Sicoob is a organization tracked across 1 threat cluster and 2 intelligence report mentions on ThreatCluster. First observed May 29, 2026; most recent activity May 29, 2026.
A malicious NuGet package named 'Sicoob.Sdk' has been identified, which impersonates an official software development kit for Sicoob, a major Brazilian cooperative financial system. This package, affecting versions…