Server Operations

Security Baseliners

You practice least-privilege SSH, sudo policy drafting, and reading audit trails without drowning in noise. Tone stays operational, not fear-based.

Duration
6 weeks
Format
Remote-first cohort
Tuition reference
KRW 1,890,000

Lead mentor notes

Marisol Vega

Student success manager with a background in regulated infrastructure teams.

Visual for Security Baseliners

What is inside

  • SSH certificate sketch lab
  • sudoers readability clinic
  • auditd rule pairing exercise
  • File integrity snapshot comparisons
  • Secrets handling without pasting into tickets
  • Weekly threat-modeling sticky notes
  • Capstone: baseline diff for a fictional acquisition

Outcomes you can cite

  1. Produce a defensible SSH posture summary
  2. Draft sudo changes with rollback notes
  3. Filter audit noise down to actionable lines

Participant voices

“Baseline diff capstone convinced leadership we needed weekly drift checks.”
Tariq · Corporate IT lead · ★★★★★
“auditd week was loud. Instructors normalized taking breaks. Appreciated.”
Helena · Incheon

Straight FAQ

No offensive tooling. We focus on baselines, evidence, and handoffs.
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