Milestone release of Microsoft’s C# SDK for the Model Context Protocol brings full support for the 2025-11-25 version of the MCP Specification.
Seven Windows authentication paths bypass MFA protections, enabling credential attacks through AD, NTLM, Kerberos, RDP, SMB, and service accounts.
Ransomware threat actors tracked as Velvet Tempest are using the ClickFix technique and legitimate Windows utilities to deploy the DonutLoader malware and the CastleRAT backdoor.