Digital Security News | Microsoft Security Blog

November 5 4 min read

What’s new in Microsoft Security: November 2026

Microsoft Security’s November 2026 updates strengthen AI agent security, least privilege, threat protection, and exposure management.
November 3 3 min read

Microsoft named a Leader in the 2026 Gartner® Magic Quadrant™ for AI Agent Management Platforms 

Read why Gartner named Microsoft a Leader in the inaugural 2026 Magic Quadrant for AI Agent Management Platforms.
October 29 5 min read

IDC MarketScape names Microsoft a Leader in the 2026 Worldwide Modern Endpoint Security for Enterprises Vendor Assessment

IDC has named Microsoft a Leader in the 2026 IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises.
October 19 9 min read

Agents are your newest insiders. Security must move at their speed.

New capabilities in Microsoft 365 E7 and Project Perception help organizations contain agent risk and adapt protection continuously.
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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October 16 4 min read

Managing open-weight model risk in enterprise deployments

New whitepaper from Microsoft and NVIDIA helps enterprises manage open-weight AI model risks with a shared taxonomy, evaluations, and controls.
October 1 4 min read

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.
October 1 4 min read

Preparing governments for an era of interconnected cyber risk

According to this year’s Microsoft Digital Defense Report, government agencies and services were the sector most impacted by cyber threats in 2026, accounting for 27% of observed activity, up from 17% in 2025.
September 24 3 min read

What’s new in Microsoft Security: September 2026

This month’s updates help you discover and control local AI agents, extend Zero Trust to agent traffic, and strengthen SOC foundations.
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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September 23 3 min read

Reimagining the SOC for the agentic era in Microsoft Defender

We are announcing ISOC in Microsoft Defender: a foundation built for agentic security that brings leading solutions for SIEM and threat protection together.
August 27 2 min read

What’s new in Microsoft Security: August 2026

This month’s updates provide new capabilities to help organizations gain insights into agent activity, expand security coverage across supported environments, and enhance security management across their environments.
August 19 7 min read

Microsoft named a Leader in the Frost Radar™: Cloud Workload Protection Platforms, 2026

Microsoft is named a visionary leader in the 2026 Frost Radar for Cloud Workload Protection Platforms, recognized for unified runtime security with Microsoft Defender for Cloud.
August 10 3 min read

Microsoft named a Leader in the 2026 IDC MarketScape for MDR/MXDR for the Enterprise

Microsoft is named a Leader in the 2026 IDC MarketScape for MDR services.