September 30, 2025 | Page 22 of 146 | Microsoft Security Blog

Secure and verify every identity with Microsoft Entra

Microsoft Entra expands beyond identity and access management with new product categories such as cloud infrastructure entitlement management (CIEM) and decentralized identity.

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September 30, 2025 5 min read

Empowering defenders in the era of agentic AI with Microsoft Sentinel

Microsoft Sentinel is expanding into an agentic platform with general availability of the Sentinel data lake, and the public preview of Sentinel graph and Sentinel Model Context Protocol (MCP) server.
September 25, 2025 4 min read

Introducing Microsoft Marketplace — Thousands of solutions. Millions of customers. One Marketplace.

To empower customers in becoming Frontier, we’re excited to announce the launch of the reimagined Microsoft Marketplace, your trusted source for cloud solutions, AI apps and agents.
September 25, 2025 13 min read

XCSSET evolves again: Analyzing the latest updates to XCSSET’s inventory

Microsoft Threat Intelligence has uncovered a new variant of the XCSSET malware, which is designed to infect Xcode projects, typically used by software developers building Apple or macOS-related applications.
September 24, 2025 4 min read

Retail at risk: How one alert uncovered a persistent cyberthreat

In the latest edition of our Cyberattack Series, we dive into real-world cases targeting retail organizations.
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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September 24, 2025 10 min read

AI vs. AI: Detecting an AI-obfuscated phishing campaign

Microsoft Threat Intelligence recently detected and blocked a credential phishing campaign that likely used AI-generated code to obfuscate its payload and evade traditional defenses, demonstrating a broader trend of attackers leveraging AI to increase the effectiveness of their operations and underscoring the need for defenders to understand and anticipate AI-driven threats.
September 23, 2025 6 min read

Microsoft Purview delivered 30% reduction in data breach likelihood

A recent Total Economic Impact™ (TEI) Of Microsoft Purview study by Forrester Consulting, commissioned by Microsoft, offers valuable insights into how organizations are modernizing their data protection strategies.
September 18, 2025 5 min read

Microsoft Defender delivered 242% return on investment over three years

The latest 2025 commissioned Forrester Consulting Total Economic Impact™ (TEI) study reveals a 242% ROI over three years for organizations that chose Microsoft Defender.
September 16, 2025 6 min read

Microsoft Purview innovations for your Fabric data: Unify data security and governance for the AI era

The Microsoft Fabric and Purview teams are thrilled to participate in the European Microsoft Fabric Community Conference.
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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September 5, 2025 2 min read

Azure mandatory multifactor authentication: Phase 2 starting in October 2025

Microsoft Azure is announcing the start of Phase 2 multi-factor authentication enforcement at the Azure Resource Manager layer, starting October 1, 2025.
August 27, 2025 23 min read

Storm-0501’s evolving techniques lead to cloud-based ransomware

Financially motivated threat actor Storm-0501 has continuously evolved their campaigns to achieve sharpened focus on cloud-based tactics, techniques, and procedures (TTPs).
August 27, 2025 4 min read

Microsoft ranked number one in modern endpoint security market share third year in a row

For a third year a row, Microsoft has been named the number one leader for endpoint security market share, as featured in a new IDC report.
August 26, 2025 8 min read

Securing and governing the rise of autonomous agents

Hear directly from Corporate Vice President and Deputy Chief Information Security Officer (CISO) for Identity, Igor Sakhnov, about how to secure and govern autonomous agents.