Security Logging & SIEM Foundations
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Learn how security teams turn everyday system activity into useful evidence.
Security Logging & SIEM Foundations is a free, beginner-friendly Obsidian mini-course for cybersecurity learners, IT professionals, and anyone interested in security operations.
You’ll learn how to:
- Understand what logs record and why context matters
- Safely inspect Linux system and service logs with journalctl
- Understand Windows Event Log concepts and common event categories
- Recognize the role of network, web, firewall, proxy, and application logs
- Learn how SIEM platforms collect, normalize, store, search, and correlate security data
- Distinguish an observation, alert, finding, and incident
- Build a simple baseline and triage suspicious activity responsibly
- Document an investigation without exposing sensitive information
What’s included:
- 9 guided lessons
- A Linux logging and SIEM quick-reference guide
- An Obsidian Canvas course map
- Safe evidence-handling and triage guidance
- Links to official NIST, Ubuntu, systemd, and Microsoft documentation
This course uses your own Ubuntu Server lab and fictional examples. It is educational and defensive in focus—no external scanning, exploitation, or testing of systems outside your authorization.
Download the ZIP, extract it, and open the folder as a vault in Obsidian. No previous SIEM experience required.
Free from Zero Trust Threads.