🛡️ Security Operations Engineer | Incident Responder | Threat Hunter

🎓 Security of Computer Systems & Networks Engineering Degree | Network Security Bachelor Degree

🔵 Blue Team Specialist focused on Detection Engineering, SOC Operations & Infrastructure Security Hardening

🔥 Ranked TOP #10 on TryHackMe Tunisia Leader board (All-Time 2024) — TryHackMe Profile

Cybersecurity & Infrastructure Security Engineer passionate about building resilient, attack-ready, and automated enterprise environments.

I specialize in:

• 🛡️ Security Operations & Detection Engineering
• ⚡ Incident Response & Threat Hunting
• 🧠 Digital Forensics & Malware Analysis
• 🔐 Linux Infrastructure Hardening & Patch Automation
• ☁️ Secure Containerized & Air-Gapped Architectures
• 📡 Network Security Engineering & Traffic Analysis
• 🤖 Security Automation, SOAR & SIEM Engineering

Currently working on large-scale infrastructure security projects involving:

• Enterprise Linux patch orchestration with Ansible OS specific Roles.
• SentinelOne EDR deployment & ISO27001 compliance operations.
• Air-gapped container platforms Integration such as Harbor, Portainer, Cosign, Trivy Scanner (Aqua-DB)..
• Light-LDAP/LDAPS Authentication Architectures
• Detection engineering with Wazuh, Splunk, ELK Stack, LimaCharlie and more..
• SOC automation using TheHive, Cortex, MISP & Ansible playbooks and roles, n8n workflows and more..

I enjoy combining the mindset of an attacker with the discipline of a defender to engineer secure-by-design systems.

• 🕵️ INE Certified Digital Forensics Professional (eCDFP) — Credential
• 🎯 INE Certified Threat Hunting Professional (eCTHP) — Credential
• 🚨 INE Certified Incident Responder (eCIR) — Credential
• 🛡️ INE Security Operations Certified (eSOC) — Credential
• 🧱 INE Certified Enterprise Defender (eEDA) — Credential
• 👾 INE eLearnSecurity Junior Penetration Tester (eJPTv2) — Credential
• 💣 CyberWarFare Certified Red Team Analyst (CRTA) — Credential
• ☢️ TryHackMe Junior Penetration Tester (PT1) — Credential
• 🔴 Red Hat Certified Engineer (RHCE) — Credential
• 🔒 Red Hat Certified System Administrator (RHCSA) — Credential
• ☁️ Microsoft Certified: Azure AI Fundamentals (AI-900) — Credential
• 🌐 15x Cisco Certifications — Credly Profile
• 🔭 IBM Cybersecurity Analyst Professional Certificate — Credential

Designed and deployed an enterprise-grade SOC platform integrating:

• Wazuh SIEM
• Suricata NIDS
• FortiGate NGFW
• TheHive + Cortex + MISP
• CheckMK Monitoring
• OpenAudit CMDB
• Ansible Patch Automation
• n8n SOAR Workflows
• GPT-assisted IOC enrichment pipelines

🔍 Simulated full attack lifecycle detection, enrichment, correlation & automated response workflows inside a Proxmox VE environment.

Engineered custom detection logic targeting Sliver C2 implants using:

• LimaCharlie Detection Rules
• YARA Signatures
• Windows Process Telemetry
• Behavioral IOC Correlation

⚡ Achieved sub-60-second detection timing in controlled lab environments.

Wazuh Splunk ELK Stack TheHive Cortex MISP SentinelOne

FortiGate pfSense Suricata Zeek Snort Wireshark

Autopsy Volatility FTK YARA Sysmon LimaCharlie

Ansible Docker Podman Linux Bash Python PowerShell

AWS GCP Harbor Cosign Trivy GitHub Actions

• Detection Engineering
• Threat Hunting
• Linux Infrastructure Security
• SOC Automation
• Secure Enterprise Architecture
• Air-Gapped Security Engineering
• DFIR & Malware Analysis

• 💼 LinkedIn: https://www.linkedin.com/in/yassine-s
• 🌐 Portfolio: https://yassinesahli.vercel.app/
• 🎯 TryHackMe: https://tryhackme.com/p/KaiiZen
• 📧 Email: yassine1sehli@gmail.com

“Always engineering. Always improving. Always securing.”