Windows Defender

A developer discovered a Windows trojan, Trojan:Win64/Lazy.PGPK!MTB, hidden in a typosquatting GitHub repository for an MCP server. The attacker used a staged launcher with a CMD wrapper and obfuscate…

A developer's open-source security scanner for MCP servers, MCPSense, was flagged as a trojan by Windows Defender within its first week of release, with only 1 out of 71 antivirus engines on VirusTota…

Microsoft's April 2026 Patch Tuesday addressed a record 167 security vulnerabilities, including a SharePoint Server zero-day (CVE-2026-32201) already under active attack and a publicly disclosed Windo…