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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...
Top MSRC 2020 Q4 Security Researchers – Congratulations!
We’re excited to announce the top contributing researchers for the 2020 Fourth Quarter Q4! Congratulations to all of the researchers who made this quarter’s leaderboard and a huge thank you to everyone who continues to help secure our customers and the ecosystem. The top three researchers of the...
Nobelium Resource Center - updated March 4, 2021
UPDATE: Microsoft continues to work with partners and customers to expand our knowledge of the threat actor behind the nation-state cyberattacks that compromised the supply chain of SolarWinds and impacted multiple other organizations. Microsoft previously used ‘Solorigate’ as the primary...
Security Analysis of CHERI ISA
Is it possible to get to a state where memory safety issues would be deterministically mitigated? Our quest to mitigate memory corruption vulnerabilities led us to examine CHERI Capability Hardware Enhanced RISC Instructions, which provides memory protection features against many exploited...
2020 年 10 月のセキュリティ更新プログラム (月例)
2020 年 10 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...
Concluding the Azure Sphere Security Research Challenge, Microsoft Awards $374,300 to Global Security Research Community
The Azure Sphere Security Research Challenge brought together 70 researchers from 21 countries to help secure Azure Sphere customers and expand Microsoft’s partnerships with the global IoT security research community. During the three-month Azure Sphere Security Research Challenge, researchers...
What to Expect When Reporting Vulnerabilities to Microsoft
At the Microsoft Security Response Center’s MSRC, our primary mission is to help protect our customers. One of the ways we do this is by working with security researchers to discover security vulnerabilities in our services and products, and then making sure those that pose a threat to customers...
New and improved Security Update Guide!
We’re excited to announce a significant update to the Security Update Guide, our one-stop site for information about all security updates provided by Microsoft. This new version will provide a more intuitive user experience to help protect our customers regardless of what Microsoft products or...
Microsoft Joins Open Source Security Foundation
Microsoft has invested in the security of open source software for many years and today I’m excited to share that Microsoft is joining industry partners to create the Open Source Security Foundation OpenSSF, a new cross-industry collaboration hosted at the Linux Foundation. The OpenSSF brings...
Microsoft Joins Open Source Security Foundation
Microsoft has invested in the security of open source software for many years and today I’m excited to share that Microsoft is joining industry partners to create the Open Source Security Foundation OpenSSF, a new cross-industry collaboration hosted at the Linux Foundation. The OpenSSF brings...
Updates to the Windows Insider Preview Bounty Program
Partnering with the research community is an important part of Microsoft’s holistic approach to defending against security threats. Bounty programs are one part of this partnership, designed to encourage and reward vulnerability research focused on the highest impact to customer security. The...
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...
2020 年 5 月のセキュリティ更新プログラム (月例)
2020 年 5 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...
The Safety Boat: Kubernetes and Rust
Our team, DeisLabs, recently released a new piece of software called Krustlet, which is a tool for running WebAssembly modules on the popular, open-source container management tool called Kubernetes. Kubernetes is used quite extensively to run cloud software across many vendors and companies and ...
March 2020 security updates are available
We have released the March 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...
[サイバーセキュリティ月間2020] マイクロソフト セキュリティパッチのきほん③
マイクロソフトでは、セキュリティ更新プログラムの適用を、よりシンプルに、より効率よくすることで、更新...
Announcing the Xbox Bounty program
We are pleased to announce the launch of the Xbox Bounty program today. The Xbox bounty program invites gamers, security researchers, and technologists around the world to help identify security vulnerabilities in the Xbox network and services, and share them with the Microsoft Xbox team through...
December 2019 security updates are available
We have released the December 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. As a reminder,...
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...
Announcing the Security Researcher Quarterly Leaderboard
Right before Black Hat USA 2019, we announced our new researcher recognition program, and at Black Hat we announced the top researchers from the previous twelve months. Since it’s easier to track your progress with regular updates than with just an annual report, we are excited to...
Announcing the Security Researcher Quarterly Leaderboard
Right before Black Hat USA 2019, we announced our new researcher recognition program, and at Black Hat we announced the top researchers from the previous twelve months. Since it’s easier to track your progress with regular updates than with just an annual report, we are excited to...
An intern's experience with Rust
Over the course of my internship at the Microsoft Security Response Center MSRC, I worked on the safe systems programming languages SSPL team to promote safer languages for systems programming where runtime overhead is important, as outlined in this blog. My job was to port a security critical...
October 2019 security updates are available!
We have released the October 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. As a reminder,...
Designing a COM library for Rust
I interned with Microsoft as a Software Engineering Intern in the MSRC UK team in Cheltenham this past summer. I worked in the Safe Systems Programming Language SSPL group, which explores safe programming languages as a proactive measure against memory-safety related vulnerabilities. This blog po...
[AD管理者向け] 2020 年 LDAP 署名と LDAP チャネルバインディングが有効化。確認を！
こんにちは、セキュリティ レスポンスチームの垣内ゆりかです。 2019 年 8 月に公開したセキュリティ アドバイザリ...
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...
Calling all breakers & builders: BlueHat Seattle registration is open!
@TODO: Exciting changes are coming to BlueHat Seattle 2019! If you’d like to attend this premier security conference, we have good news for you: registration for BlueHat Seattle is now open and we hope you register. Wait, isnt BlueHat invitation-only? It is…but if we haven’t sent you an invitatio...
2019 年 9 月のセキュリティ更新プログラム (月例)
2019 年 9 月 11 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...
Scalable infrastructure for investigations and incident response
Traditional computer forensics and cyber investigations are as relevant in the cloud as they are in on-premise environments, but the methods in which to access and perform such investigations differ. This post will describe some of the challenges of bringing on-premises forensics techniques to th...
Announcing the Microsoft Edge Insider Bounty
This week, we released the first Beta preview of the next version of Microsoft Edge. Alongside this, Microsoft is excited to announce the launch of the Microsoft Edge Insider Bounty Program. We welcome researchers to seek out and disclose any high impact vulnerabilities they may find in the next...
August 2019 Security Updates
We have released the August 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. As a reminder, Windo...
Corporate IoT - a path to intrusion
Several sources estimate that by the year 2020 some 50 billion IoT devices will be deployed worldwide. IoT devices are purposefully designed to connect to a network and many are simply connected to the internet with little management or oversight. Such devices still must be identifiable,...
Microsoft Announces Top Contributing Partners in the Microsoft Active Protections Program (MAPP)
Today we announce the top organizational candidates for Vulnerability Top Contributors, Threat Indicator Top Submitters, and Zero-Day Top Reporting for the period of July 1, 2018 – June 30, 2019. The Microsoft Active Protections Program provides security and protection to customers through...
A proactive approach to more secure code
What if we could eliminate an entire class of vulnerabilities before they ever happened? Since 2004, the Microsoft Security Response Centre MSRC has triaged every reported Microsoft security vulnerability. From all that triage one astonishing fact sticks out: as Matt Miller discussed in his 2019...
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...
Vulnerability hunting with Semmle QL, part 2
The first part of this series introduced Semmle QL, and how the Microsoft Security Response Center MSRC are using it to investigate variants of vulnerabilities reported to us. This post discusses an example of how we’ve been using it proactively, covering a security audit of an Azure firmware...
セキュリティ インテリジェンス レポート (SIR) 第 24 版公開
2019 年 2 月 28 日 米国時間、マイクロソフトは「マイクロソフト セキュリティ インテリジェンス レポート SIR 第 24...
2019 年 2 月のセキュリティ更新プログラム (月例)
2019 年 2 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...
Fuzzing para-virtualized devices in Hyper-V
Introduction Introduction Hyper-V is the backbone of Azure, running on its Hosts to provide efficient and fair sharing of resources, but also isolation. That’s why we, in the vulnerability research team for Windows, have been working in the background for years now helping secure Hyper-V. And why...
Standing behind “MSRC Listens”
Last week at BlueHat’s “MSRC Listens” session, I took the stage with Mechele Gruhn, manager of the Vulnerability Response PM team, to explain how MSRC is changing our communication, workflows, and tooling to deliver an improved user experience for our partners in the security research community. ...
2018 年 8 月のセキュリティ更新プログラム (月例)
2018 年 8 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...
May 2018 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. MSRC team...
February 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...
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...
Windows Defender Exploit Guard: 攻撃表面を縮小して次世代型マルウェアに対抗する
本記事は、Windows Security のブログ “Windows Defender Exploit Guard: Reduce the attack surface against next-generation malware” 2017 年 10 月 23 日 米国...
October 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...
Microsoft Office に関する報奨金プログラムの延長
本記事は、Microsoft Security Response Center のブログ “Extending the Microsoft Office Bounty Program” 2017 年 9 月 15 日 米...
Announcing the BlueHat v17 Schedule
September is here! The dash from the close of the call for papers to now has been amazing. We had nearly two hundred submissions spanning the gamut of security topics and presenters. The result is a solid schedule that will challenge and educate all attendees. On behalf of the content advisory...
Moving Beyond EMET II – Windows Defender Exploit Guard
Since we last wrote about the future of EMET and how it relates to Windows 10 back in November 2016 see Moving Beyond EMET, we have received lots of invaluable feedback from EMET customers and enthusiasts regarding the upcoming EMET end of life. Based on that feedback, we are excited to share...
[IT 管理者向け] TLS 1.2 への移行を推奨しています
こんにちは、垣内由梨香です データを暗号化し安全にやり取りを行う Transport Layer Security TLS。TLS は利用しているが、詳細なバージョンまでは把握してない、そんな方も多いのではないでしょうか？暗号プロトコルは「使ってさえいれば安全」ではありません。現在の脅威に対応できるバージョンのみを利用しリスクを下げることが重要です。 マイクロソフトでは、より安全な TLS 1.2 へ移行していくことを推奨しています。 2020/9/7 追記 各製品、サービスにおける TLS 1.0/1.1 の廃止予定については、次の情報を参考にしてください。 TLS 1.0 and 1...