# Daniel Sentinelli

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Daniel Santinelli Known for being part of the hacking movement of Argentina and being one of the first Argentine hackers to reveal his identity

**Daniel "El Chacal" Sentinelli** ([Buenos Aires](/source/Buenos_Aires), September 1965)[1] is an Argentine hacker. He was one of the first hackers from the country to make his identity public, after he demonstrated for the [FBI](/source/FBI) how easy it was to invade secret networks from the [American Government](/source/American_Government).

## Life

El Chacal began his activities as a [hacker](/source/Hacker) during the 80s.[2] He was one of the founding members of [Piratas Unidos Argentinos](/source/Piratas_Unidos_Argentinos) in 1986.[3] He was also part of the First Hacking Congress in [Argentina](/source/Argentina), where he spoke about data [cryptography](/source/Cryptography) using [PGP](/source/PGP_word_list).[4]

In the 90s, worried about the invasion of secret networks from the [American government](/source/American_government), the [FBI](/source/FBI) sent one of their agents to their basis in [Montevideo](/source/Montevideo). El Chacal revealed his identity and made a public demonstration at a [cybercafe](/source/Cybercafe) on [Belgrano](/source/Belgrano%2C_Buenos_Aires) of how easy it was to hack those systems.[3]

Sentinelli was one of the first Argentine hackers to make his identity public.[5] Afterwards, he began working as a security [consultant](/source/Consultant).[6] He has worked for private companies and for the government.[2] He is also a [columnist](/source/Columnist) of *[Dominio Digital](/source/Dominio_Digital)*.[7][8]

## References

1. **[^](#cite_ref-1)** ["Hackers en la red: Entrevista a Daniel Sentinelli (El Chacal)"](https://hackersenlared.wordpress.com/2012/08/21/entrevista-a-daniel-sentinelli-el-chacal/). *Hackers en la Red* (in Spanish). 21 August 2012. Retrieved 30 November 2025.

1. ^ [***a***](#cite_ref-hackers_red_2-0) [***b***](#cite_ref-hackers_red_2-1) ["Daniel Sentinelli "El Chacal" de visita en el pago"](https://hackersenlared.wordpress.com/2012/08/21/daniel-sentinelli-el-chacal-de-visita-en-el-pago). *Hackers en la red* (in Spanish). 21 August 2012. [Archived](https://web.archive.org/web/20251026174823/https://hackersenlared.wordpress.com/2012/08/21/daniel-sentinelli-el-chacal-de-visita-en-el-pago) from the original on 26 October 2025. Retrieved 26 October 2025.

1. ^ [***a***](#cite_ref-FOOTNOTENegro201971_3-0) [***b***](#cite_ref-FOOTNOTENegro201971_3-1) [Negro 2019](#CITEREFNegro2019), p. 71.

1. **[^](#cite_ref-FOOTNOTERobertiBonsembiante199574_4-0)** [Roberti & Bonsembiante 1995](#CITEREFRobertiBonsembiante1995), p. 74.

1. **[^](#cite_ref-5)** ["Quiénes son los cinco hackers argentinos más famosos"](https://www.clarin.com/sociedad/hackers-argentinos-seguridad-informatica_0_Sy8791Yw7l.html). *[El Clarín](/source/El_Clar%C3%ADn_(Argentine_newspaper))* (in Spanish). 3 December 2015. [Archived](https://web.archive.org/web/20251026173718/https://www.clarin.com/sociedad/hackers-argentinos-seguridad-informatica_0_Sy8791Yw7l.html) from the original on 26 October 2025. Retrieved 26 October 2025.

1. **[^](#cite_ref-FOOTNOTENegro201973_6-0)** [Negro 2019](#CITEREFNegro2019), p. 73.

1. **[^](#cite_ref-7)** ["Tecnología de Spielberg a Suar"](https://www.infobae.com/2005/11/17/223020-tecnologia-spielberg-suar). *[Infobae](/source/Infobae)* (in Spanish). 17 November 2005. [Archived](https://web.archive.org/web/20251026174645/https://www.infobae.com/2005/11/17/223020-tecnologia-spielberg-suar) from the original on 26 October 2025. Retrieved 26 October 2025.

1. **[^](#cite_ref-8)** ["Quiene somos"](https://www.dominiodigital.com.ar/quienes-somos). *[Dominio Digital](/source/Dominio_Digital)* (in Spanish). [Archived](https://web.archive.org/web/20251026175910/https://www.dominiodigital.com.ar/quienes-somos) from the original on 26 October 2025. Retrieved 26 October 2025.

## Biography

- Negro, El Hacker (2019). *El Libro Negro del Hacker* (in Spanish). Ediciones Digitales Colombia.

- Roberti, Raquel; [Bonsembiante, Fernando](/source/Fernando_Bonsembiante) (1995). "Sucesos Argentinos". *Llaneros Solitarios - Hackers, la Guerrilla Informática* (in Spanish). [Espasa-Calpe](/source/Espasa-Calpe). [ISBN](/source/ISBN_(identifier)) [978-950-852-075-3](https://en.wikipedia.org/wiki/Special:BookSources/978-950-852-075-3).

v t e Hacking in the 1980s ← 1970s Timeline of security hacking incidents Timeline of computer viruses and worms 1990s → Individuals Daniel Sentinelli Fernando Bonsembiante Justin Tanner Petersen Kevin Mitnick Lewis De Payne Lenny DiCicco Markus Hess Hans Heinrich Hübner Pablo Kleinman Raúl Barragán Susan Headley Groups The 414s Piratas Unidos Argentinos Malware 4K AIDS Trojan horse AIDS virus Alabama ANTI Brain Byte Bandit Cascade Christmas Tree EXEC CyberAIDS EGABTR Elk Cloner Father Christmas Festering Hate Ghostball HyperCard viruses Jerusalem Lamer Exterminator MacMag Morris nVIR Ping-Pong SCA Scores Stoned Virdem WANK

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Adapted from the Wikipedia article [Daniel Sentinelli](https://en.wikipedia.org/wiki/Daniel_Sentinelli) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Daniel_Sentinelli?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.