Curly Spider Adversary Profile | CrowdStrike Archived: 2026-04-05 17:33:52 UTC Discover the adversaries targeting your industry Back to Adversary Universe CURLY SPIDER is an eCrime group who has conducted intrusions targeting predominantly North America- and Western Europe-based entities across various sectors. Analysis of leaked chat logs shows that CURLY SPIDER likely originated from MALLARD SPIDER, and likely operated as an initial access broker (IAB) and ransomware affiliate for WANDERING SPIDER before migrating to TUNNEL SPIDER's Cactus ransomw... https://www.crowdstrike.com/adversaries/curly-spider/ Page 1 of 3 Curly Spider Russian Federation, Eastern Europe, Europe Community Identifiers Storm-1811 Who's targeting your industry? Today's adversaries are faster, smarter, and better resourced. Know who they are and how to stop them. View adversaries https://www.crowdstrike.com/adversaries/curly-spider/ Page 2 of 3 CrowdStrike 2025 Threat Hunting Report Adversaries weaponize and target AI at scale. Source: https://www.crowdstrike.com/adversaries/curly-spider/ https://www.crowdstrike.com/adversaries/curly-spider/ Page 3 of 3