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Trouble with Microsoft Office 365 Apps has disappeared – Trouble with ASR

Leave a Comment / 13. January 2023

Today many organizations got faced with the issue that they have lost all access to their Microsoft apps, such as outlook/excel/word from their Windows machines. This is a bug caused by the latest signature updates from Microsoft (It comes with defender version 1.381.2140) and will impact machines that have ASR (Attack Surface Reduction Rules) that are […]

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Auditing Windows File Servers with Azure Sentinel / Log Analytics

Leave a Comment / 5. January 2023

A colleague of mine asked if he could use Azure Sentinel / Log Analytics to audit the usage of a Windows File server, hence this blog post saw the light of day. In migration projects, you might need to see, who is actually using the file server??? Before you start migrating data or deleting data

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New book – Windows Ransomware Protection and Detection

Leave a Comment / 30. December 2022

For the last year or so I’ve been working on a new book project. Given the last few years, I’ve been working a lot with customers that have been impacted by ransomware or wanted to implement more countermeasures. Therefore, last year I pitched my idea to Packt Publishing about my book idea and they were

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Azure Resource Manager Rate limiting and a hint of DDOS?

Leave a Comment / 21. December 2022

Ever gotten this error message when trying to update a resource in Azure? We recently encountered this in one environment where we had multiple virtual machines within a single subscription, and we couldn’t perform any operations on the VMs. Within Azure, there are different limits within a subscription on how many API calls you can

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OpenAI – Use cases and Automation

Leave a Comment / 8. December 2022

A Couple of days ago, the people at OpenAI released ChatGPT which is an AI-based system optimized for dialogue. The service is available for free preview here –> ChatGPT (openai.com) The service itself uses large language models trained by OpenAI and uses deep learning to generate natural language text based on the input. The service has support for

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DevSecOps and Securing the Developer Experience

Leave a Comment / 24. November 2022

For the last decade, I’ve worked a lot with building virtual apps and desktops from a lot of different providers, going from Citrix, VMware, Microsoft, and even old 2X and Dell vWorkspace even… The focus was always providing in most cases a centralized secure workspace for end-users, which needed to access their applications whether it be

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Azure Deployment Environments – Self-service Azure

Leave a Comment / 21. November 2022

One of the things that we have been trying to solve repeatedly is a way to provide self-service mechanisms for developers when it comes to building public cloud services. Where we want to provide developers with a predefined service catalog that contains different packaged services or even a full environment that they can order on-demand.

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Tessell – A new way to provide DBaaS in Public Cloud

Leave a Comment / 1. November 2022

One of the compelling reasons of using PaaS services in the Public Cloud, is the ease of management- and lowering the complexity of use. Such as with the use of Database Services, where you no longer need to manage a complex cluster of machines that are responsible for running one of the most heavy workloads –

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Security Vulnerability in OpenSSL CVE-2022-3602 (RCE) and CVE-2022-3786 (DOS)

Leave a Comment / 1. November 2022

Earlier today a new Security Vulnerability was disclosed in the popular OpenSSL (libssl) Library (affecting products using OpenSSL 3.0.0-3.0.6.) which affects most software companies in the world. The OpenSSL team released an updated version of the library today 3.0.7. OpenSSL CVE-2022-3602 (RCE) and CVE-2022-3786 (DOS) published earlier today and was fixed in the release 3.0.7 NOTE:

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Microsoft Premium V2 SSD – CSI v2 and AKS PVC Resizing

Leave a Comment / 31. October 2022

Microsoft has recently released Premium SSD P2 Disk. This new feature is highlighting a change in the underlying architecture of the storage service in Azure. Before this v2 release, the performance of a disk was always associated with the size of the disk. With the v2 release, there are numerous improvements to the disk service.

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