1375 matches found
Announcing the Launch of the Azure SSRF Security Research Challenge
Microsoft is excited to announce the launch of a new, three-month security research challenge under the Azure Security Lab initiative. The Azure Server-Side Request Forgery SSRF Research Challenge invites security researchers to discover and share high impact SSRF vulnerabilities in Microsoft...
2021 年 MSRC 最優秀セキュリティ研究者の表彰
本記事は「Congratulations to the MSRC 2021 Most Valuable Security Researchers!」の日本語抄訳です。 MSRC...
Introducing Bounty Awards for Teams Mobile Applications Security Research
We are pleased to announce the addition of Microsoft Teams mobile applications to the Microsoft Applications Bounty Program. Through the expanded program we welcome researchers from across the globe to seek out and disclose any high impact security vulnerabilities they may find in Teams mobile...
Introducing Bounty Awards for Teams Desktop Client Security Research
Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. As much of the world has shifted to working from home in the last year, Microsoft Teams has enabled people to stay connected, organized, and collaborate...
オンプレミス Exchange Server の脆弱性の調査や修復に対応する方向けのガイダンス
「Guidance for responders: Investigating and remediating on-premises Exchange Server vulnerabilities」の日本語抄訳です。 最近一般に公開さ...
A new experience for reporting copyright or trademark infringement on Microsoft Services
The Notice of Copyright or Trademark Infringement Portal has helped protect Microsoft's users and customers from intellectual property infringement across online services like Microsoft Azure, Office, Outlook, Skype, Stream, Microsoft News, Sway, Hotmail, NuGet, and Yammer. Microsoft's response t...
Exchange Server のセキュリティ更新プログラムの公開 (定例外)
2021 年 3 月 3 日 日本時間、マイクロソフトは限定的な標的型攻撃に使われた Exchange の脆弱性に対するセキュリティ...
New and Improved Report Abuse Portal and API!
The Report Abuse CERT Portal and Report Abuse API have played a significant role in MSRC’s response to suspected cyberattacks, privacy issues, and abuse originating from Microsoft Online Services. With the contributions from our wonderful community of reporters, we continue to gain insightful...
Microsoft Digital Defense Report でサイバーセキュリティの動向を知る
2020 年 9 月マイクロソフトは、昨年のサイバーセキュリティの動向を網羅した「Microsoft Digital Defense Repo...
What to Expect When Reporting Vulnerabilities to Microsoft
At the Microsoft Security Response Center’s MSRC, our primary mission is to help protect our customers. One of the ways we do this is by working with security researchers to discover security vulnerabilities in our services and products, and then making sure those that pose a threat to customers...
Black Hat 2020: See you in the Cloud!
It hardly feels like summer without the annual trip to Las Vegas for Black Hat USA. With this year’s event being totally cloud based, we won’t have the chance to catch up with security researchers, industry partners, and customers in person, an opportunity we look forward to every year. We’ll sti...
Azure Sphere Security Research Challenge Now Open
The Azure Sphere Security Research Challenge is an expansion of Azure Security Lab, announced at Black Hat in August 2019. At that time, a select group of talented researchers was invited to come and do their worst, emulating criminal hackers in a customer-safe cloud environment. This new researc...
[サイバーセキュリティ月間2020] マイクロソフト セキュリティパッチのきほん①
マイクロソフト製品に存在するセキュリティの脆弱性に関しては、脆弱性情報を公開しセキュリティ更新プログ...
カスタマー サポート データベースのアクセス構成の誤りについて
本記事は、Microsoft Security Response Center ブログ “Access Misconfiguration for Customer Support Database” 2020 年 1 月 22 日 米国時間...
December 2019 security updates are available
We have released the December 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,...
December 2019 security updates are available
We have released the December 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,...
Using Rust in Windows
This Saturday 9th of November, there will be a keynote from Microsoft engineers Ryan Levick and Sebastian Fernandez at RustFest Barcelona. They will be talking about why Microsoft is exploring Rust adoption, some of the challenges we’ve faced in this process, and the future of Rust adoption in...
2019 年 10 月のセキュリティ更新プログラム (月例)
2019 年 10 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プログラムを公開しまし...
[AD管理者向け] 2020 年 LDAP 署名と LDAP チャネルバインディングが有効化。確認を！
こんにちは、セキュリティ レスポンスチームの垣内ゆりかです。 2019 年 8 月に公開したセキュリティ アドバイザリ...
September 2019 Security Updates
We have released the September 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,...
September 2019 Security Updates
We have released the September 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,...
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...
Recognizing Security Researchers in 2019
Who’s going to be on the Most Valuable Security Researcher list at Black Hat USA 2019? We’re not announcing the names—yet—but this is how we’ll determine who’s there. How do we define the Most Valuable Security Researchers? The list at Black Hat will be the top tier of researchers based on not ju...
Announcing the Microsoft Dynamics 365 Bounty program
One of Microsoft’s many security investments to protect customers is in the partnerships we build with the external security research community. We are excited to announce the launch of theDynamics 365 Bounty program and welcome researchers to seek out and disclose any high impact vulnerabilities...
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...
Inside the MSRC – Customer-centric incident response
The Microsoft Security Response Center MSRC is an integral part of Microsoft’s Cyber Defense Operations Center CDOC that brings together security response experts from across the company to help protect, detect, and respond to threats in real-time. Staffed with dedicated teams 24x7, the CDOC has...
Time travel debugging: It’s a blast! (from the past)
The Microsoft Security Response Center MSRC works to assess vulnerabilities that are externally reported to us as quickly as possible, but time can be lost if we have to confirm details of the repro steps or environment with the researcher to reproduce the vulnerability. Microsoft has made our...
2019 年 5 月のセキュリティ更新プログラム (月例)
2019 年 5 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...
April 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. Tags Security Advisory Securi...
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...
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...
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...
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...
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。...
[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...
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...
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 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...
Announcing Changes to Microsoft’s Mitigation Bypass Bounty
Today we’re announcing a change to the Mitigation Bypass Bounty that removes Control Flow Guard CFG from the set of in-scope mitigations. In this blog, we’ll provide additional background and explain why we’re making this change. Mitigation Bypass Bounty Background Mitigation Bypass Bounty...
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...
挙動監視と機械学習で大規模な「Dofoil」によるコイン マイニング攻撃を阻止
本記事は、Microsoft Secure のブログ “Behavior monitoring combined with machine learning spoils a massive Dofoil coin mining campaign” 2018 年...
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...
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...
未更新のシステム脆弱性を狙う WannaCrypt ランサムウェア
本記事は、Windows Security のブログ “WannaCrypt ransomware worm targets out-of-date systems” 2017 年 5 月 12 日 米国時間...
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...
Windows Defender Exploit Guard: 攻撃表面を縮小して次世代型マルウェアに対抗する
本記事は、Windows Security のブログ “Windows Defender Exploit Guard: Reduce the attack surface against next-generation malware” 2017 年 10 月 23 日 米国...
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...
[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...