Defender

Microsoft is overhauling its cybersecurity business around AI, cutting hundreds of jobs and merging engineering teams under new security chief Hayete Gallot. The company aims to compete with AI labs l…

Microsoft announced the Microsoft Execution Containers (MXC) SDK to secure AI agents on Windows, providing policy-driven isolation mechanisms such as process, session, and planned micro-VM containment…

Microsoft at Build 2026 announced the general availability of MDASH, its multi-model agentic security system, now integrated into a full enterprise security control plane connecting Defender, GitHub C…