Content by Mark Russinovich (4)

Mark Russinovich explains why debugging generative AI systems differs from traditional software debugging, focusing on probabilistic behavior, agentic decision chains, and why outcomes can vary from run to run.

Mark Russinovich discusses why Win32 is still treated as a first-class Windows API surface in 2026, and how Windows’ long-term compatibility commitments and the size of the desktop software ecosystem keep “legacy” APIs operationally essential.

Mark Russinovich presents Microsoft’s preview of Signing Transparency, a new Azure-based transparency log service designed to strengthen software supply chain security through immutable signature records and confidential computing.

Written by Mark Russinovich, this blog offers an in-depth look at Project Flash—a cross-division Azure initiative—outlining its latest advancements in virtual machine availability monitoring, new integrations, and real-world benefits for teams managing Azure infrastructure.