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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...
Reflecting on Cybersecurity Awareness Month: At its Core, Cybersecurity is all about People
As Cybersecurity Awareness Month 2022 comes to a close, I’m grateful for the impact it has had in bringing cybersecurity to the forefront since it began in 2004. Though the month may be over, our work in cybersecurity is never done. Often, we think about cybersecurity as a complex technology...
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...
サイバーセキュリティ月間期間の取り組みのおさらい
3 月 18 日に今年のサイバーセキュリティ月間が終わりました。この期間中、日本セキュリティチームは、Mic...
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...
Microsoft Internal Solorigate Investigation - Final Update
We believe the Solorigate incident is an opportunity to work with the community, to share information, strengthen defenses and respond to attacks. We have now completed our internal investigation into the activity of the actor and want to share our findings, which confirm that we found no evidenc...
Top MSRC 2020 Q4 Security Researchers – Congratulations!
We’re excited to announce the top contributing researchers for the 2020 Fourth Quarter Q4! Congratulations to all of the researchers who made this quarter’s leaderboard and a huge thank you to everyone who continues to help secure our customers and the ecosystem. The top three researchers of the...
[IT 管理者向け] CVSS を読み解いて脆弱性をより正しく理解する
新しいバージョンのセキュリティ更新プログラムについては下記の関連ブログもご覧ください。 「新しいセキュ...
Vulnerability Descriptions in the New Version of the Security Update Guide
With the launch of the new version of the Security Update Guide, Microsoft is demonstrating its commitment to industry standards by describing the vulnerabilities with the Common Vulnerability Scoring System CVSS. This is a precise method that describes the vulnerability with attributes such as t...
Security Analysis of CHERI ISA
Is it possible to get to a state where memory safety issues would be deterministically mitigated? Our quest to mitigate memory corruption vulnerabilities led us to examine CHERI Capability Hardware Enhanced RISC Instructions, which provides memory protection features against many exploited...
2020 年 9 月のセキュリティ更新プログラム (月例)
2020 年 9 月 9 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情報を公開しました。 Microsoft...
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...
Congratulations to the MSRC’s 2020 Most Valuable Security Researchers
Today we announce our Most Valuable Security Researchers for 2020! The MSRC Researcher Recognition program is an integral aspect of recognizing the ongoing partnerships with our community of talented security researchers who report through Coordinated Vulnerability Disclosure CVD. These...
セキュリティエンドポイント脅威レポート 2019 で脅威の動向と対策を知る
2020 年 6 月 16 日、マイクロソフトは、セキュリティエンドポイント脅威レポート 2019 Security Endpoint Threat Report を発表し、2019 年...
Access Misconfiguration for Customer Support Database
Today, we concluded an investigation into a misconfiguration of an internal customer support database used for Microsoft support case analytics. While the investigation found no malicious use, and although most customers did not have personally identifiable information exposed, we want to be...
Welcome to the second stage of BlueHat!
We’ve finished two incredible days of security trainings at the Living Computer Museum in Seattle. Now it’s time for the second part of BlueHat: the briefings at ShowBox SoDo. We’ve got a big day planned, so head on down. Please join us for breakfast we have doughnuts! and bacon! and cereal!...
Microsoft Identity Bounty Improvements
Microsoft is continually improving our existing bounty programs. Today we’re happy to share the latest updates to the Microsoft Identity Bounty. Originally launched in July 2018, the Microsoft Identity bounty program has helped build a partnership with the security research community to improve t...
Scalable infrastructure for investigations and incident response
Traditional computer forensics and cyber investigations are as relevant in the cloud as they are in on-premise environments, but the methods in which to access and perform such investigations differ. This post will describe some of the challenges of bringing on-premises forensics techniques to th...
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...
Microsoft Announces Top Three Contributing Partners in the Microsoft Active Protections Program (MAPP)
Today Microsoft announced the MAPP program Top Vulnerability Contributors, Top Threat Indicator Submitters, and Top Zero-Day Reporting for the period of July 1, 2018 – June 30, 2019. The Microsoft Active Protections Program provides security and protection to customers through cooperation and...
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...
Inside the MSRC – Building your own security incident response process
This is the third and last in a series of posts that looks at how Microsoft responds to elevated threats to customers through the Microsoft Security Response Center’s MSRC Software and Services Incident Response Plan SSIRP. Our previous posts discussed how Microsoft protects customers against...
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...
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...
October 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...
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...
Announcing the BlueHat v18 Schedule
Where did the summer go? This year the BlueHat Security Conference moved forward in the schedule to late September. Next year it will settle into a steady orbit of early October moving forward. With that change in schedule, it is hard to believe that it is time to reveal the schedule for BlueHat...
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...
March 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...
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...
2017 年 11 月のセキュリティ更新プログラム (月例)
================================================================= 2017 年 11 月 23 日追記 11 月の Windows の月例セキュリティ更新プログラムを適用後に以下の問題が発生することを確認し...
November 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...
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...
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...
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...
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...
SHA-1 Collisions Research
Today, a group of eight researchers from across the security industry released a research report on SHA-1 that demonstrates for the first time, a “hash collision” for the full SHA-1 hash algorithm called “SHAttered”. This is a significant step toward understanding this type of security issue, a...
Changes to Security Update Links
Updates have historically been published on both the Microsoft Download Center and the Microsoft Update Catalog and Security Bulletins linked directly to update packages on the Microsoft Download Center. Some updates will no longer be available from the Microsoft Download Center. Security bulleti...
February 2016 Security Update Release Summary
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...
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,...
June 2015 Updates
Today, as part of Update Tuesday, we released 8 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index XI, visit the Microsoft Bulletin Summary webpage. If you are...
April 2015 Updates
Today, as part of Update Tuesday, we released 11 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index XI, visit the Microsoft Bulletin Summary webpage. If you are...
Security Advisory 3046015 released
Today, we released Security Advisory 3046015 to provide guidance to customers in response to the SSL/TLS issue referred to by researchers as “FREAK” Factoring attack on RSA-EXPORT Keys. Our investigation continues and we’ll take the necessary steps to protect our customers. MSRC Team...
Security Bulletin MS14-068 released
Today, we released an out-of-band security update to address a vulnerability in Kerberos which could allow Elevation of Privilege. This update is for all supported versions of Windows Server and includes a defense-in-depth update for all supported versions of Windows. We strongly encourage...
Security Advisory 3009008 updated
Today, we announced the availability of SSL 3.0 fallback warnings in Internet Explorer IE 11. For more information please visit the IE blog. We have also published an update on the status of the changes we have made to our Azure offerings in response to the SSL 3.0 vulnerability. For more...
Bug Bounty Evolution: Online Services
Today marks the next evolution in bounty programs at Microsoft as we launch the Microsoft Online Services Bug Bounty program starting with Office 365. In our mobile first, cloud first world, this is an exciting and logical evolution to our existing bug bounty programs. Office 365 is the first of...
The April 2014 Security Updates
T. S. Elliot once said, “What we call the beginning is often the end. And to make an end is to make a beginning. The end is where we start from.” So as we put one season to bed, let’s start another by looking at the April security updates. Today, we release four bulletins to address 11 CVEs in...
March 2014 Security Bulletin Webcast and Q&A
Today we published the March 2014 Security Bulletin Webcast Questions & Answers page. We answered eight questions in total, with the majority focusing on the updates for Windows MS14-016 and Internet Explorer MS14-012. One question that was not answered on air has been included on the Q&A page...
When ASLR makes the difference
We wrote several times in this blog about the importance of enabling Address Space Layout Randomization mitigation ASLR in modern software because it’s a very important defense mechanism that can increase the cost of writing exploits for attackers and in some cases prevent reliable exploitation. ...
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...