Chris Lamprecht

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For the soccer/football player, see Christopher Lamprecht.

Chris Lamprecht (known as MinorThreat or mthreat) is a Texas based software developer. Lamprecht was the original author of ToneLoc, a wardialing program written in the C programming language for the DOS operating system.[1] He was the first employee and lead software architect for, a metasearch engine for job listings.[2]

Lamprecht is regarded as the first person to be banned from accessing the Internet, in 1995.[3][4] After being sentenced to 70 months in prison for money laundering, Lamprecht was also given a punishment of no access to the Internet until 2004.

Christopher Matthew Lamprecht had the Federal Bureau of Prisons ID# 61153-080 and was released on March 3, 2000.[5]

Under the order of Judge Sam Sparks of the US District Court in 1995, Lamprecht was ordered to 70 months in the Federal Correctional Institution, Bastrop. Though a known computer hacker, the 24-year-old was never tried, nor pleaded guilty for computer related crimes, making it the more unusual that he was not allowed to access the Internet. In 1997 Lamprecht co-authored an article in Phrack Magazine issue #52[6] while incarcerated in a federal penitentiary, and the issue was published in 1998 with portions appearing in 2600 Magazine; and "prophiled" in Phrack issue #46 (1994).[7]

In 2002 Judge Sam Sparks released Lamprecht from his term of supervised release, effectively lifting his Internet ban as well.[citation needed]

Lamprecht authored the computer wardialer program ToneLoc in the 1990s. After losing the original source code, it was re-written with the assistance of Mucho Maas.[1][8] Lamprecht presented a talk detailing ToneLoc in 1993 at the SummerCon conference.[7][9]

Lamprecht founded and worked for Searchify, a startup company offering an Internet hosting service for searches, marketed with a software as a service,[10] which is based upon the open source software IndexTank. IndexTank was acquired by LinkedIn and open sourced in 2011.[11]


  1. ^ a b Scott, Jason (2005). BBS: The Documentary (DVD). Boston, MA, USA: Bovine Ignition Systems. OCLC 61156153. Archived from the original on 2008-05-10. 
  2. ^ "GeekAustin 03 - Chris Lamprecht -" (Video). 1 October 2008. Retrieved 4 February 2015. 
  3. ^ "A brief history of hacking". Kaspersky Lab. 
  4. ^ "A long time ago, in 1995, I was the first person banned from the Internet". Reddit. 
  5. ^ "Christopher Matthew Lamprecht". Federal Bureau of Prisons. 26 May 2010. Archived from the original on 12 June 2012. 
  6. ^ Agent Steal; Minor Threat (26 January 1998). "Phrack Magazine Volume 8, Issue 52" (txt). Phrack. p. 05 of 20. Retrieved 2 February 2015. 
  7. ^ a b Minor Threat (20 September 1994). "Phrack Volume Five, Issue Forty-Six" (txt). Phrack. p. 13 of 28. Retrieved 2 February 2015. 
  8. ^ "Did you write the Tone Loc war dialer I used on the 90s?". Yes, with Mucho Maas 
  9. ^ "Phrack, Volume Four, Issue Forty, File 11 of 14" (txt). Phrack. 1 August 1992. p. 11 of 14. Retrieved 4 February 2015. 
  10. ^ "Searchify - Hosted cloud search as a service". Retrieved 4 February 2015. 
  11. ^ Basch, Diego (21 December 2011). "IndexTank is now open source!". LinkedIn. Retrieved 4 February 2015. 

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