In today’s digital-first enterprise, identities have become the new corporate security perimeter. Hybrid work and cloud-first strategies have dissolved traditional network boundaries and dramatically increased the complexity of identity fabrics. Security teams are left managing a constellation of users, infrastructure, and tools scattered across hybrid environments or even[…]

The latest Microsoft Digital Defense Report 2025 paints a vivid picture of a cyberthreat landscape in flux. The surge in financially motivated cyberattacks and the persistent risk of nation-state actors demand urgent attention. But for those of us in the Office of the Chief Information Security Officer (CISO),[…]

On September 30, 2025, Microsoft announced a bold new vision for security: a unified, AI-powered platform designed to help organizations defend against today’s most sophisticated cyberthreats. But an equally important story—one that’s just beginning to unfold—is how the Microsoft Security Store is bringing this vision to life through[…]

Azure Blob Storage, like any object data service, is a high-value target for threat actors due to its critical role in storing and managing massive amounts of unstructured data at scale across diverse workloads. Organizations of all sizes use Blob Storage to support key workloads—such as AI, high[…]

Azure Blob Storage, like any object data service, is a high-value target for threat actors due to its critical role in storing and managing massive amounts of unstructured data at scale across diverse workloads. Organizations of all sizes use Blob Storage to support key workloads—such as AI, high[…]

We’re honored to share that Microsoft has again been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Security Information and Event Management (SIEM).1 We believe this recognition reinforces Microsoft Sentinel‘s position as an industry-leading, cloud and AI-powered SIEM—designed to solve SOC challenges head-on and streamline[…]

The Deputy CISO blog series is where Microsoft  Deputy Chief Information Security Officers (CISOs) share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start (and stop) deploying, forward-looking commentary on where the industry is going, and[…]

ExCyTIn-Bench is Microsoft’s newest open-source benchmarking tool designed to evaluate how well AI systems perform real-world cybersecurity investigations.1 It helps business leaders assess language models by simulating realistic cyberthreat scenarios and providing clear, actionable insights into how those tools reason through complex problems. In contrast to previous benchmarks[…]

At Microsoft, building a lasting security culture is more than a strategic priority—it is a call to action. Security begins and ends with people, which is why every employee plays a critical role in protecting both Microsoft and our customers. When secure practices are woven into how we[…]