Christian Ritter

Blogs, Articles, and Posts

Automating Sign-In Analysis with PowerShell and Microsoft Graph (hcritter.devdojo.com)
In this article, we'll walk through how to explore and analyze Conditional Access data in Microsoft

Entra using the Developer Tools in your browser. The purpose of this walkthrough is to demonstrate how you can identify and extract the necessary Microsoft Graph API calls directly from the Entra portal, providing a foundation for automating this process with PowerShell.

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By: Christian Ritter submitted:Oct 25 2024

PowerShell Perfomance-Test: Get the Maximum (devdojo.com)
Efficiency is key when working with PowerShell, and maximizing performance is a common goal for

script developers. In this post, we'll explore various techniques for retrieving the maximum number from arrays of different sizes, comparing well-known approaches like Measure-Object, Sort-Object and a more mathematical method.

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By: Christian Ritter submitted:Dec 1 2023

PowerShell-Technique: $PSDefaultParameterValues (hcritter.devdojo.com)
In this post, we'll take a closer look at the benefits of using default parameter values in

PowerShell. As we previously explored in our discussion of splatting, setting default values for parameters in your commandlets or functions can make your scripts more efficient and easier to maintain.

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By: Christian Ritter submitted:Mar 31 2023

PowerShell-Technique: Randomizing (devdojo.com)
PowerShell-Technique: Randomizing
By: Christian Ritter submitted:Apr 7 2023

PowerShell-Technique: Trapping (devdojo.com)
Enhance Your PowerShell Scripting with Trapping
By: Christian Ritter submitted:Mar 31 2023

PowerShell-Technique: Update-TypeData (devdojo.com)
Enhancing PowerShell objects with Update-TypeData
By: Christian Ritter submitted:Mar 31 2023

Simplifying PowerShell Object Validation & Transforming: A JSON-Schema Refactoring Journey (devdojo.com)
In a recent scripting endeavor, I developed a PowerShell script with an

ArgumentTransformationAttribute. The script's purpose was to convert PSCustomObjects or Hashtables into a JSON format tailored for seamless integration with a BatchRequest destined for the Microsoft Graph API.

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By: Christian Ritter submitted:Jan 26 2024

Projects, Scripts, and Modules

Get-ConditionalAccessSignIn.ps1 (github.com)
The Get-ConditionalAccessSignIn function retrieves Conditional Access Sign-In logs from the

Microsoft Graph API within a specified date range.

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By: Christian Ritter submitted:Oct 25 2024

PowerShell-Script Showcase: Get-WifiPassword (hcritter.devdojo.com)
In this blog post, we will explore my Get-WifiPassword script that retrieves stored Wifi passwords

on Windows machines. The script overcomes the issue of localization that arises when parsing the output of the 'netsh.exe' command.

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By: Christian Ritter submitted:May 5 2023

PSMSGraphFunctions/Get-MSGraphEnterpriseApplicationPermission.ps1 (github.com)
Export permission scopes for Enterprise Apps in your tenant using oauth2PermissionGrants

(represented) and appRoleAssignments (within).

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By: Christian Ritter submitted:Oct 18 2024

Start-MultiJob (github.com)
Just released my latest script: Start-MultiJob! It executes multiple Scriptblocks concurrently,

effortlessly tracking their outputs while dynamically updating the same line with the latest information stream from each script block.

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By: Christian Ritter submitted:Jun 30 2023

Community

Simplifying Creation of Empty PowerShell PSCustomObjects using Custom Functions (hcritter.devdojo.com)
Creating an empty PSCustomObject in PowerShell is a common task, but the traditional approach can be

verbose and repetitive. In this blog post, I'll walk you through a more structured and efficient way to achieve this using functions and property definitions.

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By: Christian Ritter submitted:Aug 11 2023

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