OurMine
A hacker group that compromised celebrities and YouTuber's Twitter accounts for "security" reasons.
Wikipedia414s
Named after area code; gained notoriety in the early 1980s as a group of friends and computer hackers who broke into dozens of high-profile computer systems, including ones at Los Alamos National Laboratory, Sloan-Kettering Cancer Center, and Security Pacific Bank.
WikipediaZero Group Hackers
An indian Hacker group that attacked several bangladesh and pakistan sites in 2018.
WikipediaAnonCoders
A group of hackers originating in 2015. Using defacements,denial of service attacks, database hijacking, database leaks, admin panel takeovers, social media accounts (Facebook,Twitter,Emails) and other methods, It mainly targets political groups and anti-Islam websites including news organizations, institutions and other government,semi-government, military and educational websites around the world. AnonCoders first attack was leveled against several major Israeli websites. In February, it attacked numerous French websites in opposition to cartoons of the Islamic prophet Muhammad published in Charlie Hebdo Magazine. The group has vandalized sites in Israel, Europe, and the United States
WikipediaAnonymous
Originating in 2003, Anonymous was created as a group for people who fought for the rights for privacy. The group didn't accomplish that much, apart from giving a group of Black Hat hackers the idea to recreate anonymous as an idea free for all who wanted a private life. Therefore, anonymous is not considered a group, but an idea
WikipediaCroatian Revolution Hackers
A now defunct group of Croatian hackers credited with one of the largest attacks to have occurred in the Balkans.
WikipediaCyberVor
CyberVor is the moniker given to a group of Russian hackers responsible for perpetrating a major 2014 theft of internet credentials
WikipediaDCLeaks
DCLeaks, claims to be a group of "American hacktivists who respect and appreciate freedom of speech, human rights and government of the people."
WikipediaDecocidio#Ө
An anonymous, autonomous collective of hacktivists which is part of Earth First!, a radical environmental protest organisation, and adheres to Climate Justice Action
WikipediaDigital DawgPound (DDP)
WikipediaEquation Group
Suspected to be the offensive operations wing of the U.S. National Security Agency.
WikipediaGhost Squad Hackers
Ghost Squad Hackers, or by the abbreviation "GSH" is a poliltically motivated hacktivist team led by the administrative de facto leader known as "s1ege". The groups prime intent and focus is embedded on anti-governmental/organization cyber protests within current involvements of media speculation and real life happenings in 2016 to present.
WikipediaGlobal kOS
A grey hat (leaning black hat) computer hacker group active from 1996 through 2000.
WikipediaGlobalHell
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.
WikipediaHackweiser
Hackweiser is an underground hacking group and hacking magazine founded in 1999.
WikipediaHonker Union
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.
WikipediaL0pht
L0pht was a hacker collective active between 1992 and 2000 and located in the Boston, Massachusetts area.
WikipediaLevel Seven
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.
WikipediaLizard Squad
WikipediaLulzSec
A group of hackers originating and disbanding in 2011 that claimed to hack "for the lulz". Currently broken up.
WikipediaLegion of Doom
LOD was a hacker group active in the early 80s and mid-90s. Had noted rivalry with Masters of Deception (MOD).
WikipediaMasters 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).
WikipediaMilw0rm
milw0rm is a group of "hacktivists" best known for penetrating the computers of the Bhabha Atomic Research Centre (BARC) in Mumbai.
WikipediaRedHack
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.
WikipediaShadow Brokers
Shadow Brokers (The) (TSB), originating in summer 2016. They published several leaks of some of the National Security Agency (NSA) hacking tools.
WikipediaSyrian Electronic Army
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
WikipediaTESO
TESO, was a hacker group originating in Austria that was active primarily from 1998 to 2004
WikipediaThe Unknowns
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.
WikipediaUGNazi
A hacking group led by JoshTheGod, founded in 2011. They are best known for several attacks on US government sites,[6] leaking WHMC's database, DDoS attacks, and exposing personal information of celebrities and other high-profile figures on exposed.su.
WikipediaYIPL / TAP
YIPL/TAP - Youth International Party Line or Technological Assistance Program, was an early phone phreak organization and publication created in the 1970s by activist Abbie Hoffman.
WikipediaXbox Underground
An international group responsible for hacking game developers, including Microsoft
Wikipedia