Category
Security researchers
154 entries
Adrienne Porter Felt
American computer scientist
Alan Paller
Cybersecurity expert (1945–2021)
1945 – 2021 · United States
Alastair MacWillson
British diplomat
1953 – present · United Kingdom

Alec Muffett
Software engineer, security expert (born 1968)
1968 – present · United States
Aleksei Talisainen
Estonian computer scientist (born 1980)
1980 – present

Alexander Sotirov
Computer security researcher
United States
Alisa Esage
Russian computer security researcher (born 1984)
Alissa Jay Abdullah
Information Security Advisor
1989 – present
Allison Nixon
Cybersecurity researcher

Ananth Prabhu Gurpur
Indian author and cyber security expert
1985 – present · India
Andries Brouwer
Dutch mathematician and computer programmer (born 1951)
1951 – present
Arne Vidstrom
American computer security specialist
Asha Rao
Mathematician, cybersecurity expert and advocate for gender equality

Ashkan Soltani
American computer scientist
United States
Barnaby Jack
New Zealand hacker, programmer and computer security professional
1977 – 2013 · New Zealand

Ben Laurie
Software engineer and cryptographer
1953 – present

Bill Woodcock
Internet infrastructure pioneer (born 1971)
1971 – present · United States

Boris Loza
International computer security expert (born 1960)
1960 – present
Brendan Hannigan
Technology entrepreneur
Brent Waters
American computer scientist
Brian LaMacchia
Computer security specialist
Brian Lord (cyber security expert)
Former deputy director of GCHQ in Cheltenham, England (born 1965)
1965 – present · United Kingdom

Charlie Miller (security researcher)
American computer security researcher
1971 – present · United States

Chris Krebs
American cybersecurity and infrastructure security expert (born 1977)
1977 – present · United States
Chris Valasek
American cyber security professional (born 1982)
1982 – present · United States

Chris Wysopal
American computer security expert (born 1965)
1965 – present · United States
Christine O'Keefe
Australian mathematician
Christopher Boyd (IT security)
Computer Security researcher

Christopher Soghoian
American computer scientist (born 1981)
1981 – present · United States
Clay Parikh
American cybersecurity specialist (born 1962)
1962 – present

Colin Percival
Canadian computer scientist (born 1980)
Canada

Confidence Staveley
Nigerian cybersecurity person

Cthulhu (developer)
British Tor hidden service developer and administrator

Dan Farmer
American computer security researcher and programmer
1962 – present · United States
David Litchfield
British security expert (born 1975)
1975 – present

David Venable
Cyber security professional (born 1978)
1978 – present · United States

Donald McFarlane
British-American politician
United States

Eddy Willems
Belgian computer scientist (born 1962)
1962 – present · Belgium
Edward G. Amoroso
American computer security professional (born 1961)
1961 – present
Elizabeth France
British civil servant
1950 – present

Eric Vanderburg
American cyber security professional
2000 – present · United States

Eugene Kaspersky
Russian cybersecurity expert (born 1965)
1965 – present · Russia
Eugene Schultz
Computer security expert (1946 - 2011)
1946 – 2011

Eva Galperin
American cybersecurity, privacy and anti-stalkerware activist
United States

Fravia
Software reverse engineer (1952–2009)
1952 – 2009 · Italy
Galina Kofman
Russian-American computer programmer and executive

George Hotz
American software engineer
1989 – present · United States
George Ledin
American computer scientist (born 1946)
1946 – present
Greg Martin (entrepreneur)
American cybersecurity expert and entrepreneur (born 1981)
1981 – present
Gregory Falco
American inventor and researcher

H. D. Moore
American businessman (born 1981)
1981 – present
Harshvardhan Chunawala
Hector Martin (hacker)
Security consultant and hacker (born 1990)
1990 – present

Hieu Minh Ngo
Vietnamese hacker and identity thief (born 1989)
1989 – present

Ian Coldwater
American computer security specialist
1901 – present · United States

Ibrahim Baggili
American cybersecurity scientist (born 1981)

Igor Muttik
Russian computer scientist (born 1962)
1962 – present
Ilfak Guilfanov
Russian software developer
1966 – present

Ilya Sachkov
Russian entrepreneur
1986 – present · Russia

Ivan Krstić
Croatian computer security expert (born 1986)
Croatia

Jacob Appelbaum
American computer security researcher (born 1983)
1983 – present · United States
James Dolan (computer security expert)
American computer security expert, co-developed SecureDrop (1981-2017)
1981 – 2017

Jay Chaudhry
Indian-American businessman (born 1958)
1955 – present

Jaya Baloo
Dutch cybersecurity expert
Jean-Bernard Condat
Computer hacker
1963 – present · France

Jim Christy
Retired American government employee (born 1951)
1951 – present

Jim Geovedi
Musical artist
1979 – present

Joanna Rutkowska
Polish hacker and computer security expert (born 1981)
1981 – present · Poland
Johan Helsingius
Finnish internet remailer (born 1961)
1961 – present · Finland
Johannes Ullrich
Computer security expert

John McAfee
British and American programmer and businessman (1945–2021)
1945 – 2021 · United States
John Viega
American computer security specialist
1974 – present

Kathy Warden
American business executive
1975 – present · United States

Katie Moussouris
American computer security expert
2000 – present

Kenneth P. Weiss
American businessman
Kerem Albayrak

Keren Elazari
Cybersecurity expert
1981 – present · Israel

Khalil Sehnaoui
Information security professional and public figure (born 1963)
1975 – present · Belgium
Kimberly Zenz
Computer security specialist

Kris Kaspersky
Russian hacker, IT security researcher (1976-2017)
1976 – 2017 · Russia
Kyle Hanslovan
American technology businessman
1985 – present · United States

Lars Eilebrecht
German software engineer (born 1972)
1972 – present · Germany

Lesley Carhart
Cyber threat analyst

Liisa Past
Estonian cybersecurity expert (born 1980)
1980 – present
Loren Kohnfelder
Computer scientist
Magda Lilia Chelly
Cybersecurity expert (born 1983)
1983 – present · Poland

Marc Rogers (security researcher)
British cyber security researcher
Marcus Hutchins
British IT security researcher and expert (born 1994)
1994 – present · United Kingdom

Marcus J. Ranum
American network security researcher (born 1962)
1962 – present · United States

Mark Abene
American InfoSec expert and former hacker (born 1972)
1972 – present · United States

Mark Kriegsman
Entrepreneur and software engineer (born 1966)
1966 – present
Mark Weatherford
American cybersecurity professional (born 1956)
1956 – present · United States
Martin McKeay
American computer security expert (born 1971)
1971 – present

Melissa Hathaway
Cybersecurity expert
1968 – present · United States

Meredith L. Patterson
American technologist, science fiction author, and journalist (born 1977)
1977 – present · United States
Michael Calce
Canadian security expert and computer hacker
1986 – present · Canada

Michael Owens (politician)
American politician
United States
Michael Schroeder
American computer scientist (born 1945)
1945 – present · United States
Michał Zalewski
Polish hacker (born 1981)
1981 – present · Poland
Milton Smith
American computer security application developer, researcher, and writer
United States
Mixter
Computer security specialist

Mohamed Elnouby
Egyptian programmer and information security specialist
1988 – present

Moxie Marlinspike
American entrepreneur
1980 – present · United States

Nadim Kobeissi
Canadian computer programmer and security researcher (born 1990)
1990 – present

Nguyễn Mạnh Luật
1993 – present

Nicholas Carlini
American artificial intelligence researcher
1990 – present

Nick Bilogorskiy
Ukrainian American computer security expert and nonprofit founder (born 1981)
1981 – present

Omkhar Arasaratnam
Canadian-American computer scientist and cybersecurity executive
United States

Parisa Tabriz
American computer security expert (born 1983)
1983 – present · United States

Penny Endersby
British researcher and academic

Peter Eckersley (computer scientist)
Australian computer scientist (1970s–2022)
1978 – 2022 · Australia

Peter G. Neumann
American computer scientist (born 1932)
1932 – present · United States
Peter Garza
1960 – present

Predrag Puharić
Mayor of Sarajevo from 2024 to 2025
1977 – present
Péter Szőr
Hungarian computer virus and security researcher, entrepreneur and author (1970–2013)
1970 – 2013

Rafay Baloch
Pakistani ethical hacker and security researcher (born 1993)
1993 – present

Rain Ottis
Estonian cybersecurity researcher and educator
1981 – present
Ralph Echemendia
Cyber security specialist
Richard Menta
American journalist
United States

Robert C. Seacord
American computer security expert (born 1963)
1963 – present · United States

Rohit Khare
Indian American computer scientist
United States
Roy G. Saltman
American electrical engineer
1932 – 2023

Ruan Xiaohuan
Chinese blogger (born 1977)
1977 – present · China

Runa Sandvik
Privacy and security researcher (born 1987)
1988 – present · Norway
Ryan Lackey
American businessman (born 1979)
1979 – present · United States

Sadie Creese
British cybersecurity specialist

Salvatore J. Stolfo
American computer scientist

Salvatore Sanfilippo
Italian programmer and creator of Redis
1977 – present · Italy
Sanija Ameti
Bosnian born Swiss politician
1992 – present · Switzerland
Sarah Armstrong-Smith
Sarah Jamie Lewis
Privacy and anonymity researcher; technologist
1901 – present · United States

Sean Hastings
American businessman (born 1969)
1968 – present

Selva Orejón
Spanish cybersecurity expert (born 1981)
1981 – present · Spain
Shannen Rossmiller
American online terrorist-hunter (1970–2020)
1969 – 2020 · United States
Shawn Carpenter
American Navy veteran and whistleblower
1968 – present · United States

Steve Gibson (computer programmer)
Computer enthusiast, software engineer and security researcher
1955 – present · United States

Steven Murdoch
British computer security expert
SwiftOnSecurity
Computer security expert on Twitter

Tarah Wheeler
American cybersecurity executive and diversity activist (born 1979)
1979 – present · United States
Tavis Ormandy
English computer security analyst
Tim Newsham
Computer security professional
TinKode
Romanian computer security consultant and hacker
1992 – present

Tom Cross (computer security)
American computer security expert (born 1976)
1976 – present · United States

Troy Hunt
Australian web security expert
1976 – present · Australia
Tsutomu Shimomura
Physicist and computer security expert (born 1964)
1964 – present · United States
Vikram Sethi
American author and cyber security specialist

Vinny Troia
American cybersecurity researcher

Vlastimil Klíma
Czech cryptologist and computer security expert (born 1957)
1957 – present · Czechia

Wietse Venema
American computer scientist (born 1951)
1951 – present

William Cheswick
American engineer
2000 – present · United States
William Genovese

Window Snyder
Computer security expert (born 1975)
1976 – present · United States

Winn Schwartau
American computer security expert (born 1952)
1952 – present · United States

Zooko Wilcox-O'Hearn
Cypherpunk (born 1974)
1974 – present · United States