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,...

Assessing Risk for the November 2014 Security Updates

Today we released fourteen security bulletins addressing 33 unique CVE’s. Four bulletins have a maximum severity rating of Critical, eight have a maximum severity rating of Important, and two have a maximum severity rating of Moderate. This table is designed to help you prioritize the deployment ...

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 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...

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...

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...

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...

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...

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...

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...

Software Defense Series: Exploit mitigation and vulnerability detection

Software Defense is a broad topic requiring a multipronged approach including: - the processes and tooling associated with secure development that we try and encapsulate within the Microsoft SDL, - core OS countermeasures that make exploitation of a given vulnerability more difficult for an...

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...

Announcing the 2013 MSRC Progress Report featuring MAPP expansions

Over the years, our customers have come to expect a certain regularity and transparency in both our security updates and the guidance that goes with them. One regular piece of communication about our work is a yearly progress report, which provides a look into the program updates and bulletin...

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...

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...

MS13-051: Get Out of My Office!

MS13-051 addresses a security vulnerability in Microsoft Office 2003 and Office for Mac. Newer versions of Microsoft Office for Windows are not affected by this vulnerability, but the newest version of Office for Mac 2011 is affected. We have seen this vulnerability exploited in targeted 0day...

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...

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...

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...

2021 年 11 月のセキュリティ更新プログラム (月例)

2021 年 11 月 10 日 日本時間、マイクロソフトは、マイクロソフト製品に影響する脆弱性を修正するために、セキ...

Exchange Server の脆弱性の緩和策

「Microsoft Exchange Server Vulnerabilities Mitigations – March 2021」の日本語抄訳です。 マイクロソフトは先週公開したブログにて、...

2020 年 12 月のセキュリティ更新プログラム (月例)

2020 年 12 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 Top MSRC 2020 Q3 Security Researchers

Following the MSRC’s 2020 Most Valuable Security Researchers announced during this year’s Black Hat, we’re excited to announce the top contributing researchers for the 2020 Third Quarter Q3! The top three researchers of the 2020 Q3...

マルウェア感染が判明した場合の対応ステップ

昨今、働き方の変化に伴い、BYOD Bring Your Own Device 端末のご利用やリモートワークの必要性が増加しています。それ...

2020 年 5 月のセキュリティ更新プログラム (月例)

2020 年 5 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...

March 2020 security updates are available

We have released the March 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 in the Security Update Guide...

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...

January 2020 security updates are available!

We have released the January 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 in the Security Update Guide. As a reminder,...

2020 年 1 月のセキュリティ更新プログラム (月例)

2020 年 1 月 15 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...

January 2020 security updates are available!

We have released the January 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 in the Security Update Guide. As a reminder,...

[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...

Time for day 2 of briefings at BlueHat Seattle!

We hope you enjoyed the first day of our BlueHat briefings and the Bytes of BlueHat reception in our glamping tent complete with toasted marshmallows. Yesterday, we learned a lot about how XboxOne hardware security has advanced the state of hardware security elsewhere, we heard some surprising...

Welcome to the second stage of BlueHat!

We’ve finished two incredible days of security trainings at the Living Computer Museum in Seattle. Now it’s time for the second part of BlueHat: the briefings at ShowBox SoDo. We’ve got a big day planned, so head on down. Please join us for breakfast we have doughnuts! and bacon! and cereal!...

An intern's experience with Rust

Over the course of my internship at the Microsoft Security Response Center MSRC, I worked on the safe systems programming languages SSPL team to promote safer languages for systems programming where runtime overhead is important, as outlined in this blog. My job was to port a security critical...

Announcing the Microsoft Edge Insider Bounty

This week, we released the first Beta preview of the next version of Microsoft Edge. Alongside this, Microsoft is excited to announce the launch of the Microsoft Edge Insider Bounty Program. We welcome researchers to seek out and disclose any high impact vulnerabilities they may find in the next...

2019 年 8 月のセキュリティ更新プログラム (月例)

2019 年 8 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...

August 2019 Security Updates

We have released the August 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 in the Security Update Guide. As a reminder, Windo...

Corporate IoT - a path to intrusion

Several sources estimate that by the year 2020 some 50 billion IoT devices will be deployed worldwide. IoT devices are purposefully designed to connect to a network and many are simply connected to the internet with little management or oversight. Such devices still must be identifiable,...

Meet the MSRC at Black Hat 2019

We’re getting close to Black Hat, and we hope to see you there. Here’s where you can find members of the Microsoft Security Response Center if you’d like to say hello, ask a question about a report you made, discuss a recent blog article, or just show us pictures of your dog...

2019 年 4 月のセキュリティ更新プログラム (月例)

2019 年 4 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...

2019 年 2 月のセキュリティ更新プログラム (月例)

2019 年 2 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...

Microsoft’s Cyber Defense Operations Center shares best practices

Today, a single breach, physical or virtual, can cause millions of dollars of damage to an organization and potentially billions in financial losses to the global economy. Each week seems to bring a new disclosure of a cybersecurity breach somewhere in the world. As we look at the current state o...

November 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...

[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...

2018 年 10 月のセキュリティ更新プログラム (月例)

2018 年 10 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...

[セキュリティ基本対策 5 か条] 第 2 条 アクション センターで PC のセキュリティやメンテナンス状況に問題がないかを確認する

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 2 条「アクシ...

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...

Announcing the BlueHat v18 Schedule

Where did the summer go? This year the BlueHat Security Conference moved forward in the schedule to late September. Next year it will settle into a steady orbit of early October moving forward. With that change in schedule, it is hard to believe that it is time to reveal the schedule for BlueHat...

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...