Microsoft Defender

Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.

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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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October 31, 2024

8 min read

Chinese threat actor Storm-0940 uses credentials from password spray attacks from a covert network

Since August 2023, Microsoft has observed intrusion activity targeting and successfully stealing credentials from multiple Microsoft customers that is enabled by highly evasive password spray attacks.
November 4, 2024

6 min read

How Microsoft Defender for Office 365 innovated to address QR code phishing attacks

This blog examines the impact of QR code phishing campaigns and the innovative features of Microsoft Defender for Office 365 that help combat evolving cyberthreats.
November 19, 2024

5 min read

AI innovations for a more secure future unveiled at Microsoft Ignite

Company delivers advances in AI and posture management, unprecedented bug bounty program, and updates on its Secure Future Initiative.
November 22, 2024

10 min read

Microsoft shares latest intelligence on North Korean and Chinese threat actors at CYBERWARCON

At CYBERWARCON 2024, Microsoft Threat Intelligence analysts will share research and insights on North Korean and Chinese threat actors representing years of threat actor tracking, infrastructure monitoring and disruption, and their attack tooling.
Streamline privacy management with Microsoft Priva
Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.
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December 4, 2024

16 min read

Frequent freeloader part I: Secret Blizzard compromising Storm-0156 infrastructure for espionage

Microsoft has observed Secret Blizzard compromising the infrastructure and backdoors of the Pakistan-based threat actor we track as Storm-0156 for espionage against the Afghanistan government and Indian Army targets.
December 10, 2024

11 min read

New Microsoft Purview features help protect and govern your data in the era of AI

Microsoft Purview delivers unified data security, governance, and compliance for the era of AI.
December 11, 2024

7 min read

Microsoft Defender XDR demonstrates 100% detection coverage across all cyberattack stages in the 2024 MITRE ATT&CK® Evaluations: Enterprise

For the sixth year in a row, Microsoft Defender XDR demonstrated industry-leading extended detection and response (XDR) capabilities in the independent MITRE ATT&CK® Evaluations: Enterprise.
December 11, 2024

14 min read

Frequent freeloader part II: Russian actor Secret Blizzard using tools of other groups to attack Ukraine

Since January 2024, Microsoft has observed Secret Blizzard using the tools or infrastructure of other threat groups to attack targets in Ukraine and download its custom backdoors Tavdig and KazuarV2.
Simplify endpoint management with Microsoft Intune
Microsoft Intune is a cloud-based unified endpoint management platform that empowers IT to manage, assess, and protect apps and devices.
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December 17, 2024

3 min read

Microsoft Defender for Cloud named a Leader in Frost Radar™ for CNAPP for the second year in a row!

In the ever-evolving landscape of cloud security, Microsoft continues to assert its dominance with its comprehensive and innovative solutions.
December 19, 2024

7 min read

New Microsoft guidance for the CISA Zero Trust Maturity Model

New Microsoft guidance is now available for United States government agencies and their industry partners to help implement Zero Trust strategies and meet CISA Zero Trust requirements.
January 6

7 min read

Why security teams rely on Microsoft Defender Experts for XDR for managed detection and response

Microsoft Defender Experts for XDR is a mature and proven service that triages, investigates, and responds to incidents and hunts for threats on a customer’s behalf around the clock.
January 13

9 min read

Analyzing CVE-2024-44243, a macOS System Integrity Protection bypass through kernel extensions

Microsoft discovered a macOS vulnerability allowing attackers to bypass System Integrity Protection (SIP) by loading third party kernel extensions, which could lead to serious consequences, such as allowing attackers to install rootkits, create persistent malware, bypass Transparency, Consent, and Control (TCC), and expand the attack surface to perform other unauthorized operations.