[ale] Data not safe on ssds

Stephen R. Blevins stephen.r.blevins at gmail.com
Tue Mar 1 18:03:54 EST 2011


Greg,
     Is this the kind of paper you had in mind?  I got it from a SANS 
NewsBite article.

http://cseweb.ucsd.edu/users/swanson/papers/Fast2011SecErase.pdf

Stephen R. Blevins
stephen.r.blevins at gmail.com

On 02/22/2011 11:55 AM, Greg Freemyer wrote:
> Jim,
>
> Did your colleague generate a paper?  Is it available to the public?
>
> I'm trying to collect docs like that.
>
> FYI: I talked to Scott Moultan in Kennesaw.  I guess he's the
> unofficial Atlanta guru on data recovery from damaged media.  He
> agrees with your colleague, but I don't think he's published anything
> about it.
>
> Thanks
> Greg
>
> On Tue, Feb 22, 2011 at 11:20 AM, Jim Kinney<jim.kinney at gmail.com>  wrote:
>> A colleague did a funded research project a while back on the data
>> retention and retrieval methods for erased media. Erasing methods
>> included government high security methods (bazillion writes of
>> specialized fields, etc). According to him, SSDs can't be erased fully
>> by any current technology. The only acceptable way to ensure data
>> destruction is to grind the chips to dust and incinerate the dust.
>>
>> On Mon, Feb 21, 2011 at 6:12 PM, Greg Freemyer<greg.freemyer at gmail.com>  wrote:
>>> I'm looking at the list of tools they used on the chart and I don't
>>> see thermite, hammer, car, etc.   What's up with that?
>>>
>>> Given how bad the ones they tested did, I really do think they should
>>> have included an array of physical solutions.
>>>
>>> ie. How does running the thumb drive over it with a car work?  What
>>> about a 12-ounce hammer? etc.?
>>>
>>> fyi: I got one in for recovery last year that appeared to have been
>>> put in a microwave.  Assuming that's what happened, it worked really
>>> well.  We de-soldered the chips to try and directly access the NAND
>>> chips.  Nada.  Not that I expected it to work, but we really wanted to
>>> know more about that thumb drive.
>>>
>>>
>>> Greg
>>>
>>> On Sat, Feb 19, 2011 at 8:15 AM, Geoffrey Myers
>>> <lists at serioustechnology.com>  wrote:
>>>> Interesting article:
>>>>
>>>> http://hardware.slashdot.org/story/11/02/17/1911217/Confidential-Data-Not-Safe-On-Solid-State-Disks
>>>>
>>>> --
>>>> Later, Geoffrey
>>>> Sent from my iPhone
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>>>
>>>
>>> --
>>> Greg Freemyer
>>> Head of EDD Tape Extraction and Processing team
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>>> http://www.linkedin.com/in/gregfreemyer
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>>>
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>>
>>
>>
>> --
>> --
>> James P. Kinney III
>> I would rather stumble along in freedom than walk effortlessly in chains.
>>
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>
>
>


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