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The Base is a neo-Nazi, white supremacist extremist organization associated with militant accelerationism and advocacy of violence. It has been linked to the broader Siege-culture ecosystem alongside groups such as Atomwaffen Division and Sonnenkrieg Division, and its propaganda has circulated on fringe online platforms used by violent far-right communities. The organization has been described as a right-wing terrorist group and has inspired or attracted adherents in multiple countries, including individuals involved in antisemitic attack plotting and transnational cell-building activity. The group promotes accelerationist ideology, encouraging societal destabilization and insurgent violence. Its online presence has overlapped with extremist channels that urge violence and glorify terrorism. The Base has also been connected to eco-fascist offshoot activity: the Green Brigade identified itself as an accelerationist eco-extremist formation and functioned as an eco-fascist wing of The Base, including involvement in an arson attack against a mink farm in Sweden in 2020. Known activity tied to members or supporters includes propaganda translation, attempted organization of local cells, and alleged attack planning against Jewish targets. Reporting also places The Base within a transnational violent far-right milieu spanning the United States and Europe. The group’s ideology and behavior indicate a dominant commitment to violent white supremacist extremism rather than conventional political activism.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
4 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Extreme-right terrorist group linked in the article to a synagogue attack plot in the UK.
Neo-Nazi accelerationist group linked in the content to Siege-culture networks and associated with eco-fascist and violent extremist activity through its Green Brigade wing.
Extremist hate group with associated accounts on Gab and Bitchute used to spread violent rhetoric and accelerationist ideology.
Right-wing terrorist organization referenced in an Italian arrest; a member translated its propaganda into Italian and formed a local cell.
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.