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Tailored AI insights from Microsoft Security Copilot

Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.

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March 9 6 min read

Secure agentic AI for your Frontier Transformation

We are announcing the next step to make Frontier Transformation real for customers across every industry with Wave 3 of Microsoft 365 Copilot, Microsoft Agent 365, and Microsoft 365 E7: The Frontier Suite.
March 5 5 min read

Women’s History Month: Encouraging women in cybersecurity at every career stage

This Women’s History Month, we explore ways to support the next generation of female defenders at every career stage.
February 26 8 min read

Threat modeling AI applications

AI threat modeling helps teams identify misuse, emergent risk, and failure modes in probabilistic and agentic AI systems.
February 24 4 min read

Scaling security operations with Microsoft Defender autonomous defense and expert-led services

AI-powered cyberattacks outpace aging SOC tools, and this new guide explains why manual defense fails and how autonomous, expert-led security transforms modern protection.
Go beyond data protection with Microsoft Purview

Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.

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February 19 3 min read

New e-book: Establishing a proactive defense with Microsoft Security Exposure Management

Read the new maturity-based guide that helps organizations move from fragmented, reactive security practices to a unified exposure management approach that enables proactive defense.
February 17 4 min read

Unify now or pay later: New research exposes the operational cost of a fragmented SOC

New research from Microsoft and Omdia reveals how fragmented tools, manual workflows, and alert overload are pushing SOCs to a breaking point.
February 12 7 min read

Your complete guide to Microsoft experiences at RSAC™ 2026 Conference

Microsoft Security returns to RSAC Conference to show how Frontier Firms—organizations that are human-led and agent-operated—can stay ahead.
February 10 6 min read

80% of Fortune 500 use active AI Agents: Observability, governance, and security shape the new frontier

Read Microsoft’s new Cyber Pulse report for straightforward, practical insights and guidance on new cybersecurity risks.
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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February 9 3 min read

A one-prompt attack that breaks LLM safety alignment

As LLMs and diffusion models power more applications, their safety alignment becomes critical.
February 5 6 min read

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.
February 4 7 min read

Detecting backdoored language models at scale

We’re releasing new research on detecting backdoors in open-weight language models and highlighting a practical scanner designed to detect backdoored models at scale and improve overall trust in AI systems.
February 3 6 min read

Microsoft SDL: Evolving security practices for an AI-powered world

Discover Microsoft’s holistic SDL for AI combining policy, research, and enablement to help leaders secure AI systems against evolving cyberthreats.