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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...
マルウェア感染が判明した場合の対応ステップ
昨今、働き方の変化に伴い、BYOD Bring Your Own Device 端末のご利用やリモートワークの必要性が増加しています。それ...
IE の累積的な更新プログラムも確実に適用を!
企業内でご利用の端末に更新プログラムを適用される際、特に Windows Server 2012 R2 などのサーバー OS 環境で Internet Explorer IE の累積的...
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...
Machine Learning Security Evasion Competition 2020 Invites Researchers to Defend and Attack
Machine learning ML is an increasingly valuable tool in cyber security as adversaries continually evolve their tactics and techniques to evade detection. As machine learning has advanced and sophisticated ML models have been developed to assist security professionals in protecting the cloud,...
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...
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...
Announcing MSRC 2019 Q4 Security Researcher Leaderboard
Following the first Security Researcher Quarterly Leaderboard we published in October 2019, we are excited to announce the MSRC Q4 2019 Security Researcher Leaderboard, which shows the top contributing researchers for the last quarter. In each quarterly leaderboard, we recognize the security...
January 2020 security updates are available!
We have released the January 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. As a reminder,...
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...
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...
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...
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...
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...
2019 年 6 月のセキュリティ更新プログラム (月例)
2019 年 6 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...
Vulnerability hunting with Semmle QL, part 2
The first part of this series introduced Semmle QL, and how the Microsoft Security Response Center MSRC are using it to investigate variants of vulnerabilities reported to us. This post discusses an example of how we’ve been using it proactively, covering a security audit of an Azure firmware...
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...
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...
Windows Update の利用手順 - 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...
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...
2018 年 10 月のセキュリティ更新プログラム (月例)
2018 年 10 月 10 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...
[セキュリティ基本対策 5 か条] 第 3 条 アカウントやパスワードを管理する
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 3 条「アカウ...
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...
Inside MSRC: Sharing Our Story & Customer Tips
For the last 20 years, the Microsoft Security Response Center has been an integral part of Microsoft’s commitment to customer security. We are often called on to talk about the work we do and how customers can apply the lessons we have learned over that period to better their security posture...
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...
Microsoft launches Identity Bounty program
Modern security depends today on collaborative communication of identities and identity data within and across domains. A customer’s digital identity is often the key to accessing services and interacting across the internet. Microsoft has invested heavily in the security and privacy of both our...
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...
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...
2017 年 12 月のセキュリティ更新プログラム (月例)
2017 年 12 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...
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...
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...
Outlook の脆弱性を修正するセキュリティ更新プログラムを定例外で公開
2017 年 7 月 28 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定例外で公...
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...
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...
2017 年 6 月のセキュリティ更新プログラム (月例)
2017 年 6 月 14 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...
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...
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...
マイクロソフト報奨金プログラムの拡張 – Windows 用の Office Insider ビルドに関する報奨金プログラム
本記事は、Microsoft Security Response Center のブログ “Announcing the new Bug Bounty Program for Office Insider Builds on Windows”...
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...
January 2017 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...
2016 年 12 月のセキュリティ情報 (月例) - MS16-144 ～ MS16-155
2016 年 12 月 14 日 日本時間、マイクロソフトは計 12 件 緊急 6 件、重要 6 件 の新規セキュリティ情報を公開し...
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...
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 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...