full-disclosure - Re: Retrieving "deleted" sms/mms from Nokia phone (Symbian S60)

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Date: Wed, 16 May 2007 11:31:51 -0700
From: "Matthew Leeds" <mleeds@...leeds.net>
To: "3APA3A" <3APA3A@...URITY.NNOV.RU>,
	"Davide Del Vecchio" <dante@...ghieri.org>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: Retrieving "deleted" sms/mms from Nokia phone
 (Symbian S60)

In fact this is so well known that many of the charities that accept donated cell phones provide tools for secure deletion of data prior to shipping the phone.

http://wirelessrecycling.com/home/data_eraser/

It would be interesting to test the hard reset (factory reset) feature of some current phones and see what data, if any, is recoverable.

----------
---Matthew
*********** REPLY SEPARATOR  ***********

On 5/16/2007 at 9:16 PM 3APA3A wrote:

>Dear Davide Del Vecchio,
>
> It's also possible to recover deleted photos from almost any flash card
> in almost any device (camera, mobile, etc) - it's a way general purpose
> file  systems  work.  Requirement  to  delete  information  securely is
> enforced  in devices certified to e.g. process US military secretes. In
> this case, device must follow DoD 5220-22-M recommendations and you can
> expect  secure erase. In general purpose operation systems and devices,
> to    delete   information   securely   (wipe   it)   some   additional
> actions/utilities are usually required.
>
>--Tuesday, May 15, 2007, 9:09:19 PM, you wrote to
>full-disclosure@...ts.grok.org.uk:
>
>DDV> Hello list,
>
>DDV> During some research, I found an intersting "feature"
>DDV> on my Nokia mobile phone; I was able to retrieve any
>DDV> apparently deleted sms/mms.
>
>
>-- 
>~/ZARAZA http://securityvulns.com/



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