June 19, 2026 update: Microsoft assesses with high confidence that this activity is attributable to Sapphire Sleet, a North Korean state actor that primarily targets the financial sector. The ...

ESET researchers analyzed the robust EDR-killing toolset of the ransomware-as-a-service gang Gentlemen. Since the beginning of 2026, Gentlemen has emerged as one of the most active gangs in the ...

Microsoft Threat Intelligence and Microsoft Defender Experts identified a Windows-based cryptocurrency clipper that has affected users since February of 2026. Clipper malware relies on stealing ...

A curated list of amazingly awesome open source intelligence tools and resources. Open-source intelligence (OSINT) is intelligence collected from publicly available sources. In the intelligence ...