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threat intel
Slim Spider Steals Crypto Custody Secrets From Brazilian Financial Institution
CrowdStrike has identified a previously undocumented threat actor group named Slim Spider targeting Brazilian financial institutions since at least March 2026. The group demonstrates operational knowledge of Brazil's financial infrastructure, including instant payment systems, and is financially motivated.
Why it matters: Brazilian financial institutions and cryptocurrency custody providers face targeted attacks from an adversary with deep knowledge of local payment infrastructure; practitioners should assess exposure to Slim Spider tactics and monitor for related indicators.
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- First seen by Cybersecurity Tracker