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Practical advice for earning higher Microsoft bounty awards
This year at the Nullcon International Security Conference I shared practical advice for how security researchers can maximize the impact of their security vulnerability submissions and earn higher bounty awards under the Microsoft Bounty Program. For those who couldn’t be there, I had two core...
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...
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...
Announcing the Microsoft Azure DevOps Bounty program
The Microsoft Security Response Center MSRC is pleased to announce the launch of the Azure DevOps Bounty program, a program dedicated to providing rock-solid security for our DevOps customers. Starting January 17, 2019, we’re excited to offer rewards up to US$20,000 for eligible vulnerabilities i...
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...
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...
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...
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)
2018 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 2018 年」をご覧ください。...
Windows Update の利用手順 - 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...
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. ...
[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...
August 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...
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...
2018 年 7 月のセキュリティ更新プログラム (月例)
2018 年 7 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...
June 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...
April 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...
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...
アップグレードの重要性: 2017 年のランサムウェア拡散時に高い効果を証明した Windows 10 の次世代型セキュリティ
本記事は、Microsoft Secure ブログ “A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017” 2018 年 1 月 10 日 米国時間公開...
マイクロソフト、法執行機関などとの連携により Gamarue (Andromeda) を撲滅
本記事は、Microsoft Secure ブログ “Microsoft teams up with law enforcement and other partners to disrupt Gamarue Andromeda...
December 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...
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...
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...
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...
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...
Announcing the Windows Bounty Program
Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves investing in defensive technologies that make it difficult and costly for attackers to find, exploit...
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...
進化したウイルス対策
本記事は、 Microsoft Malware Protection Center のブログ “Antivirus evolved” 2017 年 5 月 8 日 米国時間公開 を翻訳したも...
2017 年 4 月のセキュリティ更新プログラム (月例)
2017 年 4 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...
Adobe Flash Player security vulnerability release
Today, we released an Adobe Flash Player security update to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about these updates can be found on the Security Update Guide. MSRC team...
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...
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...
Microsoft Bounty Program expansion - .NET Core and ASP.NET RC2 Beta Bounty
Today I have another exciting expansion of the Microsoft Bounty Program. Please visit https://aka.ms/BugBounty to find out more. As we approach release for .NET Core and ASP.NET, we would like to get even more feedback from the security research community. We are offering a bounty on the .NET Cor...
EMET: To be, or not to be, A Server-Based Protection Mechanism
Hi Folks – Platforms PFE Dan Cuomo here to discuss a common question seen in the field: “My customer is deploying EMET and would like to know if it is supported on Server Operating Systems.” On the surface there is a simple answer to this question, however with a little poking, a little prodding,...
What makes a good Microsoft Defense Bounty submission?
One of Microsoft’s longstanding strategies toward improving software security continues to involve investing in defensive technologies that make it difficult and costly for attackers to exploit vulnerabilities. These solutions generally have a broad and long lasting impact on software security...
September 2015 Security Update Release Summary
Today we released security updates to provide 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 TechNet Librar...
Security Update Solution Further Protects Customer Devices
On Tuesday, August 18, 2015, Microsoft released a security update solution to address a vulnerability. The update is for all supported versions of Internet Explorer. We recommend customers to apply this update as soon as possible by following the directions on the TechNet.com/Security website, in...
August 2015 Security Update Release Summary
Today we released security updates to provide 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 TechNet Librar...
Evolving Microsoft's Advance Notification Service in 2015
Our Advance Notification Service ANS was created more than a decade ago as part of Update Tuesday to broadly communicate in advance, about the security updates being released for Microsoft products and services each month. Over the years, technology environments and customer needs have evolved,...
EMET 5.1 is available
Today, we’re releasing the Enhanced Mitigation Experience Toolkit EMET 5.1 which will continue to improve your security posture by providing increased application compatibility and hardened mitigations. You can download EMET 5.1 from microsoft.com/emet or directly from here. Following is the list...
Security Advisory 3010060 released
Today, we released Security Advisory 3010060to provide additional protections regarding limited, targeted attacks directed at Microsoft Windows customers. A cyberattacker could cause remote code execution if someone is tricked into opening a maliciously-crafted PowerPoint document that contains a...
October 2014 Updates
Today, as part of Update Tuesday, we released eight securityupdates – three rated Critical and five rated Important - to address 24 Common Vulnerabilities & Exposures CVEs in Windows, Office, .NET Framework, .ASP.NET, and Internet Explorer IE. We encourage you to apply all of these updates, but f...
July 2014 Security Bulletin Webcast and Q&A
Today we published the July 2014 Security Bulletin webcast questions and answers page along with the webcast replay. We answered eight questions on air, with the majority focusing on the update for Internet Explorer. The transcript also includes a question we did not have time to answer on the ai...
April 2014 Security Bulletin Webcast and Q&A
Today we published the April 2013 Security Bulletin Webcast Questions & Answers page. We answered 13 questions in total, with the majority focusing on the update for Internet Explorer MS14-018 and the Windows 8.1 Update KB2919355. Two questions that were not answered on air have been included on...
MS14-019 – Fixing a binary hijacking via .cmd or .bat file
Command .cmd and batch .bat files can be directly provided as input to the CreateProcess as if it is an executable. CreateProcess uses the cmd.exe automatically to run the input .cmd or .bat. Today, with the bulletin MS14-019 we are fixing a vulnerability, where in particular scenario it is...
Microsoft Releases Security Advisory 2953095
Today we released Security Advisory 2953095 to notify customers of a vulnerability in Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. An attacker could cause remote code execution if someone was convinced to open a specially crafted Rich Te...
Advance Notification Service for the March 2014 Security Bulletin Release
Today we provide advance notification for the release of five bulletins for March 2014, two rated Critical and thee rated Important in severity. These updates address issues in Microsoft Windows, Internet Explorer and Silverlight. The update provided in MS14-012 fully addresses the issue first...
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...
Predictions for 2014 and the December 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the December 2013 Security Bulletin Webcast Questions & Answers page. We answered 17 questions in total, with the majority of questions focusing on the Graphics Component bulletin MS13-096, Security Advisory 2915720 and Security Advisory 2905247. We also wanted to note a ne...
Software defense: mitigating common exploitation techniques
In our previous posts in this series, we described various mitigation improvements that attempt to prevent the exploitation of specific classes of memory safety vulnerabilities such as those that involve stack corruption, heap corruption, and unsafe list management and reference count...