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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...
[サイバーセキュリティ月間2020] 製品のサポートが終了したらどうなるの？
2020 年 1 月に、広く利用されてきた Windows 7, Windows Server 2008/2008R2 のサポートが終了して既に数か月が過ぎました。サポートが終了す...
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...
日本語でマイクロソフトに脆弱性を報告する方法
2021 年 6 月 17 日に、関連ブログ記事「マイクロソフト脆弱性報告窓口 ガイド 日本語」を公開しています。こち...
Introducing the ElectionGuard Bounty program
Today we are launching the ElectionGuard Bounty program. In May 2019, we announced the release of ElectionGuard, a free open-source SDK to make voting more secure, transparent, and accessible. ElectionGuard enables end-to-end verification of elections, open results to third-party organizations fo...
Introducing the ElectionGuard Bounty program
Today we are launching the ElectionGuard Bounty program. In May 2019, we announced the release of ElectionGuard, a free open-source SDK to make voting more secure, transparent, and accessible. ElectionGuard enables end-to-end verification of elections, open results to third-party organizations fo...
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...
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...
BlueHat Seattle 2019 Call for Papers is Now Open!
2019 has seen a phenomenal BlueHatIL in February followed by a wildly successful BlueHat Shanghai in May… now it’s time to come back home for BlueHat Seattle! 2 days of hands-on technical training October 22-23, 2019 2 days of conference talks from industry-leading security researchers and cyber...
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...
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...
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...
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...
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...
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...
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...
Microsoft’s Cyber Defense Operations Center shares best practices
Today, a single breach, physical or virtual, can cause millions of dollars of damage to an organization and potentially billions in financial losses to the global economy. Each week seems to bring a new disclosure of a cybersecurity breach somewhere in the world. As we look at the current state o...
The Making of the Top 100 Researcher List
At Black Hat USA each year, we unveil the Top 100 Security Researcher list to reflect the amazing engagement we get from the community. During this period, we had several thousand researchers engage with the Microsoft Security Response Center MSRC. We appreciate all the partnership and coordinati...
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 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...
January 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...
January 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 Advanced Threat Protection で反射型の DLL 読み込みを検出
本記事は、Windows Security のブログ “Detecting reflective DLL loading with Windows Defender ATP” 2017 年 11 月 13 日 米国時間公開...
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...
VulnScan – Automated Triage and Root Cause Analysis of Memory Corruption Issues
The Microsoft Security Response Center MSRC receives reports about potential vulnerabilities in our products and it’s the job of our engineering team to assess the severity, impact, and root cause of these issues. In practice, a significant proportion of these reports turn out to be memory...
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...
Eternal Synergy Exploit Analysis
Introduction Introduction Recently we announced a series of blog posts dissecting the exploits released by the ShadowBrokers in April 2017; specifically some of the less explored exploits. This week we are going to take a look at Eternal Synergy, an SMBv1 authenticated exploit. This one is...
[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...
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...
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...
June 2017 security update release
Microsoft releases additional updates for older platforms to protect against potential nation-state activity Today, as part of our regular Update Tuesday schedule, we have taken action to provide additional critical security updates to address vulnerabilities that are at heightened risk of...
June 2017 security update release
Microsoft releases additional updates for older platforms to protect against potential nation-state activity Today, as part of our regular Update Tuesday schedule, we have taken action to provide additional critical security updates to address vulnerabilities that are at heightened risk of...
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...
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...
Taking your feedback on the Security Update Guide
The Security Update Guide has been in public preview since November 2016. This month marked our first release when security update information was published entirely in the new format. Over the last few months, customers and partners have provided a lot of feedback on the direction and...
Protecting customers and evaluating risk
Today, Microsoft triaged a large release of exploits made publicly available by Shadow Brokers. Understandingly, customers have expressed concerns around the risk this disclosure potentially creates. Our engineers have investigated the disclosed exploits, and most of the exploits are already...
Announcing the new Bug Bounty Program for Office Insider Builds on Windows
We’ve engineered Office to be secure by design and continually invest in enhancing its security capabilities. In the spirit of maintaining a high security bar in Office, we’re launching the Bug Bounty Program for Office Insider Builds on Windows. The Office Bug Bounty Program complements our...
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...
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...
Enhanced Mitigation Experience Toolkit (EMET) version 5.5 Beta is now available
Enhanced Mitigation Experience Toolkit EMET version 5.5 Beta is now available The Enhanced Mitigation Experience Toolkit EMET benefits enterprises and all computer users by helping to protect against security threats and breaches that can disrupt businesses and daily lives. It does this by...
Microsoft Bounty Programs Expansion - Bounty for Defense, Authentication Bonus, and RemoteApp
I am very pleased to be releasing additional expansions of the Microsoft Bounty Programs. Please stop by the Microsoft Networking Lounge at Black Hat, August 5-6, to learn more about these programs; or, visit https://aka.ms/BugBounty. We are raising the Bounty for Defense maximum from $50,000 USD...
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...
Assessing risk for the August 2014 security updates
Today we released nine security bulletins addressing 37 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other seven have a maximum severity rating of Important. This table is designed to help you prioritize the deployment of updates appropriately for your...
Announcing the Enhanced Mitigation Experience Toolkit (EMET) 5.0 Technical Preview
I’m here at the Moscone Center, San Francisco, California, attending the annual RSA Conference USA 2014. There’s a great crowd here and many valuable discussions. Our Microsoft Security Response Center MSRC engineering teams have been working hard on the next version of EMET, which helps customer...
Antimalware Support for Windows XP and the January 2014 Security Bulletin Webcast and Q&A
Today we’re publishing the January 2014 Security Bulletin Webcast Questions & Answers page. We answered 16 questions in total, with the majority of questions focusing on the Dynamics AX bulletin MS14-004, the update for Microsoft Word MS14-001 and the re-release of the Windows 7 and Windows Serve...
Security Advisory 2916652 released, Certificate Trust List updated
Microsoft is updating the Certificate Trust List CTL for all supported releases of Microsoft Windows to remove the trust of a mis-issued third-party digital certificate, which could be used to spoof content and perform phishing or man-in-the-middle attacks against web properties. With this action...
Security and policy surrounding bring your own devices (BYOD)
As the proliferation of devices continues to capture the imagination of consumers, and has ignited what is referred to as bring your own device BYOD revolution, many IT departments across the globe are now facing increased security considerations. While organizations encourage BYOD for cost savin...