Embodiments will be described, by way of example only, with reference to the attached figures, wherein in the figures:
FIG. 1 illustrates, in a schematic diagram, an example of a tracking system architecture, in accordance with some embodiments;
FIG. 2 illustrates, in a flowchart, an example of a method of tracking a mobile device, in accordance with some embodiments;
FIG. 3 illustrates, in plot diagrams, temporary mobile subscriber identity (TMSI) distribution of mobile devices serial numbers (SNs) in Europe;
FIG. 4 illustrates, in a sequence diagram, an example of a method of the interception of a message showing an international mobile subscriber identity (IMSI) Attach capture, in accordance with some embodiments;
FIG. 5 illustrates, in a sequence diagram, an example of a method of a location update capture, in accordance with some embodiments;
FIG. 6 illustrates, in a state transition diagram, an example of a state interaction for Global Systems for Mobile communication (GSM) packets as captured in a Finite State Machine (FSM), in accordance with some embodiments; and
FIG. 7 is a schematic diagram of a computing device such as a server.
It is understood that throughout the description and figures, like features are identified by like reference numerals.
DETAILED DESCRIPTION
Embodiments of methods, systems, and apparatus are described through reference to the drawings.