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Join Microsoft Security Response at the Product Security Operations forum at LocoMocoSec!
The MSRC is more than managing vulnerability reports, publishing Microsoft security updates, and defending the cloud. The MSRC is passionate about helping everyone improve internal engineering practices and supporting the defender community, and are excited to partner with Blackberry to host a...
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...
February 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...
Fuzzing para-virtualized devices in Hyper-V
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 Microsoft...
December 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...
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...
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 8.1 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...
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...
2018 年 10 月 Office 365 で TLS 1.0, 1.1 での接続無効化。 最終確認を！
こんにちは、垣内ゆりかです。 マイクロソフトでは、Transport Layer Security TLS 1.0, 1.1 の利用を廃止し、より安全...
EMET サポート終了 – Windows Defender Exploitation Guard へ移行を
こんにちは、垣内ゆりかです。 2009 年にリリースされて以来、最先端の攻撃緩和を追加する無償のツールとして、...
2018 年 6 月のセキュリティ更新プログラム (月例)
2018/6/21 更新: 2 件のセキュリティ アドバイザリ ADV180016 および ADV180010 の情報を追加しました。 -------------- 2018 年 6 月 13 日 日本時間、マ...
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 ...
投機的実行に関する報奨金プログラムの開始
本記事は、Microsoft Security Response Center のブログ “Speculative Execution Bounty Launch” 2016 年 3 月 14 日 米国...
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...
2018 年 2 月のセキュリティ更新プログラム (月例)
更新履歴 2018/2/15 更新: ADV180005 の公開に関する情報を追記しました。 -------------------- 2018 年 2 月 14 日 日本時間、マイクロソフトは以下...
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...
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...
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...
2017 年 9 月のセキュリティ更新プログラム (月例)
2017 年 9 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...
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...
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 Champion Exploit Analysis
Recently, a group named the ShadowBrokers published several remote server exploits targeting various protocols on older versions of Windows. In this post we are going to look at the EternalChampion exploit in detail to see what vulnerabilities it exploited, how it exploited them, and how the late...
Petya マルウェア攻撃に関する最新情報
本記事は、Microsoft Security Response Center のブログ “Update on Petya malware attacks” 2017 年 6 月 28 日 米国時間公...
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...
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...
テクニカル サポート詐欺との戦い
本記事は、Microsoft Digital Crimes Unit の Courtney Gregoire による投稿 "The fight against tech support scams" 2017 年 5 月 18 日 米国時間公開 を翻訳したも...
セキュリティ更新プログラム ガイドに関するフィードバックをお待ちしています
本記事は、 MSRC Team のブログ “ Taking your feedback on the Security Update Guide” 2017 年 4 月 21 日 米国時間公開 を翻訳したものです。 2016 年...
Bountycraft at Nullcon 2017
Security is a critical component of our products at Microsoft. A strong emphasis on security is a persistent factor throughout our entire development process. Microsoft is committed to designing and developing secure software. Testing is performed both internally and by working closely with 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...
Office 365 security researchers: Double your bounties March-May 2017
Microsoft strives to protect our customers and we’re constantly improving our security posture to meet their needs. We realize the desire of researchers and customers to security test our services to ensure they can trust us and our solutions. We also believe that if a researcher informs us of a...
February 2017 security update release
UPDATE: 2/15/17: We will deliver updates as part of the planned March Update Tuesday, March 14, 2017. Our top priority is to provide the best possible experience for customers in maintaining and protecting their systems. This month, we discovered a last minute issue that could impact some custome...
October 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...
BlueHat IL 2017 Announced
Microsoft is thrilled to announce BlueHat IL 2017. This will mark the first time BlueHat is held in Tel Aviv and it will take place on January 24-25, 2017. Given its location, Israel further serves as a harness which draws in researchers from across Europe, Asia and the Middle East...
September 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...
August 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...
Announcing BlueHat v15 Conference
We are happy to announce the 15th version of the Microsoft BlueHat Security Conference set for January 12-13, 2016. The annual security conference brings internal and external speakers to educate and engage Microsoft’s engineering community and their executives. Work is under way currently to set...
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...
Advance Notification Service for the December 2014 Security Bulletin Release
Today, we provide advance notificationfor the release of seven Security Bulletins. Three of these updates are rated Critical and four are rated as Important in severity. These updates are for Microsoft Windows, Internet Explorer IE, Office and Exchange. As per our monthly process, we’ve scheduled...
Assessing Risk for the November 2014 Security Updates
Today we released fourteen security bulletins addressing 33 unique CVE’s. Four bulletins have a maximum severity rating of Critical, eight have a maximum severity rating of Important, and two have a maximum severity rating of Moderate. This table is designed to help you prioritize the deployment ...
Driving a Collectively Stronger Security Community with Microsoft Interflow
Today, Microsoft is pleased to announce the private preview of Microsoft Interflow, a security and threat information exchange platform for analysts and researchers working in cybersecurity. Interflow uses industry specifications to create an automated, machine-readable feed of threat and securit...
Assessing risk for the June 2014 security updates
Today we released seven security bulletins addressing 66 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other five have a maximum severity rating of Important. This table is designed to help you prioritize the deployment of updates appropriately for your...
The May 2014 Security Updates
Today, we released eight security bulletins – two rated Critical and six rated Important – to address 13 Common Vulnerability & Exposures CVEs in .NET Framework, Office, SharePoint, Internet Explorer, and Windows. We encourage you to apply all of these updates, but for those who need to prioritiz...
MS14-025: An Update for Group Policy Preferences
Today, we released an update to address a vulnerability in Group Policy Preferences MS14-025. Group Policy Preferences was an addition made to Group Policy to extend its capabilities. Among other things, Group Policy Preferences allows an administrator to configure: Local administrator accounts...
The Next Leap Forward in Cyber Defense: Taking Action to Help Defeat Adversaries
It is often said that attackers have an advantage, because the defenders have to protect every part of their systems all the time, while the attacker only has to find one way in. This argument oversimplifies the security landscape and the real strength that defenders can achieve if they work...
The March 2014 Security Updates
This month we release five bulletins to address 23 unique CVEs in Microsoft Windows, Internet Explorer and Silverlight. If you need to prioritize, the update for Internet Explorer addresses the issue first described in Security Advisory 2934088, so it should be at the top of your list. While that...
Announcing EMET 5.0 Technical Preview
Today, we are thrilled to announce a preview release of the next version of the Enhanced Mitigation Experience Toolkit, better known as EMET. You can download EMET 5.0 Technical Preview here. This Technical Preview introduces new features and enhancements that we expect to be key components of th...
Microsoft Releases Security Advisory 2934088
Today, we released Security Advisory 2934088 regarding an issue that impacts Internet Explorer 9 and 10. Internet Explorer 6, 7, 8 and 11 are not affected. At this time, we are only aware of limited, targeted attacks against Internet Explorer 10. This issue allows remote code execution if users...
Omphaloskepsis and the December 2013 Security Update Release
There are times when we get too close to a topic. We familiarize ourselves with every aspect and nuance, but fail to recognize not everyone else has done the same. Whether you consider this myopia, navel-gazing, or human nature, the effect is the same. I recognized this during the recent webcast...
MS13-098: Update to enhance the security of Authenticode
Today we released MS13-098, a security update that strengthens the Authenticode code-signing technology against attempts to modify a signed binary without invalidating the signature. This update addresses a specific instance of malicious binary modification that could allow a modified binary to...