1377 matches found
Microsoft Mitigates Azure Site Recovery Vulnerabilities
Summary Microsoft recently mitigated a set of vulnerabilities in Azure Site Recovery ASR and released fixes today, July 12, as part of our regular Update Tuesday cycle. These vulnerabilities affect all ASR on-premises customers using a VMware/Physical to Azure scenario and are fixed in the latest...
2022 年 6 月のセキュリティ更新プログラム (月例)
2022 年 6 月 14 日（米国時間）、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Exploring a New Class of Kernel Exploit Primitive
The security landscape is dynamic, changing often and as a result, attack surfaces evolve. MSRC receives a wide variety of cases spanning different products, bug types and exploit primitives. One particularly interesting primitive we see is an arbitrary kernel pointer read. These often happen whe...
An Armful of CHERIs
Today, Arm announced that the first silicon supporting the Morello prototype architecture, a research project led by Arm, Microsoft, University of Cambridge and others, is now available on a limited run of demonstration boards, which are being shipped from today to industry partners for testing...
An Armful of CHERIs
Today, Arm announced that the first silicon supporting the Morello prototype architecture, a research project led by Arm, Microsoft, University of Cambridge and others, is now available on a limited run of demonstration boards, which are being shipped from today to industry partners for testing...
Azure App Service Linux source repository exposure
MSRC was informed by Wiz.io, a cloud security vendor, under Coordinated Vulnerability Disclosure CVD of an issue where customers can unintentionally configure the .git folder to be created in the content root, which would put them at risk for information disclosure. This, when combined with an...
2021 年 10 月のセキュリティ更新プログラム (月例)
2021 年 10 月 13 日 日本時間、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...
Congratulations to the MSRC 2021 Most Valuable Security Researchers!
The MSRC Researcher Recognition Program offers public thanks and acknowledgement to the researchers who help protect customers through discovering and sharing security vulnerabilities under Coordinated Vulnerability Disclosure. Today, we are excited to recognize this year’s Most Valuable Security...
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...
2021 年 5 月のセキュリティ更新プログラム (月例)
2021 年 5 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...
2021 年 3 月のセキュリティ更新プログラム (月例)
2021 年 3 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...
On-Premises Exchange Server Vulnerabilities Resource Center - updated March 25, 2021
On March 2nd, we released several security updates for Microsoft Exchange Server to address vulnerabilities that are being used in ongoing attacks. Due to the critical nature of these vulnerabilities, we recommend that customers protect their organizations by applying the patches immediately to...
Security Update Guide Supports CVEs Assigned by Industry Partners
Hi Folks, This month we are introducing a new data element for each CVE in the Security Update Guide, called Assigning CNA. First let me back up a bit and give some information about the CVE program. The purpose of a CVE is to uniquely identify a cybersecurity vulnerability. The CVE program was...
2021 年 1 月のセキュリティ更新プログラム (月例)
2021 年 1 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...
Microsoft Internal Solorigate Investigation Update
As we said in our recent blog, we believe the Solorigate incident is an opportunity to work together in important ways, to share information, strengthen defenses and respond to attacks. Like other SolarWinds customers, we have been actively looking for indicators of the Solorigate actor and want ...
Nobelium Resource Center - updated March 4, 2021
UPDATE: Microsoft continues to work with partners and customers to expand our knowledge of the threat actor behind the nation-state cyberattacks that compromised the supply chain of SolarWinds and impacted multiple other organizations. Microsoft previously used ‘Solorigate’ as the primary...
新しいセキュリティ更新プログラム ガイド (Security Update Guide) を使ってみよう
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...
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...
Microsoft Bug Bounty Programs Year in Review: $13.7M in Rewards
Security researchers are a vital component of the cybersecurity ecosystem that safeguards every facet of digital life and commerce. The researchers who devote time to uncovering and reporting security issues before adversaries can exploit them have earned our collective respect and gratitude. The...
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...
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...
Calling for security research in Azure Sphere, now generally available
Today, Microsoft released Azure Sphere into General Availability GA. Azure Sphere’s mission is to empower every organization on the planet to connect and create secured and trustworthy IoT devices. Azure Sphere is an end-to-end solution for securely connecting existing equipment and for creating...
[あらためて確認を] RDP の脆弱性に対するセキュリティ更新プログラムの適用を推奨
2019 年、マイクロソフトはリモートデスクトッププロトコル Remote Desktop Protocol: RDP、 Terminal Services における複数の脆弱性を修正し...
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...
October 2019 security updates are available!
We have released the October 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,...
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...
Meet the MSRC at Black Hat 2019
We’re getting close to Black Hat, and we hope to see you there. Here’s where you can find members of the Microsoft Security Response Center if you’d like to say hello, ask a question about a report you made, discuss a recent blog article, or just show us pictures of your dog...
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...
Call for Papers | Microsoft BlueHat Shanghai 2019
The Microsoft Security Response Center MSRC recently announced our first BlueHat security conference in Shanghai which will take place on May 29-30, 2019. After 15 years of BlueHat events in Redmond, Washington and Israel, we are thrilled to expand to a new location. We work with many talented...
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...
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...
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...
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...
July 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...
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...
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...
2018 年 3 月のセキュリティ更新プログラム (月例)
2018 年 3 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...
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...
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 System Guard でシステムのセキュリティを強化し整合性を維持する
本記事は、Windows Security のブログ “Hardening the system and maintaining integrity with Windows Defender System Guard” 2017 年 10 月 23 日 米国...
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...
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...
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...
Announcing the BlueHat v17 Schedule
September is here! The dash from the close of the call for papers to now has been amazing. We had nearly two hundred submissions spanning the gamut of security topics and presenters. The result is a solid schedule that will challenge and educate all attendees. On behalf of the content advisory...
2017 年 8 月のセキュリティ更新プログラム (月例)
2017 年 8 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...
[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...
BlueHat v17 Call for Papers Opens
Calling security professionals and enthusiasts throughout the world. Microsoft is pleased to open the Call for Papers for our BlueHat v17 Security Conference. Potential speakers have from June 1st through August 18th to submit abstract proposals for this unique opportunity. As in past events, we...