Blog
reiderer is, above all, a log. Here I post what I learn, what I build and what I think about systems and security.
Automating the repetitive stuff: my PowerShell module for Microsoft 365
I got tired of onboarding and offboarding users by hand during a Microsoft 365 migration, so I built a PowerShell module. Here is what I learned along the way.
Blue TeamCase study: building a SOC with Microsoft Sentinel
A Microsoft Sentinel lab in Azure from end to end: identity threat detection with KQL, MITRE ATT&CK mapping and automated response with Logic Apps.
SecurityQubesOS: is it really the most secure operating system?
What makes QubesOS different, why Snowden uses it, and what "the most secure OS" really means.
SystemsFrom VirtualBox to Proxmox: what they don't teach you in school
In class I virtualized with VirtualBox and VMware. Out in the real world I found Proxmox everywhere. Here is what I learned about the difference.
ReflectionOne year in cybersecurity: telling signal from noise
A year ago I didn’t know what a SIEM was. A look back at the road and the lesson I value most.