BlueHat Seattle 2019 Call for Papers is Now Open!

2019 has seen a phenomenal BlueHatIL in February followed by a wildly successful BlueHat Shanghai in May… now it’s time to come back home for BlueHat Seattle! 2 days of hands-on technical training October 22-23, 2019 2 days of conference talks from industry-leading security researchers and cyber...

Acquiring a VHD to Investigate

In a previous post we described some of the differences between on-premises/physical forensics and cyber investigations and those performed in the cloud, and how this can make cloud forensics challenging. That blog post described a method of creating and maintaining a VM image which can be...

Azure Security Lab: a new space for Azure research and collaboration

Azure is exceptionally secure. To help keep it that way, we are doubling the top bounty reward for Azure vulnerabilities to $40,000. But we aren’t stopping there. To make it easier for security researchers to confidently and aggressively test Azure, we are inviting a select group of talented...

We need a safer systems programming language

In our first post in this series, we discussed the need for proactively addressing memory safety issues. Tools and guidance are demonstrably not preventing this class of vulnerabilities; memory safety issues have represented almost the same proportion of vulnerabilities assigned a CVE for over a...

Announcing the Microsoft Dynamics 365 Bounty program

One of Microsoft’s many security investments to protect customers is in the partnerships we build with the external security research community. We are excited to announce the launch of theDynamics 365 Bounty program and welcome researchers to seek out and disclose any high impact vulnerabilities...

June 2019 security update release

Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found on the Security Update Guide...

Microsoft Launches a New Recognition Program for MAPP Partners

There are many dedicated people and organizations who contribute to the protection and security of our common customers. For years, Microsoft has recognized security researchers for helping protect the ecosystem. Now, we’re announcing the launch of a new program to better recognize and thank...

First Steps in Hyper-V Research

Microsoft has put a lot of effort in Hyper-V security. Hyper-V, and the whole virtualization stack, runs at the core of many of our products: cloud computing, Windows Defender Application Guard, and technology built on top of Virtualization Based Security VBS. Because Hyper-V is critical to so mu...

更新プログラムが正しくインストールされたかを確認する方法 – Windows 10 の場合

本ブログ記事は初級レベルから中級レベルのコンピューター ユーザーを対象にしています。 Windows 8.1 をお使いのお客...

セキュリティ更新プログラム リリース スケジュール (2019 年)

2018 年のリリース スケジュールは「セキュリティ更新プログラム リリース スケジュール 2018 年」をご覧ください。...

[セキュリティ基本対策 5 か条] 第 1 条 最新の状態で利用する

注: この内容は一般の方を対象とした記述にしています。 今日はセキュリティ基本対策 5 か条の第 1 条「最新の...

2018 年 9 月のセキュリティ更新プログラム (月例)

2018 年 9 月 12 日 日本時間、マイクロソフトは以下のソフトウェアのセキュリティ更新プログラムを公開しまし...

The Making of the Top 100 Researcher List

At Black Hat USA each year, we unveil the Top 100 Security Researcher list to reflect the amazing engagement we get from the community. During this period, we had several thousand researchers engage with the Microsoft Security Response Center MSRC. We appreciate all the partnership and coordinati...

Recognizing Q3 Top 5 Bounty Hunters

Throughout the year, security researchers submit some amazing work to us under the Microsoft Bug Bounty program. Starting this quarter, we want to give a shout out to and acknowledge the hard work and dedication of the following individuals and companies who have contributed to securing Microsoft...

Triaging a DLL planting vulnerability

DLL planting aka binary planting/hijacking/preloading resurface every now and then, it is not always clear on how Microsoft will respond to the report. This blog post will try to clarify the parameters considered while triaging DLL planting issues. It is well known that when an application loads ...

March 2018 security update release

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this...

Inside the MSRC – How we recognize our researchers

This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center MSRC business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us to...

Clarifying the behavior of mandatory ASLR

Last week, the CERT/CC published an advisory describing some unexpected behavior they observed when enabling system-wide mandatory Address Space Layout Randomization ASLR using Windows Defender Exploit Guard WDEG and EMET on Windows 8 and above. In this blog post, we will explain the configuratio...

August 2017 security update release

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this...

Eternal Synergy Exploit Analysis

Introduction Introduction Recently we announced a series of blog posts dissecting the exploits released by the ShadowBrokers in April 2017; specifically some of the less explored exploits. This week we are going to take a look at Eternal Synergy, an SMBv1 authenticated exploit. This one is...

Tales from the MSRC: from pixels to POC

Is this thing still on? It’s been a while since we’ve posted to this blog and we think it’s time to start posting deep technical content about Security Research & Defense SRD again. For readers who are new or may have forgotten, this blog is the home of the MSRC Vulnerabilities & Mitigations...

BlueHat v17 Call for Papers Opens

Calling security professionals and enthusiasts throughout the world. Microsoft is pleased to open the Call for Papers for our BlueHat v17 Security Conference. Potential speakers have from June 1st through August 18th to submit abstract proposals for this unique opportunity. As in past events, we...

Coming together to address Encapsulated PostScript (EPS) attacks

Today’s security updates include three updates that exemplify how the security ecosystem can come together to help protect consumers and enterprises. We would like to thank FireEye and ESET for working with us. Customers that have the latest security updates installed are protected against the...

March 2017 security update release

Today we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found on the Security Update Guide. Security bulletins were also...

EMET 5.52 update is now available

EMET 5.52 is the latest version of the Enhanced Mitigation Experience Toolkit EMET and is now available for download. EMET 5.52 is a minor update from EMET 5.51 to address the following: An issue with the EAF mitigation that causes some applications to hang on Windows 7 SP1. A fix to the MSI...

November 2016 security update release

Today we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to apply security updates as soon as they are released. More information about this month’s security updates and advisories can be found in the Security...

Microsoft Bounty Programs Expansion – Azure and Project Spartan

Update 2/22/17: Removed Guest-to-Host DoS non-distributed, from a single guest from Hyper-V escape bounty list. I am excited to announce significant expansions to the Microsoft Bounty Programs. We are evolving the 'Online Services Bug Bounty, launching a new bounty for Project Spartan, and updati...

EMET 5.2 is available (update)

Today, we’re releasing the Enhanced Mitigation Experience Toolkit EMET 5.2, which includes increased security protections to improve your security posture. You can download EMET 5.2 from microsoft.com/emet or directly from here. Following is the list of the main changes and improvements: Control...

EMET 5.1 is available

Today, we’re releasing the Enhanced Mitigation Experience Toolkit EMET 5.1 which will continue to improve your security posture by providing increased application compatibility and hardened mitigations. You can download EMET 5.1 from microsoft.com/emet or directly from here. Following is the list...

Advance Notification Service for the October 2014 Security Bulletin Release

Today, we provide advance notification for the release of nine Security Bulletins. Three of these updates are rated Critical, five are rated as Important, and one is rated Moderate in severity. These updates are for Microsoft Windows, Internet Explorer, Office, .NET Framework, and ASP.NET. As per...

Announcing the Enhanced Mitigation Experience Toolkit (EMET) 5.0 Technical Preview

I’m here at the Moscone Center, San Francisco, California, attending the annual RSA Conference USA 2014. There’s a great crowd here and many valuable discussions. Our Microsoft Security Response Center MSRC engineering teams have been working hard on the next version of EMET, which helps customer...

Introduction: Chris Betz, new head of MSRC

By way of introduction, I am Chris Betz, the leader of the Microsoft Security Response Center MSRC. I’m stepping in to fill the shoes of Mike Reavey, who has moved on to become the General Manager of Secure Operations, still within Trustworthy Computing. Since joining the MSRC, I’ve spent time...

October 2013 Security Bulletin Webcast, Q&A, and Slide Deck

Today we’re publishing the October 2013 Security Bulletin Webcast Questions & Answers page. We fielded 11 questions during the webcast, with specific bulletin questions focusing primarily on the SharePoint MS13-084 and Kernel-Mode Drivers MS13-081 bulletins. There was one additional question that...

A new policy for store apps and the July 2013 security updates

There are those I’ve met who think my life is something akin to the classic comedy Groundhog Day. No, I don’t wake up to the musical stylings of Sonny and Cher each morning, but month after month after month, the second Tuesday rolls around and I’m involved in releasing security updates...

Doors Open for New Bounty Programs

As we announced last week, Microsoft is now offering $100,000 bounties for new exploitation techniques that can bypass our latest platform-wide defenses and up to $50,000 bonus bounties for defense ideas. We’re also offering from now until July 26 bounties of up to $11,000 for critical security...

EMET 4.0 now available for download

We are pleased to announce that the final release of version 4.0 of the Enhanced Mitigation Experience Toolkit , best known as EMET, is now finally available for download. You can download it from http://www.microsoft.com/en-us/download/details.aspx?id=39273. We already mentioned some of the new...

June 2013 Security Bulletin Webcast, Q&A, and Slide Deck

Today we’re publishing the June 2013 Security Bulletin Webcast Questions & Answers page. We fielded three questions during the webcast, with specific questions focusing primarily on Windows Print Spooler MS13-050, Microsoft Office MS13-051, and the security advisory addressing digital certificate...

The research never stops: Zhiniang Peng’s security research story

Some security researchers discover hacking early. Others discover it accidentally. For Zhiniang Peng, it started with curiosity and cybersecurity magazines...

From points to payouts: The evolution of the Microsoft security researcher leaderboard

The global security research community plays a critical role in helping Microsoft protect customers. Through their deep technical expertise, coordinated disclosure, and collaboration, researchers help identify and remediate vulnerabilities, and shape how our security programs evolve. Many of the...

Announcing the CVRF API 3.0 upgrade

At the Microsoft Security Response Center, we are committed to continuously improving the security and performance of our services to meet the evolving needs of our customers. We are excited to announce the rollout of the latest version of our Common Vulnerability Reporting CVRF API. This update...

Celebrating ten years of the Microsoft Bug Bounty program and more than $60M awarded

This year marks the tenth anniversary of the Microsoft Bug Bounty Program, an essential part of our proactive strategy to protect customers from security threats. Since its inception in 2013, Microsoft has awarded more than $60 million to thousands of security researchers from 70 countries. These...

Microsoft mitigates set of cross-site scripting (XSS) vulnerabilities in Azure Bastion and Azure Container Registry

Summary Microsoft recently mitigated a set of cross-site scripting vulnerabilities affecting Azure Bastion and Azure Container Registry ACR. Exploitation of these vulnerabilities could have potentially allowed for an unauthorized user to gain access to a target user's session within the compromis...

Announcing The BlueHat Podcast: Listen and Subscribe Now!

Available today on all major podcast platforms is The BlueHat Podcast, a new series of security research focused conversations, continuing the themes from the BlueHat 2023 conference session recordings available to watch here. Since 2005, BlueHat has been where the security research community, an...

Guidance on Potential Misconfiguration of Authorization of Multi-Tenant Applications that use Azure AD

Summary Microsoft has addressed an authorization misconfiguration for multi-tenant applications that use Azure AD, initially discovered by Wiz, and reported to Microsoft, that impacted a small number of our internal applications. The misconfiguration allowed external parties read and write access...

Configuring host-level audit logging for AKS VMSS

This blog post runs you through how to enable and configure Linux audit logging on your Azure Kubernetes Service AKS Virtual Machine Scale Set VMSS using the Linux auditing subsystem, also known as auditd. Warning The information provided below is accurate as of the release date of this blog post...

セキュリティ更新プログラムガイドの改善 – ホットパッチ更新プログラムの記載

本ブログは、Security Update Guide Improvement – Representing Hotpatch Updatesの抄訳版です。最新の情報は原文を参照してくださ...

マイクロソフト、Jupyter Notebooks for Azure Cosmos DB の脆弱性を修正

本ブログは、Microsoft Mitigates Vulnerability in Jupyter Notebooks for Azure Cosmos DB の抄訳版です。最新の情報は原文を参照してください。 概...

Vulnerability Fixed in Azure Synapse Spark

Summary Microsoft takes a proactive approach to continually probe our defenses, hunt for vulnerabilities, and seek new, innovative ways to protect our customers. Security researchers are an important part of this effort, and our collaborative partnership is critical in a world where cybersecurity...

セキュリティ更新プログラム ガイドの通知システム : 今すぐプロファイルを作成しましょう

本ブログは、Security Update Guide Notification System News: Create your profile now の抄訳版です。最新の情報は原文を参照してください。 セキ...

Security Update Guide Notification System News: Create your profile now

Sharing information through the Security Update Guide SUG is an important part of our ongoing effort to help customers manage security risks and keep systems protected. In January 2022 we introduced Phase One of a new way for customers to receive email notifications about new Microsoft product...