MSRC

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 and privacy guarantees provided by state-of-the-art …

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Awareness and guidance related to OpenSSL 3.0 – 3.0.6 risk (CVE-2022-3786 and CVE-2202-3602)

Summary   Microsoft is aware and actively addressing the impact associated with the recent OpenSSL vulnerabilities announced on October 25th 2022, fixed in version 3.0.7. As part of our standard processes, we are rolling out fixes for impacted services.  Any customer action that is required will be highlighted in this blog and our associated Security Update …

Awareness and guidance related to OpenSSL 3.0 – 3.0.6 risk (CVE-2022-3786 and CVE-2202-3602) Read More »

Microsoft Mitigates Vulnerability in Jupyter Notebooks for Azure Cosmos DB

Summary Microsoft recently fixed an authentication bypass vulnerability in Jupyter Notebooks for Azure Cosmos DB (currently in preview) reported by Orca Security.  Customers not using Jupyter Notebooks (99.8% of Azure Cosmos DB customers do NOT use Jupyter notebooks) were not susceptible to this vulnerability. The bug was introduced on August 12th and fully patched worldwide …

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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 problem, but at its core, …

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Congratulations to the Top MSRC 2022 Q3 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 Q3 Security Researcher Leaderboard are: Zhiyi Zhang, Yuki Chen, and Dang The Tuyen! Check out the full list of researchers …

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Investigation Regarding Misconfigured Microsoft Storage Location

October 28, 2022 update:Added a Customer FAQ section. Summary  Security researchers at SOCRadar informed Microsoft on September 24, 2022, of a misconfigured Microsoft endpoint. This misconfiguration resulted in the potential for unauthenticated access to some business transaction data corresponding to interactions between Microsoft and prospective customers, such as the planning or potential implementation and provisioning …

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Awareness and guidance related to potential Service Fabric Explorer (SFX) v1 web client risk

Summary Microsoft was recently made aware of a Cross-Site Scripting (XSS) vulnerability (CVE-2022-35829), that under limited circumstances, affects older versions of Service Fabric Explorer (SFX). The current default SFX web client (SFXv2) is not vulnerable to this attack. However, customers can manually switch from the default web client (SFXv2) to an older vulnerable SFX web …

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Hunting for Cobalt Strike: Mining and plotting for fun and profit

Introduction Cobalt Strike is a commercial Command and Control framework built by Helpsystems. You can find out more about Cobalt Strike on the MITRE ATT&CK page. But it can also be used by real adversaries. In this post we describe how to use RiskIQ and other Microsoft technologies to see if you have Cobalt Strike …

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BlueHat 2023 Call for Papers is Now Open!

For nearly 20 years, BlueHat has been where the security research community, and Microsoft security professionals come together as peers, to share, debate, challenge, learn, and exchange ideas in the interest of creating a safer and more secure world for all. We are extremely excited to announce that BlueHat is back in-person and the 2023 …

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Improvements in Security Update Notifications Delivery – And a New Delivery Method

At MSRC, we are passionate about ensuring our customers have a positive experience when they use the Microsoft Security Update Guide (SUG). A big part of improving that experience is ensuring that customers have timely and easily accessible notifications. As such we have two important announcements to share about changes to the way we provide notifications. …

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