List of hacker groups

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This is a partial list of notable hacker groups.

  • Anonymous, originating in 2003, Anonymous was created as a group for people who fought for the right to privacy.
  • Bangladesh Black Hat Hackers, founded in 2012.
  • Cozy Bear, a Russian hacker group believed to be associated with one or more intelligence agencies of Russia.
  • Croatian Revolution Hackers, a now-defunct group of Croatian hackers credited with one of the largest attacks to have occurred in the Balkans.
  • Cult of the Dead Cow, also known as cDc or cDc Communications, is a computer hacker and DIY media organization founded in 1984 in Lubbock, Texas.
  • Cyber Partisans, a Belarusian hacktivist group that emerged in 2020, that performed attacks on the Belarusian government and governmental agencies.
  • DarkSide, a cybercriminal hacking group, believed to be based in Eastern Europe, that targets victims using ransomware and extortion.
  • DCLeaks, claims to be a group of "American hacktivists (though indicted individuals were found to be in Russia) who respect and appreciate freedom of speech, human rights and government of the people."
  • Decocidio is an anonymous, autonomous collective of hacktivists who are part of Earth First!, a radical environmental protest organization, and adheres to Climate Justice Action.
  • Derp, a hacker group that attacked several game sites in late 2013.
  • Digital DawgPound (DDP) The DDP was founded and named by StankDawg.
  • Equation Group, suspected to be the offensive operations wing of the U.S. National Security Agency.
  • Fancy Bear, a Russian cyberespionage group.
  • Ghost Squad Hackers, or by the abbreviation "GSH" is a politically motivated hacking team established in 2015.
  • Global kOS was a grey hat (leaning black hat) computer hacker group active from 1996 through 2000.
  • globalHell was a group of hackers, composed of about 60 individuals. The group disbanded in 1999 when 12 members were prosecuted for computer intrusion and 30 for lesser offenses.
  • Goatse Security (GoatSec) is a loose-knit, nine-person grey hat hacker group that specializes in uncovering security flaws.
  • Hackweiser is an underground hacking group and hacking magazine founded in 1999.
  • Hafnium Possibly with Chinese associations, responsible for the 2021 Microsoft Exchange Server data breach.
  • Honker Union is a group known for hacktivism, mainly present in Mainland China, whose members launched a series of attacks on websites in the United States, mostly government-related sites.
  • International Subversives was a group of three hackers including Julian Assange under the name Mendax,[1][2][3][4][5] supposedly taken from Horace's splendide mendax (nobly lying)[6][7][8][9] and two others, known as "Trax" and "Prime Suspect" who regularly hacked into corporations like Nortel and systems belonging to a "who’s who of the U.S. military-industrial complex".[10][11][12]
  • IT Army of Ukraine is a volunteer cyberwarfare organisation created amidst the 2022 Russian invasion of Ukraine.
  • Killnet is a pro-Russian group that attacked several countries' government institutions and attempted to DDoS the 2022 Eurovision Song Contest website.[13]
  • L0pht, was a hacker collective active between 1992 and 2000 and located in the Boston, Massachusetts area.
  • Lapsus$, a black-hat hacker group known for using extortion tactics. active since late 2021, allegedly dumping data from Microsoft, Samsung and Nvidia, and with members arrested in March 2022.
  • Lazarus Group, with strong links to the North Korean government, involved in the Sony Pictures hack, the Bangladesh Bank robbery and the WannaCry ransomware attack.
  • Legion of Doom; LOD was a hacker group active in the early 80s and mid-90s. Had noted rivalry with Masters of Deception (MOD).
  • Legion Hacktivist Group, a hacking group that hijacked the Indian Yahoo server and hacked online news portals of India.
  • Level Seven was a hacking group during the mid to late 1990s. Eventually dispersing in early 2000 when their nominal leader "vent" was raided by the FBI on February 25, 2000.
  • Lizard Squad, known for their claims of distributed denial-of-service (DDoS) attacks[14] primarily to disrupt gaming-related services. Currently broken up.
  • LulzSec, a group of hackers originating and disbanding in 2011 that claimed to hack "for the lulz".
  • Masters of Deception, MOD's initial membership grew from meetings on Loop-Around Test Lines in the early- to mid-1980s. Had noted rivalry with Legion of Doom (LOD).
  • Mazafaka, financially motivated group and crime forum.
  • milw0rm is a group of "hacktivists" best known for penetrating the computers of the Bhabha Atomic Research Centre (BARC) in Mumbai.
  • NCPH is a Chinese hacker group based out of Zigong in Sichuan Province.
  • OurMine, a hacker group of unknown origin that has compromised various websites and Twitter accounts as a way of advertising their "professional services".
  • P.H.I.R.M., an early hacking group that was founded in the early 1980s.
  • Phone Losers of America, an internet prank call community founded in 1994 as a phone phreaking and hacking group.
  • Powerful Greek Army, is a Greek group of black-hat computer hackers founded in 2016.
  • RedHack is a socialist hacker group based in Turkey, founded in 1997. They usually launch attacks against the Turkish government's websites and leak secret documents of the Turkish government.
  • Rocket Kitten or the Rocket Kitten Group is a hacker group thought to be linked to the Iranian government. Formed in 2010 by the hacker personas "Cair3x" and "HUrr!c4nE!".
  • Sandworm, also known as Unit 74455, a Russian cyber military unit of the GRU.
  • The Shadow Brokers (TSB), originating in summer 2016. They published several leaks containing hacking tools, including several zero-day exploits of the National Security Agency (NSA).
  • ShinyHunters is a Hacker Group that is said to be responsible for numerous data breaches in 2020 and 2021.
  • TeaMp0isoN is a group of black-hat computer hackers established in mid-2009.
  • TeslaTeam is a group of black-hat computer hackers from Serbia established in 2010.
  • TESO was a hacker group originating in Austria that was active primarily from 1998 to 2004.
  • The Unknowns is a group of white-hat hackers that exploited many high-profiled websites and became very active in 2012 when the group was founded and disbanded.
  • UGNazi, a hacking group led by JoshTheGod, was founded in 2011. They are best known for several attacks on US government sites,[15] leaking WHMC's database,[16] DDoS attacks, and exposing personal information of celebrities and other high-profile figures on
  • Vice Society, a Russian-speaking hacker group known for attacks on healthcare and education organizations
  • Wizard Spider Russian / Ukrainian hacker group, suspected of being behind the Ireland Health Service Executive cyberattack, sometimes called Trickbot per the malware.
  • YIPL/TAP - Youth International Party Line or Technological Assistance Program, was an early phone phreak organization and publication created in the 1970s by activists Abbie Hoffman.
  • Xbox Underground, an international group responsible for hacking game developers, including Microsoft.
  • UNC1151, believed to be based in Belarus.

See also


  1. ^ Khatchadourian, Raffi (7 June 2010). "No secrets: Julian Assange's mission for total transparency". The New Yorker. Retrieved 16 March 2014.
  2. ^ "The Man Behind Wikileaks: A Julian Assange Cheat Sheet". Vanity Fair. 2010-07-26. Retrieved 2022-10-13.
  3. ^ Greenberg, Andy. "Breaking Down the Hacking Case Against Julian Assange". Wired. ISSN 1059-1028. Retrieved 2022-10-13.
  4. ^ "Julian Assange: the teen hacker who became insurgent in information war". the Guardian. 2011-01-30. Retrieved 2022-10-13.
  5. ^ "The most shocking revelations to come from WikiLeaks". Retrieved 2023-02-21.
  6. ^ Dreyfus, Suelette (1997). Underground: Tales of Hacking, Madness and Obsession on the Electronic Frontier. ISBN 1-86330-595-5.
  7. ^ Bustillos, Maria (17 June 2013). "He Told You So: Julian Assange, the NSA, and Edward Snowden". Pacific Standard. Retrieved 16 September 2021. Assange's youthful hacker name was Mendax ('lying'), allegedly from Horace's phrase 'splendide mendax,' or 'nobly lying'.
  8. ^ Harrell, Eben (2010-07-26). "Mystery Hacker: Who Is WikiLeaks Founder Julian Assange?". Time. ISSN 0040-781X. Retrieved 2023-02-13.
  9. ^ Assange, Julian (2011-09-21). "Julian Assange: 'I am – like all hackers – a little bit autistic'". The Independent. Retrieved 2023-02-13.
  10. ^ Khatchadourian, Raffi (7 June 2010). "No secrets: Julian Assange's mission for total transparency". The New Yorker. Retrieved 16 March 2014.
  11. ^ Dreyfus, Suelette (1997). Underground: Tales of Hacking, Madness and Obsession on the Electronic Frontier. ISBN 1-86330-595-5.
  12. ^ "Julian Assange: The man who exposed the world". Macleans.
  13. ^ "Russian hackers declare war on 10 countries after failed Eurovision DDoS attack". 2022-05-16. Retrieved 2022-05-22.
  14. ^ "How A Hacker Gang Saved Christmas For Video Game Players Everywhere". Business Insider. Retrieved 25 December 2014.
  15. ^ "Manhattan U.S. Attorney and FBI Assistant Director in Charge Announce 24 Arrests in Eight Countries as Part of International Cyber Crime Takedown". June 26, 2012. Retrieved 11 September 2018.
  16. ^ Greenberg, Andy (May 22, 2012). "Hackers Impersonate Web Billing Firm's Staff To Spill 500,000 Users' Passwords And Credit Cards". Forbes. Retrieved 11 September 2018.