1372 matches found
2021 年 2 月のセキュリティ更新プログラム (月例)
2021 年 2 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...
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...
休暇中に被害に遭わないために ~お休み前のセキュリティ チェック~
日本では年末年始は多くの方が休暇になり、企業組織の業務はおやすみになります。しかしながら、サイバー犯...
Nobelium Resource Center - updated March 4, 2021
UPDATE: Microsoft continues to work with partners and customers to expand our knowledge of the threat actor behind the nation-state cyberattacks that compromised the supply chain of SolarWinds and impacted multiple other organizations. Microsoft previously used ‘Solorigate’ as the primary...
Security Update Guide: Let's keep the conversation going
Hi Folks, We want to continue to highlight changes we’ve made to our Security Update Guide. We have received a lot of feedback, much of which has been very positive. We acknowledge there have been some stability problems and we are actively working through reports of older browsers not being able...
2020 年 11 月のセキュリティ更新プログラム (月例)
2020 年 11 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...
Control Flow Guard for Clang/LLVM and Rust
As part of our ongoing efforts towards safer systems programming, we’re pleased to announce that Windows Control Flow Guard CFG support is now available in the Clang C/C++ compiler and Rust. What is Control Flow Guard? CFG is a platform security technology designed to enforce control flow...
Machine Learning Security Evasion Competition 2020 Invites Researchers to Defend and Attack
Machine learning ML is an increasingly valuable tool in cyber security as adversaries continually evolve their tactics and techniques to evade detection. As machine learning has advanced and sophisticated ML models have been developed to assist security professionals in protecting the cloud,...
Machine Learning Security Evasion Competition 2020 Invites Researchers to Defend and Attack
Machine learning ML is an increasingly valuable tool in cyber security as adversaries continually evolve their tactics and techniques to evade detection. As machine learning has advanced and sophisticated ML models have been developed to assist security professionals in protecting the cloud,...
Access Misconfiguration for Customer Support Database
Today, we concluded an investigation into a misconfiguration of an internal customer support database used for Microsoft support case analytics. While the investigation found no malicious use, and although most customers did not have personally identifiable information exposed, we want to be...
[IT管理者向け] 脆弱性の悪用のしやすさを知る~悪用可能性指標と緩和策
マイクロソフトでは毎月第二火曜日 米国時間 に定例のセキュリティ更新プログラムを公開し、修正した脆弱...
[あらためて確認を] RDP の脆弱性に対するセキュリティ更新プログラムの適用を推奨
2019 年、マイクロソフトはリモートデスクトッププロトコル Remote Desktop Protocol: RDP、 Terminal Services における複数の脆弱性を修正し...
Announcing 2019 MSRC Most Valuable Security Researchers
Earlier today we announced MSRC’s 2018-2019 Most Valuable Security Researchers at Black Hat. The following 75 researchers hail from all corners of the world and possess varied experience and skills, yet all of them have contributed to securing the Microsoft’s customers and the broader ecosystem...
It’s Official – The Way We Recognize Our Security Researchers
We deeply appreciate the partnership of the many talented security researchers who report vulnerabilities to Microsoft through Coordinated Vulnerability Disclosure. We pay bounties for research in key areas, and each year at Black Hat USA, we’ve recognized the most impactful researchers helping t...
2019 年 6 月のセキュリティ更新プログラム (月例)
2019 年 6 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...
May 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...
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...
March 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...
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...
[セキュリティ基本対策 5 か条] 第 5 条 バックアップの取得を設定する
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 5 条「バック...
Behind BlueHat: The Art
We are just one day away from the opening of BlueHat v18 and excitement is building. One of the questions that I have gotten more frequently the past couple years is about the artwork we use for BlueHat. So yes there is a theme. 😊 Starting in 2014, we introduced the Top Hat logo which the communi...
Inside MSRC: Sharing Our Story & Customer Tips
For the last 20 years, the Microsoft Security Response Center has been an integral part of Microsoft’s commitment to customer security. We are often called on to talk about the work we do and how customers can apply the lessons we have learned over that period to better their security posture...
Windows システム上の Spectre および Meltdown に対する緩和策のパフォーマンスへの影響について
本記事は、Microsoft Secure ブログ “Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems”...
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...
Outlook 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
2017 年 7 月 28 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定例外で公...
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...
2017 年 6 月のセキュリティ更新プログラム (月例)
2017 年 6 月 14 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 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...
May 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...
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...
Office 365 security researchers: Double your bounties March-May 2017
Microsoft strives to protect our customers and we’re constantly improving our security posture to meet their needs. We realize the desire of researchers and customers to security test our services to ensure they can trust us and our solutions. We also believe that if a researcher informs us of a...
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...
2016 年 12 月のセキュリティ情報 (月例) - MS16-144 ~ MS16-155
2016 年 12 月 14 日 日本時間、マイクロソフトは計 12 件 緊急 6 件、重要 6 件 の新規セキュリティ情報を公開し...
Moving Beyond EMET
EMET – Then and Now Microsoft’s Trustworthy Computing initiative was 7 years old in 2009 when we first released the Enhanced Mitigation Experience Toolkit EMET. Despite substantial improvements in Windows OS security during that same period, it was clear that the way we shipped Windows at the tim...
Microsoft Bounty Programs Expansion – Microsoft Edge Remote Code Execution (RCE) Bounty
I’m very happy to announce another addition to the Microsoft Bounty Programs. Microsoft will be hosting a bounty for Remote Code Execution vulnerabilities in Microsoft Edge on Windows Insider Preview builds. This bounty continues our partnership with the security research community in working to...
Microsoft Bounty Programs Announce Expansion - Bounty for Microsoft OneDrive
At Microsoft, we continue to add new properties to our security bug bounty programs to help keep our customer’s secure. Today, I’m pleased to announce the addition of Microsoft OneDrive to the Microsoft Online Services Bug Bounty Program. This addition further incentivizes security researchers to...
February 2015 Updates
Today, as part of Update Tuesday, we released nine security bulletins– three rated Critical and six rated Important in severity, to address 56 unique Common Vulnerabilities and Exposures CVEs in Microsoft Windows, Microsoft Office, Internet Explorer, and Microsoft Server software. We encourage yo...
Security Advisory 2982792 released, Certificate Trust List updated
Today, we are updating the Certificate Trust List CTL for all supported releases of Microsoft Windows to remove the trust of mis-issued third-party digital certificates. These certificates could be used to spoof content and perform phishing or man-in-the-middle attacks against web properties. Wit...
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...
Driving a Collectively Stronger Security Community with Microsoft Interflow
Today, Microsoft is pleased to announce the private preview of Microsoft Interflow, a security and threat information exchange platform for analysts and researchers working in cybersecurity. Interflow uses industry specifications to create an automated, machine-readable feed of threat and securit...
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...
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...
Software defense: safe unlinking and reference count hardening
Object lifetime management vulnerabilities represent a very common class of memory safety vulnerability. These vulnerabilities come in many shapes and sizes, and are typically quite difficult to mitigate generically. Vulnerabilities of this type result commonly from incorrect accounting with...
Microsoft Releases Security Advisory 2887505
Today we released Security Advisory 2887505 regarding an issue that affects Internet Explorer. There are only reports of a limited number of targeted attacks specifically directed at Internet Explorer 8 and 9, although the issue could potentially affect all supported versions. This issue could...
July 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the July 2013 Security Bulletin Webcast Questions & Answers page. During the webcast, we fielded 10 questions covering all updates. All questions are included on the Q&A page. We invite our customers to join us for the next scheduled webcast on Wednesday, August 14th at 11...
May 2013 Security Bulletin Webcast, Q&A, and Slide Deck
For those who couldn’t attend the live webcast, today we’re publishing the May 2013 Security Bulletin Webcast Questions & Answers page. We fielded 13 questions on various topics during the webcast, with specific bulletin questions focusing primarily on Internet Explorer MS13-037 and MS13-038 and...
Toward greater transparency: Introducing machine-readable Vulnerability Exploitability Xchange (VEX) for Azure Linux and beyond
Microsoft is now publishing standard attestations about third-party CVEs through the Vulnerability Exploitability eXchange VEX standard including vulnerabilities in embedded open-source software in Microsoft products and services and starting with the Azure Linux Distribution formerly CBL-Mariner...