Windows 11 is out. Is it any good for security?

Windows 11, the latest operating system OS from Microsoft, launches today, and organizations have begun asking themselves when and if they should upgrade from Windows 10 or older versions. The requirements and considerations of each organization will be different, and many things will inform the...

Defend against zero-day exploits with Microsoft Defender Application Guard

Zero-day security vulnerabilities—known to hackers, but unknown to software creators, security researchers, and the public—are like gold to attackers. With zero-days, or even zero-hours, developers have no time to patch the code, giving hackers enough access and time to explore and map internal...

Defend against zero-day exploits with Microsoft Defender Application Guard

Zero-day security vulnerabilities—known to hackers, but unknown to software creators, security researchers, and the public—are like gold to attackers. With zero-days, or even zero-hours, developers have no time to patch the code, giving hackers enough access and time to explore and map internal...

Windows Defender Application Guard Denial Of Service Vulnerability

Windows Defender Application Guard also known as "WDAG", Microsoft Defender Application Guard, and "MDAG" can be closed by any script or website loaded in WDAG by redirecting the browser to a URL with a long hostname e.g, 10,000 characters long. This can cause a denial-of-service condition. Impac...

Windows Defender Application Guard Denial Of Service

Windows Defender Application Guard also known as "WDAG", Microsoft Defender Application Guard, and "MDAG" can be closed by any script or website loaded in WDAG by redirecting the browser to a URL with a long hostname e.g, 10,000 characters long. This can cause a denial-of-service condition. Impac...

Wsb-Detect - Tool To Detect If You Are Running In Windows Sandbox ("WSB")

wsb-detect enables you to detect if you are running in Windows Sandbox "WSB". The sandbox is used by Windows Defender for dynamic analysis, and commonly manually by security analysts and alike. At the tail end of 2019, Microsoft introduced a new feature named Windows Sandbox WSB for short. The...

Building on secure productivity

Among the most common and powerful attack vectors we have seen are those that exploit the daily tradeoff users make between security and productivity. Often, this can be as simple as a document hiding an exploit or a malicious link. As an industry, we’re used to thinking of security and...

Further enhancing security from Microsoft, not just for Microsoft

Legacy infrastructure. Bolted-on security solutions. Application sprawl. Multi-cloud environments. Company data stored across devices and apps. IT and security resource constraints. Uncertainty of where and when the next attack or leak will come, including from the inside. These are just a few of...

May 21, 2019—KB4499183 (OS Build 17134.799)

May 21, 2019—KB4499183 OS Build 17134.799 The Windows 10 April 2018 Update will reach end of service on November 12, 2019 for Home and Pro editions. We will begin updating devices running the Windows 10 April 2018 Update starting July 16, 2019 to help ensure that these devices remain in a service...

May 21, 2019—KB4497934 (OS Build OS 17763.529)

May 21, 2019—KB4497934 OS Build OS 17763.529 Starting with update KB4497934, we are introducing functionality that allows you to decide when to install a feature update. You control when you get a feature update while simultaneously keeping your devices up to date. Feature updates that are...

New browser extensions for integrating Microsoft’s hardware-based isolation

The hardware-based isolation technology on Windows 10 that allows Microsoft Edge to isolate browser-based attacks is now available as a browser extension for Google Chrome and Mozilla Firefox. We introduced the container technology in 2017. Since then, we have been evolving the technology and...

June 21, 2018—KB4284822 (OS Build 16299.522)

June 21, 2018—KB4284822 OS Build 16299.522 Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addresses an application performance degradation issue in operating system functions. This...

August 14, 2018—KB4343909 (OS Build 17134.228)

August 14, 2018—KB4343909 OS Build 17134.228 Note This release also contains updates for Microsoft HoloLens OS Build 17134.228 released August 14, 2018. Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key...

Windows Defender Application Guard で Microsoft Edge を最もセキュアなブラウザーに

本記事は、Windows Security のブログ “Making Microsoft Edge the most secure browser with Windows Defender Application Guard” 2017 年 10 月 23 日 米国時間...

Making Microsoft Edge the most secure browser with Windows Defender Application Guard

Innovation in the attack space is constant as adversaries increase in both determination and sophistication. In response to increased investments in defense, attackers are adapting and improving tactics at breakneck speed. The good news is that defenders are also innovating and disrupting long...

Announcing the Windows Bounty Program

Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves investing in defensive technologies that make it difficult and costly for attackers to find, exploit...

Announcing the Windows Bounty Program

Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves investing in defensive technologies that make it difficult and costly for attackers to find, exploit...

Announcing the Windows Bounty Program

Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves investing in defensive technologies that make it difficult and costly for attackers to find, exploit...