Nicholas Jacobsen is a hacker who had illegal access to the private information of T-Mobile customers for at least a year. [1] [2] 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. [3] [4] [5]
Jacobsen's cyber targets were reported to include Paris Hilton's T-Mobile Sidekick II, [6] in addition to exposing documents emailed to an agent by the Secret Service. [7]