Nicolas Jacobsen ni mdukuzi ambaye alikuwa na ufikiaji haramu wa habari ya binafsi ya wateja wa T-Mobile kwa angalau mwaka. Alikamatwa baada ya uchunguzi na Huduma ya Siri ya Marekani mnamo Oktoba 2004 akakiri hatia wakati wa kesi kama sehemu ya makubaliano ya ombi. Michael Daly. "World Wild Web Of Paris Hacker", New York Daily News, 23 February 2005. Retrieved on 31 December 2018.  Kevin Poulsen. "Hacker penetrates T-Mobile systems", SecurityFocus, 11 January 2005. Retrieved on 31 December 2018.  Kevin Poulsen. "Known Hole Aided T-Mobile Breach", Wired, 28 February 2005. Retrieved on 31 December 2018.  Kevin Poulsen. "T-Mobile hacker pleads guilty", SecurityFocus, 16 February 2005. Retrieved on 31 December 2018.