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alexojocyber/README.md

Hi, I'm Alex Ojo

Cybersecurity Student | Google & IBM Certified | Aspiring SOC Analyst

Building hands-on experience in security monitoring, Linux security, Bash scripting, and SIEM investigations.
Passionate about learning, problem-solving, and building real-world cybersecurity projects.

Skills

  • Security: Threat detection, SIEM fundamentals, Incident Response basics
  • Tools: Wireshark, Nmap, Linux CLI, Metasploit (beginner)
  • Scripting: Bash, Python (beginner)
  • Networking: TCP/IP, Ports, Protocols, Firewalls
  • Systems: Kali Linux, Ubuntu, Windows
  • Other: Documentation, Reporting, Power BI

Featured Projects

PAM Account Lockout Implementation — Ubuntu (NEW)

Configured account lockout protection using PAM faillock to defend against brute-force attacks.
Tested failed login attempts, triggered lockout policies, and recovered system access after accidental lockout.
Skills: Linux Security, PAM Configuration, Authentication Security, Incident Recovery

System Health Checker — Bash Script

Automation script that outputs system uptime, CPU/memory usage, disk space, logged-in users, and active processes.
Skills: Bash, Linux Monitoring, Automation

Network Traffic Analysis — Wireshark

Analyzed PCAP files to identify anomalies, suspicious traffic, and common attack patterns.
Skills: Packet Analysis, Network Security, Protocol Inspection

Linux Server Hardening (Home Lab)

Configured user accounts, permissions, updates, and basic security controls.
Skills: Linux Security, File Permissions, Hardening Practices

SIEM Investigation Lab (Mock Alerts)

Used sample logs and SQL queries to investigate potential security alerts.
Skills: Log Analysis, SIEM Concepts, Security Documentation

Certifications

  • Google Cybersecurity Professional Certificate — 2025
  • IBM Cybersecurity Fundamentals — 2025

Repositories You Can Explore

Project Description
Enterprise-SIEM-Lab Ubuntu-based SIEM lab with PAM lockout and brute-force simulation
System-Health-Checker-Bash Bash automation script for Linux system monitoring
Linux-Security-Projects Hands-on Linux hardening and security configurations
Wireshark-Network-Analysis Packet captures + analysis reports
SIEM-Investigation-Labs Mock SIEM alerts + security investigation practice
Cybersecurity-Portfolio Reports, documentation, and cybersecurity learning projects

Contact

📧 ojoo.alexxx@gmail.com
🔗 LinkedIn: linkedin.com/in/alex-o-ojo-ab9252185

Keep checking back- I update this portfolio as i learn more!

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  1. Enterprise-SIEM-Lab Enterprise-SIEM-Lab Public

    Building an Enterprise SIEM lab using Ubuntu to simulate security controls, system hardening, and authentication security.

    1

  2. alexojocyber alexojocyber Public

    Cybersecurity student building hands-on projects in SIEM, Linux, Bash scripting, network analysis, and incident detection.

    2

  3. SIEM-Investigation-Lab SIEM-Investigation-Lab Public

    Hands-on Security Operations (SOC) investigations using SIEM tools. Includes incident triage, log analysis, alert validation, MITRE ATT&CK mapping, IOC hunting, and real-world cyber incident reports.

    2

  4. Linux-Security-Projects Linux-Security-Projects Public

    Hands-on Linux security tasks, hardening steps, and command-line practice from my cybersecurity home lab.

    1

  5. Realtime-Failed-Login-Monitor Realtime-Failed-Login-Monitor Public

    Real-time Bash script that detects failed login attempts by monitoring system authentication logs. Useful for learning Linux security and log analysis.

    1

  6. Wireshark-Network-Analysis Wireshark-Network-Analysis Public

    Packet analysis and network investigation using Wireshark, including PCAP files, findings, and security observations.

    1