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Lovely tokens and the September 2013 security updates
Helen Hunt Jackson famously wrote, “By all lovely tokens September is here, with summer’s best of weather and autumn’s best of cheer.” I share Helen’s clear adoration for this time of year. As a sports fan, there are so many “lovely tokens” to enjoy. The baseball pennant race is heating up, colle...
オンプレミスサーバー製品追加! アプリケーションとオンプレミス サーバーのバグ報奨金プログラムの紹介
本ブログは、On-Premises Servers Products are Here! Introducing the Applications and On-Premises Servers Bug Bounty Program の抄訳版です。最新の情報は原文を参照して...
Coming Soon: New Security Update Guide Notification System
Sharing information through the Security Update Guide is an important part of our ongoing effort to help customers manage security risks and keep systems protected. Based on your feedback we have been working to make signing up for and receiving Security Update Guide notifications easier. We are...
One-Click Microsoft Exchange On-Premises Mitigation Tool - March 2021
We have been actively working with customers through our customer support teams, third-party hosters, and partner network to help them secure their environments and respond to associated threats from the recent Exchange Server on-premises attacks. Based on these engagements we realized that there...
Recognizing Security Researchers in 2020
Is it too early to talk about the 2020 MSRC Most Valuable Security Researchers? Five months from now, at the end of June, the program period closes for researchers to be considered for inclusion in the Most Valuable Researchers list. The top researcher list will be revealed at Black Hat North...
MSRC is going to ROOTCON!
The Microsoft Security Response Center MSRC works with partners all over the world to protect Microsoft customers. This week we’re headed to the Philippines to meet security researchers and bounty hunters at ROOTCON 13! Planning on attending ROOTCON? If you want to learn more about how you can ea...
日本セキュリティチーム ブログ移行のお知らせ
平素より、日本セキュリティチーム ブログをご愛読いただきありがとうございます。 日本セキュリティチーム ブ...
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...
Draft of Microsoft Security Servicing Commitments for Windows
Updated September 10, 2018 The Servicing Criteria for Windows has transitioned to an official document and can be found at the link below. Microsoft thanks the members of the research community who provided feedback on the draft copy. Microsoft Security Servicing Criteria for Windows...
December 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 releases Security Advisory 2963983
Today, we released Security Advisory 2963983 regarding an issue that impacts Internet Explorer. At this time, we are only aware of limited, targeted attacks. This issue allows remote code execution if users visit a malicious website with an affected browser. This would typically occur by an...
Assessing risk for the March 2014 security updates
Today we released five security bulletins addressing 23 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other three have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your...
A Ride on the Wild Side with Hacking Heavyweight Sick Codes
Beverage of Choice: Krating Daeng Thai Red Bull Industry Influencer he Admires: Casey John Ellis What did you want to be when you grew up? A physician and nearly did Hobbies Present & Past: Motorcycling & Australian Football Bucket List: Continuing to discover new software Fun Fact: He currently...
Congratulations to the Top MSRC 2022 Q2 Security Researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2022 Q2 Security Researcher Leaderboard are: Yuki Chen...
Congratulating Our Top MSRC 2021 Q1 Security Researchers!
We’re excited to announce the top contributing researchers for the 2021 First Quarter Q1! Congratulations to all the researchers recognized in this quarter’s leaderboard and thank you to everyone who continues to help secure our customers and the...
Microsoft Exchange Server Vulnerabilities Mitigations - updated March 15, 2021
Update March 15, 2021: If you have not yet patched, and have not applied the mitigations referenced below, a one-click tool, the Exchange On-premises Mitigation Tool is now our recommended path to mitigate until you can patch. Microsoft previously blogged our strong recommendation that customers...
2020 年 8 月のセキュリティ更新プログラム (月例)
2020 年 8 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...
Announcing 2019 MSRC Most Valuable Security Researchers
Earlier today we announced MSRC’s 2018-2019 Most Valuable Security Researchers at Black Hat. The following 75 researchers hail from all corners of the world and possess varied experience and skills, yet all of them have contributed to securing the Microsoft’s customers and the broader ecosystem...
Windows Defender Application Control の紹介
本記事は、Windows Security のブログ “Introducing Windows Defender Application Control” 2017 年 10 月 23 日 米国時間...
Extending the Microsoft Office Bounty Program
Microsoft announces the extension of the Microsoft Office Bounty Program through December 31, 2017. This extension is retroactive for any cases submitted during the interim. The engagement we have had with the security community has been great and we are looking to continue that collaboration on...
July 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...
Are you prepared for the BlueHat Challenge?
Today we are kicking off a new challenge so you can showcase your security prowess and, if we can, help you build some more. Our BlueHat Challenge is a series of computer security questions, which increase in difficulty as you progress. Only the rare and talented engineer will be able to finish t...
2020 年 3 月のセキュリティ更新プログラム (月例)
2020 年 3 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...
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...
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...
Customer Guidance for WannaCrypt attacks
Microsoft solution available to protect additional products Today many of our customers around the world and the critical systems they depend on were victims of malicious “WannaCrypt” software. Seeing businesses and individuals affected by cyberattacks, such as the ones reported today, was painfu...
Customer Guidance on Recent Nation-State Cyber Attacks
Note: we are updating as the investigation continues. Revision history listed at the bottom. This post contains technical details about the methods of the actor we believe was involved in Recent Nation-State Cyber Attacks, with the goal to enable the broader security community to hunt for activit...
Speculative Execution Bounty Launch
Today, Microsoft is announcing the launch of a limited-time bounty program for speculative execution side channel vulnerabilities. This new class of vulnerabilities was disclosed in January 2018 and represented a major advancement in the research in this field. In recognition of that threat...
シンプル化された Windows 7 および Windows 8.1 のサービス モデル: 最新の改善点について
本記事は、Windows for IT Pros のブログ "Simplified servicing for Windows 7 and Windows 8.1: the latest improvements" 2017 年 1 月 13 日 米国時間公開 を翻訳したもの...
Microsoft’s response to compromised eMudhra certificate authority keys
Update, October 27, 2026: Microsoft has removed the seven affected certificates from the Microsoft Edge trust list. We've also added more detail on why these keys pose a risk and why organizations should be cautious about restoring trust locally. There's also a link to the Microsoft Trusted Root...