Mohamed Osman
Securing, operating, and hardening production Linux infrastructures, containerized workloads, Wazuh SIEM, Suricata NIDS, and enterprise network security.
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🛡️ About Me
Infrastructure Hardening, Threat Detection, and Systems Architecture in Tunis.
Core Professional Profile
System Administrator and Cybersecurity Specialist with over 7 years of experience securing, operating, and hardening Linux-based production infrastructures, with a primary focus on security and performance.
I design and maintain containerized workloads using Docker, enforce strict network controls with UFW, Duplicity, and CSF, and implement intrusion prevention mechanisms through Fail2Ban.
Key Methodologies
- ✓ Wazuh SIEM + Suricata NIDS: Real-time threat detection, rule optimization, and signal-to-noise improvement.
- ✓ Zero-Data-Loss Backups: Disciplined rsync + cron and Duplicity pipelines across multi-server environments.
- ✓ E-Commerce Hardening: CS-Cart server configuration, PHP/MySQL tuning, and TLS certificate governance.
💼 Professional Experience
Career history in Linux administration, cybersecurity, and project management.
🎓 Education & Academic Background
Degrees in Business English, Management, and Information Systems.
📜 Certifications & Credentials
Verified certifications in Linux administration, ethical hacking, and web technologies.
⚡ Technology & Security Stack
Tools, platforms, and security frameworks utilized daily.
📬 Get In Touch
Send a direct message or connect for infrastructure consultation.