Byer-Nichols Threat Brief for February 1-15 2026

This threat intelligence report detailing global cyber activity for the first half of February 2026 highlights a significant shift toward cloud-based exploitation and identity theft. Prominent ransomware groups like Qilin and The Gentlemen continue to dominate the landscape, frequently targeting manufacturing and technology sectors within the United States. The document identifies several trending malware families, such as CastleLoader and HYPERCALL, which utilize sophisticated social engineering and multi-stage execution to compromise infrastructure. Additionally, the brief warns of active vulnerabilities in widely used software like Notepad++ and SolarWinds, urging organizations to prioritize patching against these critical risks. Data indicates that small businesses bear the brunt of these attacks, representing the vast majority of documented victims. Ultimately, the source serves as a comprehensive guide for defenders to understand the evolving tactics and adversaries currently threatening digital security.