1377 matches found
December 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...
December 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...
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...
November 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...
Microsoft Office に関する報奨金プログラムの延長
本記事は、Microsoft Security Response Center のブログ “Extending the Microsoft Office Bounty Program” 2017 年 9 月 15 日 米...
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...
Moving Beyond EMET II – Windows Defender Exploit Guard
Since we last wrote about the future of EMET and how it relates to Windows 10 back in November 2016 see Moving Beyond EMET, we have received lots of invaluable feedback from EMET customers and enthusiasts regarding the upcoming EMET end of life. Based on that feedback, we are excited to share...
The MSRC 2017 list of “Top 100” security researchers
Security researchers play an essential role in Microsoft’s security strategy and are key to community-based defense. To show our appreciation for their hard work and partnership, each year at BlackHat North America, the Microsoft Security Response Center highlights contributions of these...
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...
2017 年 7 月のセキュリティ更新プログラム (月例)
2017 年 7 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...
Petya ランサムウェア攻撃に対する Windows 10 プラットフォームのレジリエンス
本記事は、MMPC のブログ “Windows 10 platform resilience against the Petya ransomware attack” 2017 年 6 月 29 日 米国時間公開 の一...
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...
Microsoft Edge に関する報奨金プログラムの拡張
本記事は、Microsoft Security Response Center のブログ “Extending the Microsoft Edge Bounty Program” 2017 年 6 月 21 日 米...
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 3 月のセキュリティ情報 (月例) - MS17-006 ～ MS17-023
2017 年 3 月 15 日 日本時間、マイクロソフトは計 18 件 緊急 9 件、重要 9 件 の新規セキュリティ情報を公開し...
SHA-1 Collisions Research
Today, a group of eight researchers from across the security industry released a research report on SHA-1 that demonstrates for the first time, a “hash collision” for the full SHA-1 hash algorithm called “SHAttered”. This is a significant step toward understanding this type of security issue, a...
Adobe Flash Player の脆弱性を修正するセキュリティ更新プログラムを定例外で公開
本日、セキュリティ情報 MS17-005「Adobe Flash Player のセキュリティ更新プログラム」を公開しました。...
January 2017 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...
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...
EMET: To be, or not to be, A Server-Based Protection Mechanism
Hi Folks – Platforms PFE Dan Cuomo here to discuss a common question seen in the field: “My customer is deploying EMET and would like to know if it is supported on Server Operating Systems.” On the surface there is a simple answer to this question, however with a little poking, a little prodding,...
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...
December 2014 Updates
Today, as part of Update Tuesday, we released seven security updates – three rated Critical and four rated Important in severity, to address 24 unique Common Vulnerabilities and Exposures CVEs in Microsoft Windows, Internet Explorer IE, Office and Exchange. We encourage you to apply all of these...
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 Bulletin Webcast and Q&A
Today, we published the August 2014 Security Bulletin webcast questions and answers page along with the webcast replay. We answered ten questions on air, with the majority focusing on the update for Internet Explorer. Here is the video replay: We are aware of some issues related to the recent...
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...
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...
Advance Notification Service for the July 2014 Security Bulletin Release
Today, we provide advance notification for the release of six Security Bulletins. Two of these are rated Critical, three are rated as Important, and one is rated Moderate in severity. These Updates are for Microsoft Windows and Internet Explorer. This month we will also premier the new format for...
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...
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...
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...
Security Update Released to Address Recent Internet Explorer Vulnerability
Today, we released a security update to address the Internet Explorer IE vulnerability first described in Security Advisory 2963983. This security update addresses every version of Internet Explorer. While we’ve seen only a limited number of targeted attacks, customers are advised to install this...
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...
February 2014 Security Bulletin Webcast and Q&A
Today we published the February 2014 Security Bulletin Webcast Questions & Answers page. We answered seven questions on air, with the majority of questions focusing on the MSXML bulletin MS14-005 and the revision to Security Advisory 2915720. One question that was not answered on air has been...
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...
MBSA 2.3 and the November 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the November 2013 Security Bulletin Webcast Questions & Answers page. The majority of questions focused on the ActiveX Kill Bits bulletin MS13-090 and the advisories. We also answered a few general questions that were not specific to any of this month’s updates, but that ma...
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...
September 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the September 2013 Security Bulletin Webcast Questions & Answers page. The majority of questions focused on Office bulletins, especially SharePoint Server MS13-067. We received multiple Office related questions that were very similar in nature, so the questions have been...
Running in the wild, not for so long
Over the weekend we received a report from our partners about a possible unpatched Internet Explorer vulnerability being exploited in the wild. The exploit code uses a memory corruption bug triggered from a webpage but it deeply leverages a Flash SWF file in order to achieve reliable exploitation...
Improved cryptography infrastructure and the June 2013 bulletins
It was just over one year ago, May 28, 2012, to be exact, that I transitioned from running active MSRC cases and writing bulletins to my current role managing software security incidents. A lot has changed in that year- and I’ve dealt with some interesting issues during my tenure - but our goal o...
Congratulations to the Top MSRC 2022 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 2022 Q4 Security Researcher Leaderboard are:...
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...
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...
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...
Update on the vulnerability in the Azure Cosmos DB Jupyter Notebook Feature
On August 12, 2021, a security researcher reported a vulnerability in the Azure Cosmos DB Jupyter Notebook feature that could potentially allow a user to gain access to another customer's resources by using the account's primary read-write key. We mitigated the vulnerability immediately. Our...
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...
“BadAlloc” – Memory allocation vulnerabilities could affect wide range of IoT and OT devices in industrial, medical, and enterprise networks
Microsoft’s Section 52, the Azure Defender for IoT security research group, recently uncovered a series of critical memory allocation vulnerabilities in IoT and OT devices that adversaries could exploit to bypass security controls in order to execute malicious code or cause a system crash. These...
サイバーセキュリティ月間 2021
今年もサイバーセキュリティ月間 2 月 1 日～ 3 月 18 日 が始まりました。サイバーセキュリティ月間とは、内閣...
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...