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Labs / Rooms / Linux Event Logs

defensive-security · beginner

Linux Event Logs

Investigate fictional Linux authentication and system events while separating observations from conclusions.

beginner45 mins10 tasks100 XP

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What you will learn

Section 1 · 10 tasks

Linux Log Analysis

Analyze prerecorded events from fictional host lab-server-01 without reading a real system.

Learning objectives

What Is a Log?
Reading a Log Entry
Timestamps
Successful Authentication
Failed Authentication
Finding Repeated Failures
Identifying a Source
Correlating Events
Investigating an Authentication Alert
Final SOC-Style Log Investigation

Skills

logeventauthenticationauthorizationfailed-authenticationsuccessful-authenticationsource-ipevent-correlationlog-entrylog-levelaudit-logsshsshdsocioc

Prerequisites

No prerequisite room.

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