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CCLEANER´s erasing accuracy compared to other softwares?

Computer forensics discussion. Please ensure that your post is not better suited to one of the forums below (if it is, please post it there instead!)
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CCLEANER´s erasing accuracy compared to other softwares?

Post Posted: Fri Feb 08, 2013 8:26 am

hello. I would like to know if for secure erasing purposes, Ccleaner (1 pass overwritting) could be considered "profesionally" safe, compared with other erasing available software?  

williamsonn
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares

Post Posted: Fri Feb 08, 2013 8:28 am

I am speaking of recent versions like v3.23.1823.  

williamsonn
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares

Post Posted: Fri Feb 08, 2013 9:12 am

Do you mean Piriform CCleaner? It's about as "professional" as any housewife's computer tool. No offence to housewives.
_________________
Digital Evidence Extraction Software
belkasoft.com 

Belkasoft
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares?

Post Posted: Fri Feb 08, 2013 9:36 am

- williamsonn
hello. I would like to know if for secure erasing purposes, Ccleaner (1 pass overwritting) could be considered "profesionally" safe, compared with other erasing available software?


I'd think that this would be easy to test...  

keydet89
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares?

Post Posted: Fri Feb 08, 2013 10:29 am

- keydet89


I'd think that this would be easy to test...

Sure, just run CCleaner and then see what you can get back with Recuva Wink
www.forensicfocus.com/...ic/t=10194
www.forensicfocus.com/...ic/t=9821/

jaclaz
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- In theory there is no difference between theory and practice, but in practice there is. - 

jaclaz
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares

Post Posted: Fri Feb 08, 2013 11:29 am

To be fair, CCleaner is a very thorough and powerful end-user tool. Dave Cowen used it as an example in his anti-anti-forensics talk -- related to his $Logfile research. It's not just a joke. And, as Harlan points out, it's easy enough to test, which is what Dave did.

A couple of weeks ago, I
suggested that williamsonn should look into it.

Did you?
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Scott Tucker
Aptegra Consulting, LLC
www.aptegra.com 

TuckerHST
Senior Member
 
 
  

Re: CCLEANER´s erasing accuracy compared to other softwares

Post Posted: Fri Feb 08, 2013 1:21 pm

- TuckerHST
To be fair, CCleaner is a very thorough and powerful end-user tool.

Sure it is Smile , still it is not aimed at secure erasing a device, it is aimed to erase a filesystem or, more correctly parts of the filesystem (files or free space or even unused/old $MFT entries), just like Recuva is aimed to recover deleted files on a filesystem:
www.piriform.com/docs/...r-settings

In my perverted mind, if all I can find, with *whatever* methods, on *any* sector of the device is 00's then that is "secure erase", and most if not all "secure erase" programs are aimed to the device and not at the filesystem, so I wouldn't know with what to compare, possibly sdelete:
technet.microsoft.com/...97443.aspx

jaclaz
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- In theory there is no difference between theory and practice, but in practice there is. - 

jaclaz
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