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Best software to securely erase USB flash drives these days?



 
 
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  #11  
Old February 18th 16, 09:31 PM posted to comp.sys.ibm.pc.hardware.storage
David Brown[_4_]
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Posts: 13
Default Best software to securely erase USB flash drives these days?

On 18/02/16 12:29, Mr. Man-wai Chang wrote:
On 2/18/2016 4:43 AM, Lynn McGuire wrote:

A two pound hammer works nicely.


What if you wanna sell it in 2nd-hand market? Could you offer tools that
GUARANTEED a wipe?


Who would be interested in buying a second-hand flash drive? You are
talking about something that typically costs a few dollars new. Even
for the more expensive drives, by the time you are wanting to sell it
there are bigger and faster devices on the market for a fraction of the
price you first paid for it.

/Giving/ them to others for re-use is fair enough - and typically you
don't /give/ away things to just anybody. So guarantees are neither
possible nor necessary.

  #12  
Old February 18th 16, 09:59 PM posted to comp.sys.ibm.pc.hardware.storage
Computer Nerd Kev
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Default Best software to securely erase USB flash drives these days?

Mr. Man-wai Chang wrote:
On 2/18/2016 4:43 AM, Lynn McGuire wrote:

A two pound hammer works nicely.


What if you wanna sell it in 2nd-hand market? Could you offer tools that
GUARANTEED a wipe?


dd if=/dev/urandom of=/dev/sdh

That would be secure enough to keep me happy. If you want more certainty,
look into standards for data erasure and find software, or make scripts,
which follow them.

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  #13  
Old February 19th 16, 12:20 AM posted to comp.sys.ibm.pc.hardware.storage
Ant
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Default Best software to securely erase USB flash drives these days?

David Brown wrote:

A two pound hammer works nicely.


What good will it to be other users I give to? :P


They can use the hammer to emphasis how displeased they are that you
destroyed perfectly good USB flash drives :-)


LOL. :-)
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  #14  
Old February 19th 16, 01:21 PM posted to comp.sys.ibm.pc.hardware.storage
Mr. Man-wai Chang
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Default Best software to securely erase USB flash drives these days?

On 2/19/2016 4:59 AM, Computer Nerd Kev wrote:

dd if=/dev/urandom of=/dev/sdh

That would be secure enough to keep me happy. If you want more certainty,
look into standards for data erasure and find software, or make scripts,
which follow them.


That's surely the simplest way. Run that command multiple times.

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  #15  
Old February 20th 16, 01:31 AM posted to comp.sys.ibm.pc.hardware.storage
David Brown[_4_]
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Default Best software to securely erase USB flash drives these days?

On 19/02/16 13:21, Mr. Man-wai Chang wrote:
On 2/19/2016 4:59 AM, Computer Nerd Kev wrote:

dd if=/dev/urandom of=/dev/sdh

That would be secure enough to keep me happy. If you want more certainty,
look into standards for data erasure and find software, or make scripts,
which follow them.


That's surely the simplest way. Run that command multiple times.


Why multiple times? If the drive is smart enough to compress zeros
(something that does not happen on USB sticks, but does on high-end
SSDs), writing some random data makes a little sense. But multiple
times just wastes time and erase cycles.

 




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