Technical field notes

Analysis made
useful.

Clear, practical observations from security and operations work—what happened, how to reason through it, and what teams can carry forward.

003

Microsoft 365 security · 9 min read

One Policy Change Can Break an Entire Microsoft 365 Environment

002

Email security · 9 min read

SPF, DKIM, and DMARC

001

Incident response · 8 min read

The Alert That Wasn’t