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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...
Protecting customers and evaluating risk
Today, Microsoft triaged a large release of exploits made publicly available by Shadow Brokers. Understandingly, customers have expressed concerns around the risk this disclosure potentially creates. Our engineers have investigated the disclosed exploits, and most of the exploits are already...
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...
Windows Defender ATP でクロスプロセス インジェクションを発見する
本記事は、Microsoft Malware Protection Center のブログ “Uncovering cross-process injection with Windows Defender ATP” 2017 年 3 月 8 日 米国時...
Microsoft BlueHat v17 Dates Announced - Update 4/3/2017
Update - The Call For Papers CFP for BlueHat v17 will be held from 6/1/2017 - 8/18/2017. We will be setting up a submissions portal for web based submissions of papers. The portal will be live on 6/1/2017. Please do not send submissions to [email protected]. Microsoft is pleased to announce...
February 2017 security update release
UPDATE: 2/15/17: We will deliver updates as part of the planned March Update Tuesday, March 14, 2017. Our top priority is to provide the best possible experience for customers in maintaining and protecting their systems. This month, we discovered a last minute issue that could impact some custome...
Security Engineering Evolution in Office 2016 for Mac
Security is a critical component in all our products at Microsoft. An emphasis on strong security starts at the beginning of all our work, including threat modelling as part of the design process and the consideration of Apple’s own security recommendations for our products on Apple’s platforms. ...
August 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...
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...
October 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...
Out-of-band release for Security Bulletin MS15-078
Today, we released a security bulletin to provide an update for Microsoft Windows. Customers who have automatic updates enabled or apply the update, will be protected. We recommend customers apply the update as soon as possible, following the directions in the security bulletin. More information...
Advances in Scripting Security and Protection in Windows 10 and PowerShell V5
In the last several releases of Windows, we’ve been working hard to make the platform much more powerful for administrators, developers, and power users alike. PowerShell is an incredibly useful and powerful language for managing Windows domains. Unfortunately, attackers can take advantage of the...
May 2015 Updates
Today, as part of Update Tuesday, we released 13 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including a detailed view of the Exploitability Index XI, visit the Microsoft Bulletin Summary webpage. If you are n...
Security Advisory 3010060 released
Today, we released Security Advisory 3010060to provide additional protections regarding limited, targeted attacks directed at Microsoft Windows customers. A cyberattacker could cause remote code execution if someone is tricked into opening a maliciously-crafted PowerPoint document that contains a...
Assessing risk for the August 2014 security updates
Today we released nine security bulletins addressing 37 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other seven have a maximum severity rating of Important. This table is designed to help you prioritize the deployment of updates appropriately for your...
July 2014 Security Bulletin Webcast and Q&A
Today we published the July 2014 Security Bulletin webcast questions and answers page along with the webcast replay. We answered eight questions on air, with the majority focusing on the update for Internet Explorer. The transcript also includes a question we did not have time to answer on the ai...
An Overview of KB2871997
An Overview of KB2871997 Microsoft recently released KB2871997 for Windows 7, Windows 8, Windows Server 2008R2, and Windows Server 2012. This blog will give an overview of the feature changes, their impact, and some important configuration changes that can be made in conjunction with the update t...
Meet myBulletins: an online security bulletin customization service
Microsoft is committed to promoting a safer, more trusted Internet and providing monthly security updates is one of the ways our customers keep their devices and connections to the Internet more secure. Packaging updates together into a monthly bulletin cycle stems from customer feedback and offe...
The May 2014 Security Updates
Today, we released eight security bulletins – two rated Critical and six rated Important – to address 13 Common Vulnerability & Exposures CVEs in .NET Framework, Office, SharePoint, Internet Explorer, and Windows. We encourage you to apply all of these updates, but for those who need to prioritiz...
Out-of-Band Release to Address Microsoft Security Advisory 2963983
At approximately 10 a.m. PDT, we will release an out-of-band security update to address the issue affecting Internet Explorer IE that was first discussed in Security Advisory 2963983. This update is fully tested and ready for release for all affected versions of the browser. The majority of...
Assessing risk for the April 2014 security updates
Today we released four security bulletins addressing 11 unique CVE’s. Two bulletins have a maximum severity rating of Critical while the other two have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your...
The Next Leap Forward in Cyber Defense: Taking Action to Help Defeat Adversaries
It is often said that attackers have an advantage, because the defenders have to protect every part of their systems all the time, while the attacker only has to find one way in. This argument oversimplifies the security landscape and the real strength that defenders can achieve if they work...
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...
Assessing risk for the February 2014 security updates
Today we released seven security bulletins addressing 31 unique CVE’s. Four bulletins have a maximum severity rating of Critical while the other three have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for you...
Security Advisory 2916652 released, Certificate Trust List updated
Microsoft is updating the Certificate Trust List CTL for all supported releases of Microsoft Windows to remove the trust of a mis-issued third-party digital certificate, which could be used to spoof content and perform phishing or man-in-the-middle attacks against web properties. With this action...
Advance Notification Service for December 2013 Security Bulletin Release
Today we’re providing advance notification for the release of 11 bulletins, five Critical and six Important, for December 2013. The Critical updates address vulnerabilities in Internet Explorer, Windows, Microsoft Exchange and GDI+. The Critical update for GDI+ fully addresses the publicly...
Advance Notification Service for October 2013 Security Bulletin Release
Today we’re providing advance notification for the release of eight bulletins, four Critical and four Important, for October 2013. The Critical updates address vulnerabilities in Internet Explorer, .NET Framework and Windows. The Critical update for Internet Explorer will be a cumulative update...
August 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the August 2013 Security Bulletin Webcast Questions & Answers page. We fielded 13 questions on various topics during the webcast, with specific bulletin questions focusing primarily on Exchange Server MS13-061 and Windows Kernel MS13-063. There were 3 additional questions...
Cryptographic Improvements in Microsoft Windows
You might remember that in June 2013 we released Security Advisory 2854544 announcing additional options for enterprise customers to manage their digital certificate handling configuration on the Windows platform. The particular functionality announced in Security Advisory 2854544 was first built...
Attention Bounty Hunters – The Ramp Up to Black Hat
We’re three weeks into our new world of bounties for Microsoft products now, and as the clock ticks down on one program, we’re prepping for some live excitement with one of the others. First, the Internet Explorer 11 Preview Bounty is entering its final 10 days; the bounty period for that program...
June 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the June 2013 Security Bulletin Webcast Questions & Answers page. We fielded three questions during the webcast, with specific questions focusing primarily on Windows Print Spooler MS13-050, Microsoft Office MS13-051, and the security advisory addressing digital certificate...
Advanced Notification Service for the June 2013 Security Bulletin Release
Today we’re providing Advance Notification of five bulletins for release on Tuesday, June 11, 2013. This release brings one Critical- and four Important-class bulletins. The Critical-rated bulletin addresses issues in Internet Explorer, and the Important-rated bulletins address issues in Microsof...
Weaponizing cross site scripting: When one bug isn’t enough
Cross-Site Scripting XSS is often underestimated as a minor vulnerability. In reality, XSS can open the door to more severe attacks when combined with other vulnerabilities...
Congratulations to the top MSRC 2025 Q3 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...
postMessaged and Compromised
At Microsoft, securing the ecosystem means more than just fixing bugs—it means proactively hunting for variant classes, identifying systemic weaknesses, and working across teams to protect customers before attackers ever get the chance. This blog highlights one such effort: a deep dive into the...
BlueHat 2023: Applications to Attend NOW OPEN!
We are excited to announce that applications to attend BlueHat 2023 are now open We are excited to announce that applications to attend BlueHat 2023 are now open BlueHat 2023 will be the 20th version of the BlueHat conference and will once again be on the Microsoft campus in Redmond, WA, USA, fro...
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...
Microsoft Exchange サーバーのゼロデイ脆弱性報告に関するお客様向けガイダンス
本ブログは、Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Serverの抄訳版です。最新の情報は原文を参照してくだ...
Defense-in-Depth Updates for Azure Identity libraries and Azure Key Vault libraries within Azure SDK plus Best Practice Implementation Guidance
Summary Summary Today, Microsoft released new versions of the Azure Key Vault libraries and Azure Identity libraries as part of the Azure Software Development Kit SDK that includes defense-in-depth feature improvements. We also published best practice guidance to help protect applications and...
Defense-in-Depth Updates for Azure Identity libraries and Azure Key Vault libraries within Azure SDK plus Best Practice Implementation Guidance
Summary Today, Microsoft released new versions of the Azure Key Vault libraries and Azure Identity libraries as part of the Azure Software Development Kit SDK that includes defense-in-depth feature improvements. We also published best practice guidance to help protect applications and services th...
好奇心旺盛、革新的、創造的、コミュニティ主導型:Cyb3rWard0g、ロベルトロドリケスに会う
本ブログは、Curious, Innovative, Creative, Community Driven: Meet Cyb3rWard0g, Roberto Rodriquez の抄訳版です。最新の情報は原文を参照してください。 大きく...
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...
Security Update Guide Notification System News: Create your profile now
Sharing information through the Security Update Guide SUG is an important part of our ongoing effort to help customers manage security risks and keep systems protected. In January 2022 we introduced Phase One of a new way for customers to receive email notifications about new Microsoft product...
Security Update Guide Notification System News: Create your profile now
Sharing information through the Security Update Guide SUG is an important part of our ongoing effort to help customers manage security risks and keep systems protected. In January 2022 we introduced Phase One of a new way for customers to receive email notifications about new Microsoft product...
Microsoft Office to publish symbols starting August 2022
We are excited to announce that Microsoft Office will begin publishing Office symbols for Windows via the Microsoft Public Symbol Server on August 9th 2022. The publication of Office symbols is a part of our continuing investment to improve security and performance for customers and partners. Key...
Congratulations to the Top MSRC 2022 Q2 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 Q2 Security Researcher Leaderboard are: Yuki Chen...
A Man of Action: Meet Callum Carney
Hidden Talents : He was a competitive swimmer for many years. Instrument of Choice : His fingers were made for the keyboard, but he used to play the trumpet. 5 pieces of entertainment for the rest of his life : The Office, World War Z, The Matrix, Breaking Bad, The Thick of It...
New Research Paper: Pre-hijacking Attacks on Web User Accounts
In 2020, MSRC awarded two Identity Project Research Grants to support external researchers working to further strengthen the security of identity protocols and systems. Today we are pleased to release the results of the first of these projects. This research, led by independent security researche...
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...
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...