Nicolas Jacobsen

Nicholas Jacobsen is a hacker who had illegal access to the private information of T-Mobile customers for at least a year.{{cite news|url=http://www.nydailynews.com/archives/news/world-wild-web-paris-hacker-article-1.628581|title=World Wild Web Of Paris Hacker|work=New York Daily News|accessdate=31 December 2018|author=Michael Daly|date=23 February 2005}}{{cite news|author=Kevin Poulsen|url=https://www.securityfocus.com/news/10271|title=Hacker penetrates T-Mobile systems|work=SecurityFocus|date=11 January 2005|accessdate=31 December 2018}} He was arrested after an investigation by the United States Secret Service in October 2004 and pleaded guilty at trial as part of a plea agreement.{{cite news|url=https://www.wired.com/2005/02/known-hole-aided-t-mobile-breach/|author=Kevin Poulsen|title=Known Hole Aided T-Mobile Breach|work=Wired|accessdate=31 December 2018|date=28 February 2005}}{{cite news|date=16 February 2005|url=https://www.securityfocus.com/news/10516|author=Kevin Poulsen|title=T-Mobile hacker pleads guilty|work=SecurityFocus|accessdate=31 December 2018}}{{Cite web |title=Computer Hacker Who Victimized T-Mobile Pleads Guilty in Los Angeles Federal Court (February 15, 2005) |url=https://www.justice.gov/archive/criminal/cybercrime/press-releases/2005/jacobsenPlea.htm |access-date=2023-02-18 |website=www.justice.gov}}

Jacobsen's cyber targets were reported to include Paris Hilton's T-Mobile Sidekick II,{{Cite book |last=Schell |first=Bernadette H. |url=https://www.worldcat.org/oclc/67840235 |title=Webster's new world hacker dictionary |date=2006 |publisher=Wiley Pub |others=Clemens Martin |isbn=0-470-04752-6 |location=Indianapolis, IN |oclc=67840235}} in addition to exposing documents emailed to an agent by the Secret Service.{{Cite book |last=Srivastava |first=Dr. Sandeep |title=E-Commerce |last2=Goyal |first2=Er. Meera |last3=Porwal |first3=Shalu |publisher=SBPD Publications |year=2021 |pages=322}}