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Attack chain diagram

Analysis of a targeted attack exploiting the WinRar CVE-2018-20250 vulnerability

In early March, we discovered a cyberattack that used an exploit for CVE-2018-20250, an old WinRar vulnerability disclosed just several weeks prior, and targeted organizations in the satellite and communications industry. A complex attack chain incorporating multiple code execution techniques ... continue reading
New File Share Witness Feature in Windows Server 2019

New File Share Witness Feature in Windows Server 2019

First published on MSDN on Apr 16, 2018 One of the quorum models for Failover Clustering is the ability to use a file share as a witness resource. As a recap, the File Share Witness is designated a vote in ... continue reading
Scale-Out File Server Improvements in Windows Server 2019

Scale-Out File Server Improvements in Windows Server 2019

SMB Connections move on connect Scale-Out File Server (SOFS) relies on DNS round robin for inbound connections sent to cluster nodes. When using Storage Spaces on Windows Server 2016 and older, this behavior can be inefficient: if the connection is ... continue reading
cliusr-1.png

So what exactly is the CLIUSR account

From time to time, people stumble across the local user account called CLIUSR and wonder what it is, while you really don’t need to worry about it; we will cover it for the curious in this blog. The CLIUSR account ... continue reading
Vagrant and Hyper-V -- Tips and Tricks

Vagrant and Hyper-V — Tips and Tricks

First published on TECHNET on Jul 06, 2017 Learning to Use Vagrant on Windows 10 A few months ago, I went to DockerCon as a Microsoft representative. While I was there, I had the chance to ask developers about their ... continue reading
Windows Server 2016/2019 Cluster Resource / Resource Types

Windows Server 2016/2019 Cluster Resource / Resource Types

First published on MSDN on Jan 16, 2019 Over the years, we have been asked about what some of the Failover Cluster resources/resource types are and what they do. There are several resources that have been asked about on multiple ... continue reading
Container Storage Support with Cluster Shared Volumes (CSV), Storage Spaces Direct (S2D), SMB Global Mapping

Container Storage Support with Cluster Shared Volumes (CSV), Storage Spaces Direct (S2D), SMB Global Mapping

First published on MSDN on Aug 10, 2017 By Amitabh Tamhane Goals: This topic provides an overview of providing persistent storage for containers with data volumes backed by Cluster Shared Volumes (CSV), Storage Spaces Direct (S2D) and SMB Global Mapping ... continue reading

Container Storage Support with Cluster Shared Volumes (CSV), Storage Spaces Direct (S2D), SMB Global Mapping

First published on MSDN on Aug 10, 2017 By Amitabh Tamhane Goals: This topic provides an overview of providing persistent storage for containers with data volumes backed by Cluster Shared Volumes (CSV), Storage Spaces Direct (S2D) and SMB Global Mapping ... continue reading
MSIX - The MSIX Packaging Tool - Using the first package

MSIX – The MSIX Packaging Tool – Using the first package

First published on MSDN on Sep 11, 2018In our previous blog post we created our first MSIX package, now it's finally time to install the MSIX package, and launch the application! We will not go into the details of the ... continue reading