The CISO imperative: Building resilience in an era of accelerated cyberthreats
The latest Microsoft Digital Defense Report 2025 paints a vivid picture of a cyberthreat landscape in flux.
Threat trends
Cybersecurity threats are always changing. Explore the latest trends—and learn how to stay ahead of them.
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Cyber Signals Issue 9 | AI-powered deception: Emerging fraud threats and countermeasures
Microsoft maintains a continuous effort to protect its platforms and customers from fraud and abuse. -
How cyberattackers exploit domain controllers using ransomware
Read how cyberattackers exploit domain controllers to gain privileged system access where they deploy ransomware that causes widespread damage and operational disruption. -
Microsoft Threat Intelligence healthcare ransomware report highlights need for collective industry action
Healthcare organizations are an attractive target for ransomware attacks. Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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Cyber Signals Issue 8 | Education under siege: How cybercriminals target our schools
This edition of Cyber Signals delves into the cybersecurity challenges facing classrooms and campuses, highlighting the critical need for robust defenses and proactive measures. -
How Microsoft discovers and mitigates evolving attacks against AI guardrails
Read about some of the key issues surrounding AI harms and vulnerabilities, and the steps Microsoft is taking to address the risk. -
How Microsoft Incident Response and Microsoft Defender for Identity work together to detect and respond to cyberthreats
Learn how Microsoft Incident Response works together with Microsoft Defender for Identity to give customers fast, flexible service—before, during, or after a cybersecurity incident occurs. -
Microsoft Threat Intelligence unveils targets and innovative tactics amidst tax season
Cybercriminals use social engineering during holidays and important events like tax season to steal user information. Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
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Secure SaaS applications with Valence Security and Microsoft Security
The rapid adoption of Software as a Service (SaaS) has revolutionized collaboration and innovation across industries. -
Announcing Microsoft’s open automation framework to red team generative AI Systems
Today, we are releasing an open automation framework, PyRIT (Python Risk Identification Toolkit for generative AI) to empower security professionals and machine learning engineers to proactively find risks in their generative AI systems. -
Cyber Signals: Navigating cyberthreats and strengthening defenses in the era of AI
Today we released the sixth edition of Cyber Signals, spotlighting the remarkable interest and impact driven by AI on the cybersecurity landscape. -
How Strata Identity and Microsoft Entra ID solve identity challenges in mergers and acquisitions
Along with every merger and acquisition between two companies comes the need to combine and strengthen their IT infrastructure.