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Malicious NuGet Package Impersonates Sicoob Banking SDK to Steal mTLS Certificates and Financial Credentials
Malware

Malicious NuGet Package Impersonates Sicoob Banking SDK to Steal mTLS Certificates and Financial Credentials

31 May 2026 dark6

A malicious NuGet package named "Sicoob.Sdk" impersonated the official Sicoob banking SDK and silently exfiltrated PFX certificates, private keys, and...