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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...
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...
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...
December 2018 Security Update Release
Today, we released a security update for Internet Explorer after receiving a report from Google about a new vulnerability being used in targeted attacks. Customers who have Windows Update enabled and have applied the latest security updates, are protected automatically. We encourage customers to...
December 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...
First Steps in Hyper-V Research
Microsoft has put a lot of effort in Hyper-V security. Hyper-V, and the whole virtualization stack, runs at the core of many of our products: cloud computing, Windows Defender Application Guard, and technology built on top of Virtualization Based Security VBS. Because Hyper-V is critical to so mu...
[セキュリティ基本対策 5 か条] 第 4 条 暗号化を行う
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 4 条「暗号化...
Standing behind “MSRC Listens”
Last week at BlueHat’s “MSRC Listens” session, I took the stage with Mechele Gruhn, manager of the Vulnerability Response PM team, to explain how MSRC is changing our communication, workflows, and tooling to deliver an improved user experience for our partners in the security research community. ...
2018 年 10 月 Office 365 で TLS 1.0, 1.1 での接続無効化。 最終確認を！
こんにちは、垣内ゆりかです。 マイクロソフトでは、Transport Layer Security TLS 1.0, 1.1 の利用を廃止し、より安全...
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...
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...
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...
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...
Inside the MSRC– The Monthly Security Update Releases
For the second in this series of blog entries we want to look into which vulnerability reports make it into the monthly release cadence. It may help to start with some history. In September 2003 we made a change from a release anytime approach to a mostly predictable, monthly release cadence...
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...
ソーシャル エンジニアリングによって引き起こされる攻撃を途絶させる方法
本記事は、Microsoft Secure ブログ “How to disrupt attacks caused by social engineering” 2018 年 1 月 10 日 米国時間...
マイクロソフト、法執行機関などとの連携により Gamarue (Andromeda) を撲滅
本記事は、Microsoft Secure ブログ “Microsoft teams up with law enforcement and other partners to disrupt Gamarue Andromeda...
重要なポイントでランサムウェアを阻止: コントロールされたフォルダー アクセス機能でデータを保護する
本記事は、Windows Security のブログ “Stopping ransomware where it counts: Protecting your data with Controlled folder access” 2017 年 10 月 23 日 米...
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...
August 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...
Update on Petya malware attacks
As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including conflation of unrelated and misleading pieces of data, so Microsoft teams mobilized to investiga...
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...
2017 年 5 月のセキュリティ更新プログラム (月例)
2017 年 5 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...
2017 年 1 月のセキュリティ情報 (月例) - MS17-001 ～ MS17-004
2017 年 1 月 11 日 日本時間、マイクロソフトは計 4 件 緊急 1 件、重要 3 件 の新規セキュリティ情報を公開し...
Microsoft Bounty Program expansion - .NET Core and ASP.NET RC2 Beta Bounty
Today I have another exciting expansion of the Microsoft Bounty Program. Please visit https://aka.ms/BugBounty to find out more. As we approach release for .NET Core and ASP.NET, we would like to get even more feedback from the security research community. We are offering a bounty on the .NET Cor...
April 2016 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...
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...
November 2015 Security Update Release Summary
Today we released security updates to provide 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 TechNet Librar...
Evolving Microsoft's Advance Notification Service in 2015
Our Advance Notification Service ANS was created more than a decade ago as part of Update Tuesday to broadly communicate in advance, about the security updates being released for Microsoft products and services each month. Over the years, technology environments and customer needs have evolved,...
Assessing risk for the July 2014 security updates
Today we released six security bulletins addressing 29 unique CVE’s. Two bulletins have a maximum severity rating of Critical, three have maximum severity Important, and one is Moderate. We hope that the table below helps you prioritize the deployment of the updates appropriately for your...
Microsoft releases Security Advisory 2974294
Today, we released Security Advisory 2974294 to inform global customers about an update for the Microsoft Malware Protection Engine. This update addresses a privately disclosed issue and fixes a vulnerability that could allow a denial of service if the Microsoft Malware Protection Engine scans a...
More Details about Security Advisory 2963983 IE 0day
Today we released Security Advisory 2963983 regarding a potential vulnerability in Internet Explorer reported by FireEye and currently under investigation. We are working closely with FireEye to investigate this report of a vulnerability which was found used in very limited targeted attack: - the...
MS14-019 – Fixing a binary hijacking via .cmd or .bat file
Command .cmd and batch .bat files can be directly provided as input to the CreateProcess as if it is an executable. CreateProcess uses the cmd.exe automatically to run the input .cmd or .bat. Today, with the bulletin MS14-019 we are fixing a vulnerability, where in particular scenario it is...
Advance Notification Service for the April 2014 Security Bulletin Release
Today we provide advance notification for the release of four bulletins, two rated Critical and two rated Important in severity. These updates address issues in Microsoft Windows, Office and Internet Explorer. The update provided through MS14-017 fully addresses the Microsoft Word issue first...
Microsoft Releases Security Advisory 2953095
Today we released Security Advisory 2953095 to notify customers of a vulnerability in Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. An attacker could cause remote code execution if someone was convinced to open a specially crafted Rich Te...
Update (2/10) - Advance Notification Service for February 2014 Security Bulletin Release
Update as of February 10, 2014 We are adding two updates to the February release. There will be Critical-rated updates for Internet Explorer and VBScript in addition to the previously announced updates scheduled for release on February 11, 2014. These updates have completed testing and will be...
Software defense: mitigating common exploitation techniques
In our previous posts in this series, we described various mitigation improvements that attempt to prevent the exploitation of specific classes of memory safety vulnerabilities such as those that involve stack corruption, heap corruption, and unsafe list management and reference count...
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...
BlueHat v13 is Coming
This week, starting Thursday, we’ll be hosting our 13th edition of BlueHat. I’m always so impressed with the level of knowledge we attract to each BlueHat, and while the event is invite-only, we’ll be sharing glimpses into the event via this blog and the hashtag BlueHat. For each of the past six...
Bounty News Update: Bountiful Harvest
Fall is a season traditionally associated with a harvest after planting the seeds and tending the crops. Today I’m proud to announce the names of six very smart people who have helped us make our products more secure by participating in our new bounty programs. When we launched our bounty program...
Filling A Gap In the Vulnerability Market – First Bounty Notification
When Microsoft decided to offer not one but three new bounties, paying outside researchers directly for security research on some of our latest products, we put a lot of thought into developing those bounty programs. We developed a customized set of programs designed to create a win-win between t...
Announcing the Microsoft Bounty Programs
Over the years, weve put a lot of work into helping secure the computing ecosystem and limiting the number of issues in our products. The security researcher community is critical to these efforts, as they help us find vulnerabilities in our software that we may have missed. Now were taking it ev...
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...
セキュリティ更新プログラムのアナトミー
本ブログは、Anatomy of a Security Update の抄訳版です。最新の情報は原文を参照してください。 マイクロソフト セ...
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 ...
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...
New Nobelium activity
The Microsoft Threat Intelligence Center is tracking new activity from the NOBELIUM threat actor. Our investigation into the methods and tactics being used continues, but we have seen password spray and brute-force attacks and want to share some details to help our customers and communities prote...
マイクロソフト脆弱性報告窓口 ガイド (日本語)
マイクロソフトでは、より安全・安心な製品・サービスを提供するため、脆弱性報告窓口および報告者に対する...
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...
Continuing to Listen: Good News about the Security Update Guide API!
Based on user feedback we have simplified programmatic access to the security update data by removing the authentication and API-Key requirements when using the CVRF API. You will no longer have to log in to obtain a personal API key to access the data. We're happy to make this valuable public...