wrote:
fzabkar wrote:
IIRC, the ATA standard has sanitize and cryptoerase commands. These are universal, ie not vendor specific.


Thanks a lot fzabkar , I have used killdisk as I think its too clumsy to boot large (different types ) of laptops using linux & issue commands onsite.
There should be a readymade live bootable pen drive having interface , logging to perform the same. Besides that I read that not all models support secure erase.


Well,
Older versions of killdisk was able to work with several hard drives without a license

Thanks do you know any commercial software solution which implements secure eraser


Well,
i use only killdisk ver 10.2.7 and thats about it i also have a commercial Cyber forensic tool hardware that i use just for erasing

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Regards
Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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