List of hacker groups - A list of notable hacker groups.

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•     Anonymous, a group of hackers originating in 2003.
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•    Chaos Computer Club, is based in Germany and other German-speaking countries. Famous among older hackers.
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•     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.
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•     CyberVor is the moniker given to a group of Russian hackers responsible for perpetrating a major 2014 theft of internet credentials
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•     Decocidio#Ө is an anonymous, autonomous collective of hacktivists which is part of Earth First!, a radical environmental protest organisation, and adheres to Climate Justice Action
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•     DERP A hacker group that attacked several game sites in late 2013.
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•     Global kOS was a grey hat (leaning black hat) computer hacker group active from 1996 through 2000.
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•     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 offences.
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•     Goatse Security (GoatSec) is a loose-knit, nine-person grey hat hacker group that specializes in uncovering security flaws.
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•     Hackweiser is an underground hacking group and hacking magazine founded in 1999.
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•     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.
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•     L0pht, was a hacker collective active between 1992 and 2000 and located in the Boston, Massachusetts area.
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•     Level Seven (hacker group) 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.
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•     LulzSec, a group of hackers originating and disbanding in 2011 that claimed to hack "for the lulz". Currently broken up.
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•     Masters of Deception, initial membership grew from meetings on Loop-Around Test Lines.
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•     milw0rm is a group of "hacktivists" best known for penetrating the computers of the Bhabha Atomic Research Centre (BARC) in Mumbai.
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•     NCPH is a Chinese hacker group based out of Zigong in Sichuan Province.
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•     P.H.I.R.M. The PHIRM was an early hacking group which was founded in the early 1980s.
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•     RedHack is a socialist hacker group based in Turkey, founded in 1997. They usually launch attacks against Turkish government's websites and leak secret documents of Turkish government.
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•     Syrian Electronic Army is a group that claims responsibility for defacing or otherwise compromising scores of websites that it contends spread news hostile to the Syrian government or fake news
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•     TeaMp0isoN is a group of black-hat computer hackers established in mid-2009
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•     TeslaTeam is a group of black-hat computer hackers from Serbia established 2010
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•     TESO, was a hacker group originating in Austria that was active primarily from 1998 to 2004
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•     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.
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•     UGNazi A hacking group best known for several attacks on US government sites.
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•     TCAD (Turkey Cyber Army Department) is a group of white-hat hackers and AR-GE team in Turkey.