Linux Security Log Investigation Project

Objective

To analyze Linux authentication logs and identify malicious login attempts and privilege escalation activity.

Tools Used

• Linux (Ubuntu)
• grep, awk, tail
• journalctl

Key Findings

• Detected multiple failed SSH login attempts
• Identified attacker IP addresses
• Analyzed targeted usernames
• Observed failed privilege escalation attempts

Skills Demonstrated

• Linux log analysis
• Security investigation
• Incident detection
• SOC analyst fundamentals