CrowdStrike 2026 Global Threat Report: The definitive threat intelligence report for the AI era Download report
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Brain Spider
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BRAIN SPIDER is a prolific threat actor with a history of being an initial access broker (IAB), an alleged former member of CARBON SPIDER, and a member of a ransomware-related negotiation service; the adversary is currently operating as IAB as well as a manager of a ransomware affiliate team. BRAIN SPIDER has demonstrated the ability to lead and manage large teams (in excess of 20 members), coordi...
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Brain Spider
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Russian Federation, Eastern Europe, Europe
Community Identifiers
SawGoD, 5MRBID, bigboss, RAID, EightBase, RADAR, exp3rt, BOSS, FASTPRISONER, Dispossessor, REDTEAMDR, RedTeam, bigrichy, Birdy, 8BASE, AcidLow, Signature, brain, reverse5net, 5BIRD, Lions
Objective
Financial Gain
Motivation
Criminal
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CrowdStrike 2025 Threat Hunting Report
Adversaries weaponize and target AI at scale.
