EUVD-2025-14436

Malicious code in bioql PyPI...

EUVD-2021-29287

Malicious code in bioql PyPI...

EUVD-2022-28352

Malicious code in bioql PyPI...

Microsoft named a Leader in the IDC MarketScape for XDR

When cybersecurity stakes are high and complexity is the norm, Microsoft doesn’t just participate, it excels with Microsoft Defender XDR—built to anticipate, disrupt, and outpace modern cyberthreats. We are excited to announce that Microsoft has been named a Leader in the IDC MarketScape: Worldwi...

Microsoft Defender delivered 242% return on investment over three years​​

The latest Forrester Total Economic Impact™ TEI study reveals a 242% return on investment ROI over three years for organizations that chose Microsoft Defender. It helps security leaders consolidate tools, reduce overhead, and empower their security operations SecOps teams with operational...

Microsoft Defender delivered 242% return on investment over three years​​

The latest Forrester Total Economic Impact™ TEI study reveals a 242% return on investment ROI over three years for organizations that chose Microsoft Defender. It helps security leaders consolidate tools, reduce overhead, and empower their security operations SecOps teams with operational...

CVE-2025-4234

A problem with the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack can result in exposure of user credentials in application logs. Normally, these application logs are only viewable by local users and are included when generating logs for troubleshooting purposes. This means that these...

CVE-2025-4234

Affected software: Cortex XDR Microsoft 365 Defender Pack (Palo Alto Networks). Vulnerability: possibility of cleartext exposure of user credentials in application logs that are normally viewable by local users and included in troubleshooting logs. Root cause: logs may contain credentials, exposi...

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

Amidst the backdrop of a surging number of ransomware campaigns worldwide, organizations have increasingly chosen Microsoft Defender’s endpoint security as their preferred solution. It’s engineered to disrupt cyberattacks and not business continuity. As a result, for a third year a row, Microsoft...

Announcing public preview: Phishing triage agent in Microsoft Defender

Intelligent triage for a more agile, autonomous SOC At Microsoft Secure 2025, we introduced a new wave of innovations across Microsoft Defender aimed at redefining what AI can do for security operations. At the center of these announcements was the launch of 11 Security Copilot agents, each...

Elevate your protection with expanded Microsoft Defender Experts coverage

Defender Experts now offers 24/7, expert-driven protection for cloud workloads, beginning with hybrid and multicloud servers in Microsoft Defender for Cloud. Additionally, third-party network signals can be used in Microsoft Defender Experts for XDR to enhance incidents for faster and more accura...

PT-2025-31774 · Undefined · Undefined

hey @Microsoft when Defender started scanning for non-malicious documents like pandemic compliance forms, it crossed from security into behavioral monitoring. Microsoft's transparency failures around this documented in CVE-2020-16883 validated many professionals' concerns...

Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems. The tech giant, in an update shared Wednesday, said the findings are based on an "expanded analysis and threat intelligence from our continu...

Transparency on Microsoft Defender for Office 365 email security effectiveness

In today’s world, cyberattackers are relentless. They are often well-resourced, highly sophisticated, and constantly innovating, which means the effectiveness of cybersecurity solutions must be continuously evaluated, not assumed. Yet, despite the critical role email security plays in protecting...

Microsoft is named a Leader in the 2025 Gartner® Magic Quadrant™ for Endpoint Protection Platforms

Since 2022, the number of human-operated ransomware-linked encounters by organizations surged by 2.75x. Yet, Microsoft Defender for Endpoint has outpaced this rise, reducing the number of successful attacks by 3x, proving its power to turn the tide against evolving cyberthreats.1 Defender for...

Protecting customers from Octo Tempest attacks across multiple industries

In recent weeks, Microsoft has observed Octo Tempest, also known as Scattered Spider, impacting the airlines sector, following previous activity impacting retail, food services, hospitality organizations, and insurance between April and July 2025. This aligns with Octo Tempest’s typical patterns ...

📄 Microsoft Defender for Endpoint Privilege Escalation

Proof of concept exploit that demonstrates a privilege escalation vulnerability in Microsoft Defender for Endpoint MDE. !/bin/bash Exploit Title: Microsoft Defender for Endpoint MDE - Elevation of Privilege Date: 2025-05-27 Exploit Author: Rich Mirch Vendor Homepage:...

Microsoft Defender for Endpoint (MDE) - Elevation of Privilege

!/bin/bash Exploit Title: Microsoft Defender for Endpoint MDE - Elevation of Privilege Date: 2025-05-27 Exploit Author: Rich Mirch Vendor Homepage: https://learn.microsoft.com/en-us/defender-endpoint/ Software Link:...

Planning your move to Microsoft Defender portal for all Microsoft Sentinel customers

In November 2023, Microsoft announced our strategy to unify security operations by bringing the best of XDR and SIEM together. Our first step was bringing Microsoft Sentinel into the Defender portal, giving teams a single, comprehensive view of incidents, reducing queue management, enriched threa...

Discover how automatic attack disruption protects critical assets while ensuring business continuity

Traditional security solutions often operate in a one-size-fits-all alert model that treats every detection equally, regardless of how important the asset is. But not all assets are equal. Critical assets are systems governing access, identity, or sensitive data. They are essential to an...