How SAML 2.0 works
SAML 2.0 works similar like OAuth 2.0 with OpenID Connect (OIDC) on top as described in my following post. SAML…
How OAuth 2.0 and OpenID Connect works
OAuth which stands for Open Authorization is the de facto industry standard for online authorization. By using OAuth you can…
Using Google’s OAuth 2.0 API for an ASP.NET Core Web App
In this post I want to show how you can enable users to sign-in into a web app by using…
Microsoft SQL Server – FCB::Open failed: Could not open file mastlog.ldf for file number 2. OS error: 5(Access is denied.)
In case you couldn’t start your SQL Server Instance and getting the following error message in your windows application logs,…
PetitPotam NTLM Relay Attack – Mitigating NTLM Relay Attacks on Active Directory Certificate Services (AD CS)
On actual occasion, I want to share some information about the newly uncovered security flaw in Windows operating systems named…
Set up a lean Branch Office Network without any Servers and DCs inside by using an IPSec S2S VPN Tunnel connected with the Headquarters Network
If you want to set up a network in a branch office and don’t want to deploy any servers inside…
Microsoft 365 Groups vs. Microsoft Teams Team
Microsoft 365 Groups (formerly known as Office 365 Groups) are used by Microsoft 365 for collaboration between users, both inside…
Microsoft Bookings
In this post I have carried together the main points you should know to start easily with Microsoft Bookings. Microsoft…
Task Scheduler Task returns 0x1 for Batch File
In case you run a batch script by using a scheduled task in windows and the script itself returns an…
Appendix – Azure AD Connect Sync Errors Detected – Large Attribute – Extension thumbnailPhoto
First I want to mention and warn that this post will not show how to resolve the issue with the…
