CISO perspectives on managing vulnerability risks in the age of AI
Learn how CISOs can mitigate cybersecurity risks and increase resilience in the age of AI-powered vulnerability management.
Office of the CISO
The Office of the Chief Information Security Officer (OCISO) is accountable for managing and prioritizing cybersecurity risk for Microsoft. This team oversees the company’s overall cyber defense, including the security of Microsoft products and business operations, and collaborates with Engineering teams to advance Secure Future Initiative (SFI) objectives.
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Insights from the 2026 Microsoft Digital Defense Report
Read highlights from the 2026 Microsoft Digital Defense Report, which reflects a security environment that continues to grow more interconnected. -
Improving security posture across the Microsoft partner ecosystem
Read how Microsoft strengthens partner ecosystem security with CSP vetting, least privilege access, monitoring, and risk management best practices. -
Securing the gaming culture of cultures
Read about the unique challenges and rewards of securing gaming platforms and how to better protect gaming communities. Retain Microsoft Defender Experts
Microsoft Defender Experts are available to strengthen your teams with expertise when and where you need it. Learn how to elevate your security with expert-led services.
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Defending consumer web properties against modern DDoS attacks
Read how to protect consumer websites and defend against modern DDoS attacks with layered security, resilient architecture, and graceful service degradation. -
8 best practices for CISOs conducting risk reviews
Embracing strong proactive security is something we can all do to mitigate our increased exposure to security threats. -
Making opportunistic cyberattacks harder by design
How Microsoft secures Dynamics 365 and Power Platform by removing credentials, reducing attack surfaces, and using platform engineering to block opportunistic threats. -
Applying security fundamentals to AI: Practical advice for CISOs
Read actionable advice for CISOs on securing AI, managing risk, and applying core security principles in today’s AI‑powered environment. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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The security implementation gap: Why Microsoft is supporting Operation Winter SHIELD
Most security incidents happen in the gap between knowing what matters and actually implementing security controls consistently. -
Security strategies for safeguarding governmental data
Discover key strategies and leadership insights to help government agencies protect sensitive data and strengthen overall cybersecurity resilience. -
How Microsoft builds privacy and security to work hand-in-hand
Learn how Microsoft unites privacy and security through advanced tools and global compliance to protect data and build trust. -
Access Fabric: A modern approach to identity and network access
An Access Fabric is a unified access security solution that continuously decides who can access what, from where, and under what conditions—in real time.
