List of popular hacker groups

This is a partial list of notable hacker groups, in alphabetical order:
* Anonymous: Formed in 2003, Anonymous is a decentralized group known for advocating privacy and freedom of speech.
* Anonymous Sudan: Founded in 2023, this hacktivist group claims to fight anti-Muslim activities, though it is allegedly linked to Russia rather than Sudan or Anonymous.
* Bangladesh Black Hat Hackers: Established in 2012, they are known for their cyber activities in Bangladesh.
* Chaos Computer Club (CCC): Founded in 1981, it is Europe's largest association of hackers, with over 7,700 registered members.
* Conti: A prolific ransomware group active in 2021, as noted by the FBI.
* Cozy Bear: A Russian group reportedly associated with intelligence agencies.
* Croatian Revolution Hackers: A defunct Croatian group known for one of the largest cyberattacks in the Balkans.
* Cult of the Dead Cow (cDc): Founded in 1984 in Lubbock, Texas, this hacker group is also a DIY media organization.
* Cyber Partisans: A Belarusian hacktivist group that emerged in 2020, targeting the Belarusian government and agencies.
* DarkSide: Believed to be based in Eastern Europe, this group specializes in ransomware and extortion.
* DCLeaks: A group claiming to consist of "American hacktivists," though indicted members were found to be in Russia.
* Decocidio: An anonymous collective of hacktivists affiliated with radical environmental groups like Earth First!.
* Derp: Known for attacking gaming sites in late 2013.
* Digital DawgPound (DDP): Founded by StankDawg, this group is focused on hacking and technology exploration.
* Equation Group: Believed to be linked to the U.S. National Security Agency (NSA).
* Fancy Bear: A Russian cyberespionage group.
* Genocide2600: Disbanded in 2009, this group gained attention for combating child exploitation online.
* Ghost Squad Hackers (GSH): A politically motivated team of hackers established in 2015.
* Global kOS: Active from 1996 to 2000, this group was known for grey-hat hacking.
* globalHell: Disbanded in 1999, this group was composed of around 60 hackers, with some members prosecuted for computer intrusion.
* Goatse Security (GoatSec): A small group that specializes in uncovering security flaws.
* Hackweiser: A hacking group and magazine founded in 1999.
* Hafnium: Possibly linked to China, this group was responsible for the 2021 Microsoft Exchange Server breach.
* Hive: Known for targeting public institutions with ransomware.
* Honker Union: A Chinese hacktivist group targeting U.S. government websites.
* International Subversives: A group of hackers including Julian Assange (as "Mendax"), known for breaching high-profile systems.
* Iranian Cyber Army: Reportedly connected to the Iranian government.
* Islamic State Hacking Division: A jihadist group associated with the Islamic State.
* IT Army of Ukraine: A volunteer cyberwarfare organization created during the 2022 Russian invasion of Ukraine.
* Killnet: A pro-Russian group targeting government institutions and events like the 2022 Eurovision Song Contest.
* L0pht: Active from 1992 to 2000, this Boston-based collective was known for its expertise in computer security.
* Lapsus$: A black-hat group active since 2021, known for leaking data from major companies like Microsoft, Samsung, and Nvidia.
* Lazarus Group: Linked to North Korea, this group is involved in financial cybercrime.
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