1372 matches found
2023 年 2 月のセキュリティ更新プログラム (月例)
2023 年 2 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...
Microsoft の調査 – 検証済みの発行者確認を悪用する脅威アクターの同意フィッシング キャンペーンについて
本ブログは、Microsoft Investigation – Threat actor consent phishing campaign abusing the verified publisher process の抄訳版です。最新の情報は原文を参照してくださ...
Announcing the Microsoft Machine Learning Membership Inference Competition (MICO)
We’re excited to announce the launch of a new competition focusing on the security and privacy of machine learning ML systems. Machine learning has already become a key enabler in many products and services, and this trend is likely to continue. It is therefore critical to understand the security...
Congratulations to the Top MSRC 2022 Q3 Security Researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2022 Q3 Security Researcher Leaderboard are: Zhiyi...
Curious, Innovative, Creative, Community Driven: Meet Cyb3rWard0g, Roberto Rodriquez
When I grow up I want to be? Dancer or a veterinarian Happiest memories: Tearing up the dance floor at weddings and playing soccer in the streets of Lima, Peru Previous Job roles: Mopped floors for McDonalds, packed boxes at an Avon warehouse, Manager at Olive Garden, Beer taster/server and then...
Researcher Spotlight: Cyber Viking Nate Warfield is Here to Help
“There are few jobs where I can say, I make two billion people more secure on the internet every single day.” Childhood Look: Goth kid, all in black Current Look: Cyber Viking Childhood hobby: Head banging to Metallica, Marilyn Manson, and Guns N’ Roses Current hobby: n0x08 DJ’s Live events aroun...
Congratulations to the Top MSRC 2021 Q4 Security Researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2021 Q4 Security Researcher Leaderboard are: rezer0dai...
Power Platform is Here! Introducing the Dynamics 365 and Power Platform Bug Bounty Program
Microsoft is excited to announce the addition of Power Platform to the newly rebranded Dynamics 365 and Power Platform Bounty Program. Through this expanded program, we encourage researchers to discover and report high impact security vulnerabilities they may find in the new Power Platform scope ...
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...
Building the Azure IoT Edge Security Daemon in Rust
Azure IoT Edge is an open source, cross platform software project from the Azure IoT team at Microsoft that seeks to solve the problem of managing distribution of compute to the edge of your on-premise network from the cloud. This post explains some of the rationale behind our choice of Rust as t...
EnglishmansDentist Exploit Analysis
Introduction Introduction We are continuing our series of blog posts dissecting the exploits released by ShadowBrokers in April 2017. After the first two posts about the SMB exploits known as EternalChampion and EternalSynergy, we’ll move this time to analyze a different tool and we’ll focus on t...
Encapsulated PostScript (EPS) の脆弱性を利用した攻撃に対処するために団結する
本記事は、MSRC Team のブログ “Coming together to address Encapsulated PostScript EPS attacks” 2017 年 5 月 9 日 米国時間公開 を翻...
EMET 5.52 update is now available
EMET 5.52 is the latest version of the Enhanced Mitigation Experience Toolkit EMET and is now available for download. EMET 5.52 is a minor update from EMET 5.51 to address the following: An issue with the EAF mitigation that causes some applications to hang on Windows 7 SP1. A fix to the MSI...
Zero Day Quest: Join the largest hacking event with up to $5 million in total bounty awards
Last year, we announced the largest hacking event in history: Zero Day Quest, with up to $4 million in bounty awards. The response from the global security community was incredible and helped improve security for our customers and partners. This year, Zero Day Quest is back with even more potenti...
From Indiana Jones to Cybersecurity: The Inspiring Journey of Devin
As a young boy, Devin found himself captivated by the adventures of Indiana Jones, the whip-wielding archaeologist from the VHS movies his grandfather showed him. The thrill of unearthing history and the allure of the unknown ignited a spark in Devin, leading him to dream of becoming an...
An Obsession With Impact: The Inspiring Journey of a Dreamer That Led to a Career at Microsoft
Bruce’s story unfolds in Cincinnati, Ohio. As a young boy, he had an ambitious dream of one day becoming the President of the United States. This aspiration remained his guiding star until he began his professional career after college. His mother, amused by his...
Hey Yara, find some vulnerabilities
Intro Finding vulnerabilities in software is no easy task by itself. Doing this at cloud scale is very challenging to perform manually, and we use tools to help us identify patterns or vulnerability signatures. Yara is one of those tools. Yara is a very popular tool with Blue teams, malware...
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...
Hunting for Cobalt Strike: Mining and plotting for fun and profit
Introduction Cobalt Strike is a commercial Command and Control framework built by Helpsystems. You can find out more about Cobalt Strike on the MITRE ATT&CK page. But it can also be used by real adversaries. In this post we describe how to use RiskIQ and other Microsoft technologies to see if you...
マイクロソフトのサポートを装った詐欺にご注意ください
パソコンやタブレットを利用している際に、突然、“ウイルスに感染した” といった内容を示す画面とともに、...
Building Faster AMD64 Memset Routines
Over the past several years, Microsoft has rolled out several changes that result in more memory being zeroed. These mitigations include: The InitAll mitigation which zeros most stack variables Switching most Microsoft kernel code over to the ExAllocatePool2/ExAllocatePool3 API’s which zero memor...
Microsoft’s Top 100 Security Researchers – Black Hat 2018 Edition
This morning we are excited to unveil the security researcher leaderboard at the Black Hat Security Conference. This list recognizes the top security researchers who have contributed research to the Microsoft products and services. If you are curious on how we build the list, check out our blog...
DLL の植え付けの脆弱性のトリアージ
本記事は、Security Research & Defense のブログ “Triaging a DLL planting vulnerability” 2018 年 4 月...
Inside the MSRC – How we recognize our researchers
This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center MSRC business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us to...
Windows Defender Advanced Threat Protection の機械学習: 未知の侵入アクティビティの検出
本記事は、Windows Security のブログ “Windows Defender ATP machine learning: Detecting new and unusual breach activity” 2017 年 8 月 3 日 米...
Congratulations to the top MSRC 2025 Q4 security researchers!
Congratulations to all the researchers recognized in this quarter’sMicrosoft Researcher Recognition Programleaderboard! Thank you to everyone for your hard work and continued partnership to secure customers...
BlueHat Asia 2025: Closing soon: Submit your papers by September 14, 2025
The next chapter of the Microsoft Security Response Center’s MSRC BlueHat security conference is fast approaching. BlueHat Asia 2025 will take place in Bengaluru, India, on November 5 – 6, 2025 and the Call for Papers is now open. Submissions will be accepted through September 14, 2025. Now in it...
Congratulations to the Top MSRC 2024 Q4 Security Researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2024 Q4 Security Researcher Leaderboard are Suresh,...
Introducing the MSRC Researcher Resource Center
Microsoft partners with the global security researcher community to surface and report security vulnerabilities to protect all users of Microsoft products and services. Researcher submissions help us address immediate threats while also identifying trends and insights to holistically improve the...
Toward greater transparency: Adopting the CWE standard for Microsoft CVEs
At the Microsoft Security Response Center MSRC, our mission is to protect our customers, communities, and Microsoft from current and emerging threats to security and privacy. One way we achieve this is by determining the root cause of security vulnerabilities in Microsoft products and services. W...
New Security Advisory Tab Added to the Microsoft Security Update Guide
Today, we are adding a new Security Advisory tab to the Security Update Guide to meet our customers’ needs for a unified and authoritative source for the latest public information about Microsoft security updates and issues. We are continuously listening to feedback from users of the Security...
レイヤー7の分散型サービス拒否 (DDoS) 攻撃に対するマイクロソフトの対応について
本ブログは、Microsoft Response to Layer 7 Distributed Denial of Service DDoS Attacks の抄訳版です。最新の情報は原文を参照してください。...
2023 年 6 月のセキュリティ更新プログラム (月例)
2023 年 6 月 13 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...
Microsoft resolves four SSRF vulnerabilities in Azure cloud services
Summary Microsoft recently fixed a set of Server-Side Request Forgery SSRF vulnerabilities in four Azure services Azure API Management, Azure Functions, Azure Machine Learning, and Azure Digital Twins reported by Orca Security. These SSRF vulnerabilities were determined to be low risk as they do...
Publishing CBL-Mariner CVEs on the Security Update Guide CVRF API
Microsoft is pleased to announce that beginning January 11, 2023, we will publish CBL-Mariner CVEs in the Security Update Guide SUG Common Vulnerability Reporting Framework CVRF API. CBL-Mariner is a Linux distribution built by Microsoft to power Azure’s cloud and edge products and services and i...
2022 年 11 月のセキュリティ更新プログラム (月例)
2022 年 11 月 8 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...
Congratulations to the Top MSRC 2022 Q3 Security Researchers!
Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2022 Q3 Security Researcher Leaderboard are: Zhiyi Zha...
Microsoft Storage Location における構成の誤りに関する調査
本ブログは、Investigation Regarding Misconfigured Microsoft Storage Locationの抄訳版です。最新の情報は原文を参照し...
BlueHat 2023 Call for Papers is Now Open!
For nearly 20 years, BlueHat has been where the security research community, and Microsoft security professionals come together as peers, to share, debate, challenge, learn, and exchange ideas in the interest of creating a safer and more secure world for all. We are extremely excited to announce...
Improvements in Security Update Notifications Delivery – And a New Delivery Method
At MSRC, we are passionate about ensuring our customers have a positive experience when they use the Microsoft Security Update Guide SUG. A big part of improving that experience is ensuring that customers have timely and easily accessible notifications. As such we have two important announcements...
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 lates...
Expanding High Impact Scenario Awards for Microsoft Bug Bounty Programs
We are excited to announce the addition of scenario-based bounty awards to the Dynamics 365 and Power Platform Bounty Program and M365 Bounty Program. Through these new scenario-based bounty awards, we encourage researchers to focus their research on vulnerabilities that have the highest potentia...
Randomizing the KUSER_SHARED_DATA Structure on Windows
Windows 10 made a lot of improvements in Kernel Address Space Layout Randomization KASLR that increases the cost of exploitation, particularly for remote code execution exploits. Many kernel virtual address space VAS locations including kernel stacks, pools, system PTEs etc. are randomized. A...
BlueHat is Back!
After a short hiatus, BlueHat is coming back with a vengeance! And we’ve got big plans for the entire researcher community. But first, I must apologize. It’s been a while since you have heard from us. We didn’t have BlueHat 2020 or 2021, and we know that was disappointing. It was partly due to th...
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...
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...
Vulnerability hunting with Semmle QL: DOM XSS
In two previous blog posts part 1 and part 2, we talked about using Semmle QL in C and C++ codebases to find vulnerabilities such as integer overflow, path traversal, and those leading to memory corruption. In this post, we will explore applying Semmle QL to web security by hunting for one of...
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...
Microsoft Security Servicing Criteria for Windows
One of our goals in the Microsoft Security Response Center MSRC is to be more transparent with security researchers and our customers on the criteria we use for determining when we intend to address a reported vulnerability through a security update. Our belief is that improving transparency on...