急速に広がるサイバー攻撃「ラピッド サイバー攻撃」の概要

本記事は、Microsoft Secure ブログ “Overview of rapid cyberattacks” 2018 年 1 月 23 日 米国...

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...

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...

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...

EMET は Windows 10 Defender Exploitation Guard へ統合されます

こんにちは、垣内ゆりかです。 本ブログでも、たびたび取り上げてきました 脆弱性緩和ツール Enhanced Mitigation Experience Toolkit EMET 。 EMET は...

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...

Windows Defender ATP でステルス性の高いクロスプロセス インジェクション手法を検出する: プロセス ハロウイングと AtomBombing

本記事は、Microsoft Malware Protection Center のブログ “Detecting stealthier cross-process injection techniques with Windows Defender ATP: Process hollowing and atom bombing...

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...

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...

EnglishmansDentist Exploit Analysis

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 the exploit...

Eternal Synergy Exploit Analysis

Introduction Recently we announced a series of blog posts dissecting the exploits released by the ShadowBrokers in April 2017; specifically some of the less explored exploits. This week we are going to take a look at Eternal Synergy, an SMBv1 authenticated exploit. This one is particularly...

Extending the Microsoft Edge Bounty Program

Over the past ten months we have paid out over $200,000 USD in bounties. This collaboration with the research community has resulted in significant improvements in Edge security and has allowed us to offer more proactive security for our customers. Keeping in line with our philosophy of protectin...

Bountycraft at Nullcon 2017

Security is a critical component of our products at Microsoft. A strong emphasis on security is a persistent factor throughout our entire development process. Microsoft is committed to designing and developing secure software. Testing is performed both internally and by working closely with the...

April 2017 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...

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”...

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...

March 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 can be found in the Security TechNet Library...

BlueHat v15 Announces Schedule and Registration

As we inch closer to the 15th BlueHat Security Conference, we are happy to announce the lineup of speakers and topics for this event. This year will continue with a solid speaker and topic selection that engage engineers, executives, and invited guests to discuss and tackle some of the hardest...

Microsoft Bounty Programs Expansion - .NET Core and ASP.NET Beta Bounty

Today, I have another exciting expansion of the Microsoft Bounty Programs to announce. Please visit https://aka.ms/bugbounty to find out more. I’ll be discussing this new bounty in my talk at SyScan360 on October 21, 2015. We are delighted to offer a bounty for the .NET Core and ASP.NET Beta whic...

A Call for Better Coordinated Vulnerability Disclosure

For years our customers have been in the trenches against cyberattacks in an increasingly complex digital landscape. We’ve been there with you, as have others. And we aren’t going anywhere. Forces often seek to undermine and disrupt technology and people, attempting to weaken the very devices and...

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,...

BlueHat v14 is almost here

It’s that time of year and BlueHat v14 is almost upon us. As always, BlueHat is an opportunity for us to bring the brightest minds in security together, both internal and external, to discuss and tackle some of the hardest problems facing the industry today. Through this conference, our engineeri...

Assessing risk for the September 2014 security updates

Today we released four security bulletins addressing 42 unique CVE’s. One bulletin has a maximum severity rating of Critical and the other three have maximum severity Important. This table is designed to help you prioritize the deployment of updates appropriately for your environment. Bulletin Mo...

August 2014 Security Updates

Today, as part of Update Tuesday, we released nine securityupdates – two rated Critical and seven rated Important – to address 37 Common Vulnerabilities & Exposures CVEs in SQL Server, OneNote, SharePoint, .NET, Windows and Internet Explorer IE. We encourage you to apply all of these updates, but...

Advance Notification Service for the August 2014 Security Bulletin Release

Today, we provide advance notification for the release of nine Security Bulletins. Two of these are rated Critical, and the remaining seven are rated Important in severity. These Updates are for SQL Server, SharePoint, OneNote, .NET, Microsoft Windows, and Internet Explorer. As per our usual...

Advance Notification Service for the May 2014 Security Bulletin Release

Today we provide Advance Notification Service ANS for the release of eight bulletins, two rated Critical and six rated Important in severity. These updates will address vulnerabilities for .NET Framework, Office, Internet Explorer, and Windows. As we do every month, we’ve scheduled the security...

Continuing with Our Community Driven, Customer Focused Approach for EMET

The Enhanced Mitigation Experience Toolkit, best known as EMET, helps raise the bar against attackers gaining access to computer systems. Since the first release of EMET in 2009, our customers and the security community have adopted EMET and provided us with valuable feedback. Feedback both in...

Protection strategies for the Security Advisory 2963983 IE 0day

We’ve received a number of customer inquiries about the workaround steps documented in Security Advisory 2963983 published on Saturday evening. We hope this blog post answers those questions. Steps you can take to stay safe The security advisory lists several options customers can take to stay...

Safer Internet Day 2014 and Our February 2014 Security Updates

In addition to today being the security update release, February 11 is officially Safer Internet Day for 2014. This year, we’re asking folks to Do 1 Thing to stay safer online. While you may expect my “Do 1 Thing” recommendation would be to apply security updates, I’m guessing that for readers of...

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...

A Look Into the Future and the January 2014 Bulletin Release

In January, there are those who like to make predictions about the upcoming year. I am not one of those people. Instead, I like to quote Niels Bohr who said, “Prediction is very difficult, especially if it’s about the future.” However, I can say without a doubt that change is afoot in 2014...

Omphaloskepsis and the December 2013 Security Update Release

There are times when we get too close to a topic. We familiarize ourselves with every aspect and nuance, but fail to recognize not everyone else has done the same. Whether you consider this myopia, navel-gazing, or human nature, the effect is the same. I recognized this during the recent webcast...

An update on the bounty programs

Back in June of this year, we announced three new bounty programs that will pay researchers for techniques that bypass built-in OS mitigations and protections, for defenses that stop those bypasses and for vulnerabilities in Internet Explorer 11 Preview. This past Friday, we provided some...

Software Defense: mitigating stack corruption vulnerabilties

Introduction One of the oldest forms of memory safety exploitation is that of stack corruption vulnerabilities, with several early high-profile exploits being of this type. It seems fitting therefore to kick off this Software Defense series by looking at the status of software defense today with...

Assessing risk for the September 2013 security updates

Today we released thirteen security bulletins addressing 47 CVE’s. Four bulletins have a maximum severity rating of Critical while the other ten have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your...

MS13-068: A difficult-to-exploit double free in Outlook

MS13-068 addresses a memory corruption vulnerability accessible by simply previewing a message in the Outlook Preview Pane. As such, we’ve rated this security vulnerability as Critical and we encourage customers to deploy the security update. However, in this case, we believe this particular...

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...

Microsoft Bug Bounty Program Year in Review: $13.8M in Rewards

We are thrilled to share the results of our collaboration with over 345 security researchers from +45 countries around the world in the past 12 months. Together, we have discovered and fixed more than a thousand potential security issues before they impacted our customers. In recognition of this...

Security Update Guide Improvement – Representing Hotpatch Updates

Today we are updating the way Microsoft Security Update Guide SUG represents the Windows Hotpatch feature to make it easier for users to identify the hotpatch and security updates. Hotpatching was introduced a year ago as a new way to install updates on supported Windows Server Azure Edition...

Microsoft Bug Bounty Programs Year in Review: $13.7M in Rewards

The Microsoft Bug Bounty Programs and partnerships with the global security research community are important parts of Microsoft’s holistic approach to defending customers against security threats. Our bounty programs incentivize security research in high-impact areas to stay ahead of the...

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...

Announcing the Top MSRC 2021 Q2 Security Researchers - Congratulations!

We’re excited to announce the top contributing researchers for the 2021 Second Quarter Q2! Congratulations to all the researchers recognized in this quarter’s leaderboard and thank you to everyone who continues to help secure our customers and the...

Microsoft Bug Bounty Programs Year in Review: $13.6M in Rewards

Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. Bug bounty programs are one part of this partnership. By discovering and reporting vulnerabilities to Microsoft through Coordinated Vulnerability Disclosure...

Investigating and Mitigating Malicious Drivers

The security landscape continues to rapidly evolve as threat actors find new and innovative methods to gain access to environments across a wide range of vectors. As the industry moves closer to the adoption of a Zero Trust security posture with broad and layered defenses, we remain committed to...

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...

2021 年 6 月のセキュリティ更新プログラム (月例)

2021 年 6 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...

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 緩和ツール (ワンクリックの緩和ツール)

「One-Click Microsoft Exchange On-Premises Mitigation Tool – March 2021」の日本語抄訳です。 最近のオンプレミスの Exchange Server を狙った攻撃に...

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...

MSRC Security Researcher Recognition: 2021

Wondering how to get into the 2021 MSRC Most Valuable Security Researcher list and get recognized during the Black Hat USA this August? Read on to learn more about the different paths you can take to get into the top researcher tiers. The MSRC Most Valuable Security Researcher MVR and MSRC...