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Announcing EMET 5.0
Today, we are excited to announce the general availability of the Enhanced Mitigation Experience Toolkit EMET 5.0. As many of you already know, EMET is a free tool, designed to help customers with their defense in depth strategies against cyberattacks, by helping detect and block exploitation...
Introducing Enhanced Mitigation Experience Toolkit (EMET) 4.1
In June 2013, we released EMET 4.0 and customer response has been fantastic. Many customers across the world now include EMET as part of their defense-in-depth strategy and appreciate how EMET helps businesses prevent attackers from gaining access to computers systems. Today, we’re releasing a ne...
Assessing risk for the July 2013 security updates
Today we released seven security bulletins addressing 34 CVE’s. Six bulletins have a maximum severity rating of Critical, and one has a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your environment. Bulleti...
New Bounty Programs – One Week In
Two weeks ago, Microsoft made an important evolutionary step in our work with the security community when we announced our first-ever bounty programs for security issues. One week ago, the Windows 8.1 Preview and Internet Explorer 11 Preview became available for download, and the doors officially...
A few more days before EMET 4
On May 8th, we announced that EMET 4 would have been released today, May 28th. Since that day, we had additional feedback and we are working on a few things that are requiring a little bit more time than expected. This considered, we are not releasing EMET 4 today, and we will take a few more day...
Strengthening secure software at global scale: How MSRC is evolving with AI
Cybersecurity has always been a race between defenders and attackers, constrained by human time, attention, and scale. What is changing now is the level of capability available to apply security fundamentals with far greater reach and speed...
How Asem Eleraky went from a shared family PC to finding critical vulnerabilities
In the world of vulnerability research, origin stories are rarely linear. For Asem Eleraky, the path to becoming a Microsoft MVR began not in a SOC lab or a university classroom, but with a single family PC and a short daily window to explore his growing interest in cybersecurity...
postMessaged and Compromised
At Microsoft, securing the ecosystem means more than just fixing bugs—it means proactively hunting for variant classes, identifying systemic weaknesses, and working across teams to protect customers before attackers ever get the chance. This blog highlights one such effort: a deep dive into the...
.NET Bounty Program now offers up to $40,000 in awards
We’re excited to announce significant updates to the Microsoft .NET Bounty Program. These changes expand the program’s scope, simplify the award structure, and offer great incentives for security researchers. The .NET Bounty Program now offers awards up to $40,000 USD for vulnerabilities impactin...
BlueHat 2023: Connecting the security research community with Microsoft
We’re excited to welcome more than 400 members of the security research community from around the world to Redmond, Washington for BlueHat 2023. Hosted by the Microsoft Security Response Center MSRC, BlueHat is where the security research community, and Microsoft security professionals, come...
2023 年 1 月のセキュリティ更新プログラム (月例)
2023 年 1 月 10 日 米国時間 、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Publishing CBL-Mariner CVEs on the Security Update Guide CVRF API
Microsoft is pleased to announce that beginning January 11, 2023, we will publish CBL-Mariner CVEs in the Security Update Guide SUG Common Vulnerability Reporting Framework CVRF API. CBL-Mariner is a Linux distribution built by Microsoft to power Azure’s cloud and edge products and services and i...
Investigation Regarding Misconfigured Microsoft Storage Location
October 28, 2022 update: Added a Customer FAQ section. Summary Security researchers at SOCRadar informed Microsoft on September 24, 2022, of a misconfigured Microsoft endpoint. This misconfiguration resulted in the potential for unauthenticated access to some business transaction data correspondi...
Improvements in Security Update Notifications Delivery - And a New Delivery Method
At MSRC, we are passionate about ensuring our customers have a positive experience when they use the Microsoft Security Update Guide SUG. A big part of improving that experience is ensuring that customers have timely and easily accessible notifications. As such we have two important announcements...
2022 年 9 月のセキュリティ更新プログラム (月例)
2022 年 9 月 13 日 米国時間、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
What’s the smallest variety of CHERI?
The Portmeirion project is a collaboration between Microsoft Research Cambridge, Microsoft Security Response Center, and Azure Silicon Engineering & Solutions. Over the past year, we have been exploring how to scale the key ideas from CHERI down to tiny cores on the scale of the cheapest...
Service Fabric におけるLinux 上のコンテナ化されたワークロードからの特権昇格について
本ブログは、 Service Fabric Privilege Escalation from Containerized Workloads on Linux の抄訳版です。最新の情報は原文を参照してください。 協調的な脆弱性の公開...
Anatomy of a Security Update
The Microsoft Security Response Center is part of the defender community and on the front line of security response for our customers and the company. Our mission is to protect customers and Microsoft from current and emerging threats related to security and privacy. We monitor threats and provid...
Expanding High Impact Scenario Awards for Microsoft Bug Bounty Programs
We are excited to announce the addition of scenario-based bounty awards to the Dynamics 365 and Power Platform Bounty Program and M365 Bounty Program. Through these new scenario-based bounty awards, we encourage researchers to focus their research on vulnerabilities that have the highest potentia...
Disclosure of Vulnerability in Azure Automation Managed Identity Tokens
On December 10, 2021, Microsoft mitigated a vulnerability in the Azure Automation service. Azure Automation accounts that used Managed Identitiestokens for authorization and an Azure Sandbox for job runtime and execution were exposed. Microsoft has not detected evidence of misuse of tokens...
ウクライナにおけるサイバー脅威アクティビティ: 分析とリソース
本ブログは、Cyber threat activity in Ukraine: analysis and resources – Microsoft Security Response Center の抄訳版です。最新の情報は原文を参照してください。 2022 年...
We’re Excited to Announce the Launch of Comms Hub!
We are excited to announce the launch of Comms Hub to the Researcher Portal submission experience! With this launch, security researchers will be able to streamline communication with MSRC case SPMs case managers, attach additional files, track case and bug bounty status all in the Researcher...
Microsoft のバグハンティング：脆弱性発見者へのインタビューとMSRCについて ～ CODE BLUE Open Talkより
より安全で安心な製品やサービスを提供するために、マイクロソフトでは、マイクロソフトの製品やサービスに...
Coordinated disclosure of vulnerability in Azure Container Instances Service
Microsoft recently mitigated a vulnerability reported by a security researcher in the Azure Container Instances ACI that could potentially allow a user to access other customers’ information in the ACI service. Our investigation surfaced no unauthorized access to customer data. Out of an abundanc...
Point and Print Default Behavior Change
Our investigation into several vulnerabilities collectively referred to as “PrintNightmare” has determined that the default behavior of Point and Print does not provide customers with the level of security required to protect against potential attacks. Today, we are addressing this risk by changi...
2021 年 MSRC 最優秀セキュリティ研究者の表彰
本記事は「Congratulations to the MSRC 2021 Most Valuable Security Researchers!」の日本語抄訳です。 MSRC...
2021 年 4 月のセキュリティ更新プログラム (月例)
2021 年 4 月 14 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...
2021 年 3 月のセキュリティ更新プログラム (月例)
2021 年 3 月 10 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...
On-Premises Exchange Server Vulnerabilities Resource Center - updated March 25, 2021
On March 2nd, we released several security updates for Microsoft Exchange Server to address vulnerabilities that are being used in ongoing attacks. Due to the critical nature of these vulnerabilities, we recommend that customers protect their organizations by applying the patches immediately to...
MSRC Security Researcher Recognition: 2021
Wondering how to get into the 2021 MSRC Most Valuable Security Researcher list and get recognized during the Black Hat USA this August? Read on to learn more about the different paths you can take to get into the top researcher tiers. The MSRC Most Valuable Security Researcher MVR and MSRC...
新しいセキュリティ更新プログラム ガイドでの脆弱性情報の詳細
新しいバージョンのセキュリティ更新プログラムについては下記の関連ブログもご覧ください。 「新しいセキュ...
Microsoft Digital Defense Report でサイバーセキュリティの動向を知る
2020 年 9 月マイクロソフトは、昨年のサイバーセキュリティの動向を網羅した「Microsoft Digital Defense Repo...
Control Flow Guard for Clang/LLVM and Rust
As part of our ongoing efforts towards safer systems programming, we’re pleased to announce that Windows Control Flow Guard CFG support is now available in the Clang C/C++ compiler and Rust. What is Control Flow Guard? What is Control Flow Guard? CFG is a platform security technology designed to...
2020 年 7 月のセキュリティ更新プログラム (月例)
2020 年 7 月 15 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...
Solving Uninitialized Kernel Pool Memory on Windows
This blog post outlines the work that Microsoft is doing to eliminate uninitialized kernel pool memory vulnerabilities from Windows and why we’re on this path. For a background on why uninitialized memory matters and what options have been used in the past to tackle this issue, please see our...
Congratulating Our Top 2020 Q1 Security Researchers!
Following the second Security Researcher Quarterly Leaderboard and the 2020 MSRC Most Valuable Security Researchers criteria we published in February 2020, we are excited to announce the 2020 First Quarter Q1 Security Researcher Leaderboard, listing our top contributing researchers for the last...
February 2020 security updates are available
We have released the February 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 in the Security Update Guide...
BlueHat Seattle videos are online!
Were you unable to attend BlueHat Seattle, or wanted to see a session again? We have good news. If you have been waiting for the videos from BlueHat Seattle last month, the wait is over. All videos which the presenter authorized to be recorded are now online and available to anyone...
Time for day 2 of briefings at BlueHat Seattle!
We hope you enjoyed the first day of our BlueHat briefings and the Bytes of BlueHat reception in our glamping tent complete with toasted marshmallows. Yesterday, we learned a lot about how XboxOne hardware security has advanced the state of hardware security elsewhere, we heard some surprising...
Introducing the ElectionGuard Bounty program
Today we are launching the ElectionGuard Bounty program. In May 2019, we announced the release of ElectionGuard, a free open-source SDK to make voting more secure, transparent, and accessible. ElectionGuard enables end-to-end verification of elections, open results to third-party organizations fo...
2019 年 10 月のセキュリティ更新プログラム (月例)
2019 年 10 月 9 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...
Meet the BlueHat Content Advisory Board
We couldn’t do BlueHat without the Content Advisory Board, the brain trust reviewing submissions to the CFP. Representing both Microsoft and other parts of security community, the CAB applies their industry and speaker experience to create the BlueHat agenda that’s the right mix of topics and...
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...
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...
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...
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...
2019 年 3 月のセキュリティ更新プログラム (月例)
2019 年 3 月 13 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...
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...
[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...
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...