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Log Analysis Practice

Analyze real-world security logs and identify Indicators of Compromise (IOCs). Essential skill for Security+ Domain 4: Security Operations.

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Choose a Scenario

Log Analysis Tips for Security+

What to Look For:

  • • Timestamps: Rapid events, off-hours activity
  • • Source IPs: External IPs, known bad actors
  • • Failed attempts: Multiple failures = brute force
  • • Privilege changes: Unexpected sudo, admin access
  • • Unusual ports: Non-standard port usage

Common IOC Types:

  • • IP Addresses: Malicious source/destination IPs
  • • Domains: C2 servers, malware domains
  • • File Hashes: MD5, SHA256 of malicious files
  • • File Names: Suspicious executables, scripts
  • • Patterns: Beaconing, scanning, exfiltration