Notable security hackers

Notable security hackers 

Main article: List of hackers

• Jacob Appelbaum is an Advocate, Security Researcher, and Developer for the Tor project. He speaks internationally for usage of Tor by human rights groups and others concerned about internet anonymity and censorship.
• Albert Gonzalez sentenced to 20 years in prison.
• Eric Corley (also known as Emmanuel Goldstein) is the longstanding publisher of 2600: The Hacker Quarterly. He is also the founder of the H.O.P.E. conferences. He has been part of the hacker community since the late '70s.
• Ed Cummings (also known as Bernie S) is the longstanding writer for 2600: The Hacker Quarterly. He set legal precedents after denial of both a bail hearing and a speedy trial in 1995. Bernie S was charged with possession of technology which could be used for fraudulent purposes.
• Dan Kaminsky is a DNS expert who exposed multiple flaws in the protocol and investigated Sony's rootkit security issues in 2005. He has spoken in front of the US Senate on technology issues.
• Gordon Lyon, known by the handle Fyodor, authored the Nmap Security Scanner as well as many network security books and web sites. He is a founding member of the Honeynet Project and Vice President of Computer Professionals for Social Responsibility.
• Gary McKinnon is a Scottish hacker facing extradition to the United States to face charges of perpetrating what has been described as a travesty of justice with many in the UK "show a little bit of compassion" to rule sooner who also suffers from Asperger syndrome.
• Kevin Mitnick is a computer security consultant and author, formerly the most wanted computer criminal in United States history.
• Rafael Núñez aka RaFa was a notorious most wanted hacker by the FBI since 2001.
• Meredith L. Patterson a well known technologist and biohacker who has presented research with Dan Kamisky and Len Sassaman at many international security and hacker conferences.
• Len Sassaman a Belgian computer programmer and technologist who was also a privacy advocate.
• Solar Designer is the pseudonym of the founder of the Openwall Project.
• Michał Zalewski (lcamtuf) is a prominent security researcher.