Purview Daily Hub

Purview 10 August 2026

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. Discover how Microsoft Defender Experts MDR combines AI, threat intelligence, and human expertise. The post Microsoft named a…

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Purview 10 August 2026

DeadLock ransomware: Breaking down a Rust-based encryptor with decentralized recovery infrastructure

Microsoft Threat Intelligence examines DeadLock ransomware, an emerging financially motivated operation distinguished by its use of decentralized infrastructure to support victim communications,…

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Purview 5 August 2026

​​Microsoft named a Leader in the KuppingerCole Leadership Compass for Cloud Native Application Protection Platforms (CNAPP)

Learn why KuppingerCole named Microsoft a Leader in its Leadership Compass: Cloud Native Application Protection Platforms report. The post ​​Microsoft named a Leader in the KuppingerCole Leadership…

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Purview 5 August 2026

From open lures to cloaked gates: How a macOS ClickFix campaign learned to hide

A macOS ClickFix campaign shifted tactics from openly serving infostealer lures to hiding them behind a browser-fingerprinting gate. The change makes malicious infrastructure harder to detect while…

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Purview 4 August 2026

ChainDrop supply chain compromise: Anatomy of a self-propagating worm

A credential-stealing worm hidden in more than 400 compromised npm packages automatically spread across software ecosystems by republishing malicious updates. This analysis details the attack chain,…

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Purview 4 August 2026

Advance Zero Trust for AI: New tools and guidance to secure AI agents and DevSecOps

Microsoft expands its Zero Trust for AI strategy to enhance security for AI and DevSecOps environments with new tools and guidance. The post Advance Zero Trust for AI: New tools and guidance to…

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Purview 4 August 2026

128 Seconds to disruption: Microsoft Defender stops ransomware at QNET

Microsoft Defender automatically isolated a compromised QNET endpoint in 128 seconds, stopping a multi-stage attack before the payload could persist or spread. The post 128 Seconds to disruption:…

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Purview 31 July 2026

CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft

Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals of hospitality-related organizations such as hotels since May 2026 in order…

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Purview 30 July 2026

​​​​What’s new in Microsoft Security: July 2026

This month’s updates help security and IT teams secure their AI environments, use AI to defend, and strengthen the foundations that AI-powered operations depend on. The post ​​​​What’s new in…

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Purview 29 July 2026

​​Better security starts with better questions

Learn how better questions, trusted AI, and human judgment help security leaders make confident decisions and build resilient systems. The post ​​Better security starts with better questions appeared…

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Purview 27 July 2026

Rethinking security for the age of AI

The physics of cybersecurity are changing. Introducing security's new cyber stack: Project Perception. The post Rethinking security for the age of AI appeared first on Microsoft Security Blog.

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Purview 27 July 2026

Enhancing AI security through global AI red teaming

Microsoft's External Red Team Alliance (EXTRA) is a global AI security initiative designed to advance AI safety research and red teaming. By partnering with universities, researchers, and regional…

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Purview 23 July 2026

Email threat landscape: Q2 2026 trends and insights

In the second quarter of 2026, the continuing effects of Microsoft’s disruption of the Tycoon2FA phishing platform contributed to sustained declines in several major phishing techniques, while threat…

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Purview 22 July 2026

Real world incident response: Microsoft and AXA XL strengthen cyber resilience

Our collaboration with AXA XL brings Microsoft Incident Response services directly to cyber insurance policyholders, helping organizations coordinate technical, business, and insurance decisions. The…

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Purview 17 July 2026

Microsoft at Black Hat USA 2026: Defending trust in the age of AI and supply chain attacks

Join Microsoft Security at Black Hat USA 2026 for supply chain research, hands-on security experiences, expert conversations, and our reception. The post Microsoft at Black Hat USA 2026: Defending…

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Purview 16 July 2026

ACR Stealer: Two observed intrusion chains amid increased threat activity

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer environments. These campaigns are successfully using ClickFix lures to steal…

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Purview 16 July 2026

Least privilege for AI agents: Identity, access, and tool binding

As AI agents become more autonomous, strong identity, access, and auditing controls are critical to keeping them secure. The post Least privilege for AI agents: Identity, access, and tool binding…

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Purview 16 July 2026

Unpacking the AsyncAPI npm supply chain compromise and import-time payload delivery

Threat actors compromised AsyncAPI packages and weaponized trusted CI/CD workflows to distribute malware through npm. This analysis breaks down the attack chain, payload delivery, and recommended…

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Purview 15 July 2026

Turning threat intelligence into decisive action with Defender Experts

Security teams have never had more visibility, yet rarely have they felt more uncertain. Signal pours in from endpoints, identities, cloud workloads, and a sprawling mix of third-party tools. The…

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