Gold Wafer SIM Cards

Gold Wafer SIM CardsA snippet of information I recently noted that was interesting related to the recyclicable gold used in SIM Cards. It is said that although the thickness of gold is measured in microns, a generalised (perhaps inaccurate) comparison that has been made is that it would take the gold leaf removed from at least 500,000 recycled SIM Cards to make one gold ring. Thought provoking

Switch On, Update, Lose Evidence

Switch On, Update, Lose EvidenceThe focus of this article relates to what can happen when switching on a mobile telephone and how data can change on a SIM Card. Essentially how a mobile telephone updates a SIM card relating to location data is down to how each make and model of mobile telephone has been programmed. When dealing with location data in SIM Cards it should not be assumed that every

Smith's LND Dilemma

Smith's LND DilemmaIn real cases of mobile 'phone and SIM Card examination, as opposed to theoretical discussion about them, entries found in elementary file Last Number Dialled (EFLND) on a SIM Card can be quite complex to determine and today do not have a clearly defined pattern as to the origin of data, as one might think is suggested by the GSM Standard 11.11. This is largely due to

Super Ghost SIM

Interesting product but which 3F002FE27F206F07 would be relevant? ... happy mobile telephone evidence hunting... Super Ghost SIM - NEW FEATURE! Switch between SIMs via the phone's menu! - NEW FEATURE! Option to auto switch between SIMs every 1-99 minutes - use the manual sim selection option if you don't want to auto switch - allows you to use two SIM cards in one phone - no need to cut your SIM

Article on SIM Card Readers

Article on SIM Card readershttp://www.ilexjournal.com/special_features/article.asp?theid=284&themode=2C

Deleted SMS text messages

Deleted SMS text messagesGSM 11.11 (ETSI TS 100 977) is a Standard containing mandatory and optional requirements relevant to Subscriber Identity Module (SIM) cards. An optional service that an Operator may provide to a subscriber of its services is Short Message Service (SMS) text messaging. The requirements relating to storing sent and received SMS text messages, in the user memory area of the

Mobile Telephone Evidence

Code and Data go hand in handExaminers are familiar with the fact that from time to time found appended to SMS text messages there appears unintelligible code that cannot be read in context with the user's message itself. Such code as @@@ or /./@@ and so on may raise the notion that the SIM reader has not decoded the message correctly. On the contrary, the SIM reader is most likely to have done

Mobile Telephone Evidence

7F10:6F44

For those of you who have attended my GSM Mobile Telephone SIM forensic Card training courses will know the user content elementary file (EF LND) Last Number Dialled. We know from the GSM SIM Standard that this EF is optional, but once allocated and activated in SIM, has a number of mandatory features. The EF stores the number dialled by the user. In the words of the academic authors