Microsoft Overhauls Security Leadership as AI Expands Enterprise Attack Surface

Microsoft has reorganized its security and engineering-quality leadership to centralize responsibility and tighten oversight: Hayete Gallot returns as EVP of Security, Charlie Bell will focus on engineering quality under a Quality Excellence Initiative, and Ales Holecek is named Chief Architect for Security, with security and quality reporting directly to CEO Satya Nadella to improve platform reliability; the report also briefly confirms a Windows update issue preventing some PCs from shutting down or entering hibernation.