April 2021 Update Tuesday packages now available

Posted on Tuesday April 13, 2021  |  MSRC alerts

Today is Update Tuesday – our commitment to provide a predictable monthly schedule to release updates and provide the latest protection to our customers. Update Tuesday is a monthly cycle when Microsoft releases patches for vulnerabilities that we have found proactively or that have been disclosed to us through our security partnerships under a coordinated...

 

Introducing Bounty Awards for Teams Desktop Client Security Research

Posted on Wednesday March 24, 2021  |  MSRC alerts

Partnering with the security research community is an important part of Microsoft’s holistic approach to defending against security threats. As much of the world has shifted to working from home in the last year, Microsoft Teams has enabled people to stay connected, organized, and collaborate remotely. Microsoft and security researchers across the planet continue to...

 

Guidance for responders: Investigating and remediating on-premises Exchange Server vulnerabilities

Posted on Tuesday March 16, 2021  |  MSRC alerts

This guidance will help customers address threats taking advantage of the recently disclosed Microsoft Exchange Server on-premises vulnerabilities CVE-2021-26855, CVE-2021-26858, CVE-2021-26857, and CVE-2021-27065. Microsoft will continue to monitor these threats and provide updated tools and investigation guidance to help organizations defend against, identify, and remediate associated attacks.

 

One-Click Microsoft Exchange On-Premises Mitigation Tool – March 2021

Posted on Monday March 15, 2021  |  MSRC alerts

We have been actively working with customers through our customer support teams, third-party hosters, and partner network to help them secure their environments and respond to associated threats from the recent Exchange Server on-premises attacks. Based on these engagements we realized that there was a need for a simple, easy to use, automated solution that…

 

Microsoft Exchange Server Vulnerabilities Mitigations – updated March 6, 2021

Posted on Friday March 05, 2021  |  MSRC alerts

Microsoft previously blogged our strong recommendation that customers upgrade their on-premises Exchange environments to the latest supported version. For customers that are not able to quickly apply updates, we are providing the following alternative mitigation techniques to help Microsoft Exchange customers who need more time to patch their deployments and are willing to make risk...

 

Microsoft Exchange Server Vulnerabilities Mitigations – March 2021

Posted on Friday March 05, 2021  |  MSRC alerts

Microsoft previously blogged our strong recommendation that customers upgrade their on-premises Exchange environments to the latest supported version. For customers that are not able to quickly apply updates, we are providing the following alternative mitigation techniques to help Microsoft Exchange customers who need more time to patch their deployments and are willing to make risk...

 

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