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Researcher Spotlight: Dr. Nestori Syynimaa’s Constant Mission Protecting Identities
"When you find the things I find, they really matter. They affect everybody’s security.” Currently streaming : The Expanse and Lost in Space on Netflix Currently listening to : Amorphis, Architects, and Killswitch Engage Currently running : 130 kilometers or 80 miles a month Currently playing :...
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...
Point and Print の既定動作の変更
本記事は「Point and Print Default Behavior Change」の日本語抄訳です。 "PrintNightmare" と総称されるいくつかの脆弱性を調査した...
Introducing Bounty Awards for Teams Mobile Applications Security Research
We are pleased to announce the addition of Microsoft Teams mobile applications to the Microsoft Applications Bounty Program. Through the expanded program we welcome researchers from across the globe to seek out and disclose any high impact security vulnerabilities they may find in Teams mobile...
Introducing Bounty Awards for Teams Desktop Client Security Research
Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. As much of the world has shifted to working from home in the last year, Microsoft Teams has enabled people to stay connected, organized, and collaborate...
Continuing to Listen: Good News about the Security Update Guide API!
Based on user feedback we have simplified programmatic access to the security update data by removing the authentication and API-Key requirements when using the CVRF API. You will no longer have to log in to obtain a personal API key to access the data. Were happy to make this valuable public...
New and Improved Report Abuse Portal and API!
The Report Abuse CERT Portal and Report Abuse API have played a significant role in MSRC’s response to suspected cyberattacks, privacy issues, and abuse originating from Microsoft Online Services. With the contributions from our wonderful community of reporters, we continue to gain insightful...
2021 年 1 月のセキュリティ更新プログラム (月例)
2021 年 1 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...
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...
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...
Top MSRC 2020 Q2 Security Researchers Announced – Congratulations!
We are excited to announce the top contributing researchers for the 2020 Second Quarter Q2! Congratulations to all the researchers who continue to rock the leaderboard, and a big thank you to everyone for your contribution to securing our customers and the ecosystem. The top three researchers of...
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...
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...
安心・安全に利用するために : 基本のセキュリティ設定を確認しましょう (Windows 10)
昨今は、リモートワークのために、企業や組織で新たに持ち出し用デバイスを展開したり、あるいは、個人で所...
2020 年 4 月のセキュリティ更新プログラム (月例)
2020 年 4 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...
カスタマー サポート データベースのアクセス構成の誤りについて
本記事は、Microsoft Security Response Center ブログ “Access Misconfiguration for Customer Support Database” 2020 年 1 月 22 日 米国時間...
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...
セキュリティ更新プログラム リリース スケジュール (2020 年)
2019 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 2019 年」をご覧ください。...
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...
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...
Why Rust for safe systems programming
In this series, we have explored the need for proactive measures to eliminate a class of vulnerabilities and walked through some examples of memory safety issues we’ve found in Microsoft code that could have been avoided with a different language. Now we’ll peek at why we think that Rust represen...
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...
July 2019 Security Update Release
We have released the July 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...
Time travel debugging: It’s a blast! (from the past)
The Microsoft Security Response Center MSRC works to assess vulnerabilities that are externally reported to us as quickly as possible, but time can be lost if we have to confirm details of the repro steps or environment with the researcher to reproduce the vulnerability. Microsoft has made our...
Time travel debugging: It’s a blast! (from the past)
The Microsoft Security Response Center MSRC works to assess vulnerabilities that are externally reported to us as quickly as possible, but time can be lost if we have to confirm details of the repro steps or environment with the researcher to reproduce the vulnerability. Microsoft has made our...
May 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...
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...
Local privilege escalation via the Windows I/O Manager: a variant finding collaboration
The Microsoft Security Response Center MSRC investigates all reports of security vulnerabilities affecting Microsoft products and services to help make our customers and the global online community more secure. We appreciate the excellent vulnerability research reported to us regularly from the...
November 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...
Windows Update の利用手順 – Windows 7 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 10 をお使いのお客...
September 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 in the Security Update Guide. MSRC team...
July 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...
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...
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 ...
Mitigating speculative execution side channel hardware vulnerabilities
On January 3rd, 2018, Microsoft released an advisory and security updates related to a newly discovered class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown that affect AMD, ARM, and Intel CPUs to varying degrees. If you haven’t had a chanc...
2018 年 3 月のセキュリティ更新プログラム (月例)
2018 年 3 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...
2018 年 1 月のセキュリティ更新プログラム (月例)
2018 年 1 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...
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...
サイバー レジリエンスに関するマイクロソフトの見解
本記事は、Ann Johnson Vice President、Enterprise Cybersecurity Group による Microsoft Secure Blog への投稿 “Microso...
September 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...
Extending the Microsoft Edge Bounty Program
Over the past ten months we have paid out over $200,000 USD in bounties. This collaboration with the research community has resulted in significant improvements in Edge security and has allowed us to offer more proactive security for our customers. Keeping in line with our philosophy of protectin...
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...
Microsoft BlueHat v17 Dates Announced - Update 4/3/2017
Update - The Call For Papers CFP for BlueHat v17 will be held from 6/1/2017 - 8/18/2017. We will be setting up a submissions portal for web based submissions of papers. The portal will be live on 6/1/2017. Please do not send submissions to [email protected]. Microsoft is pleased to announce...
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...
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...
BlueHat v16 Keynote announced
Microsoft is excited to announce David Kennedy, CEO of TrustedSec and Binary Defense Systems, as the BlueHat v16 keynote speaker. David is a well-known speaker from the community, a published author, and the founder of the DerbyCon Security Conference. His keynote, entitled “The Security Monty...
Security Engineering Evolution in Office 2016 for Mac
Security is a critical component in all our products at Microsoft. An emphasis on strong security starts at the beginning of all our work, including threat modelling as part of the design process and the consideration of Apple’s own security recommendations for our products on Apple’s platforms. ...
BlueHat v16 Schedule Announced
Over the summer we had overwhelming response to our BlueHat v16 call for papers. We would like to give a special thanks to all who submitted papers for consideration. The range of content and quality of content was exceptional. So with that, today we are happy to announce our schedule for the...