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@lists.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/ _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
