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Marcus-ITHS/README.md

Marcus Österlind

IT Security Specialist Student | Gothenburg

Currently studying IT Security Specialist (IT-Säkerhetsspecialist) at the IT-College (IT-Högskolan), in Gothenburg (graduating in 2027). Translating 10 years of experience in high-stress crisis management (Prison & Probation Service) & structured support work in autism care (LSS) into a methodical & reliable approach to cybersecurity operations through my curiosity.

Available for internships (Lärande i Arbete / LIA):

  • LIA 1: Autumn 2026 (v.38 – v.45)
  • LIA 2 (including Degree Project): Spring 2027 (v.7 – v.23)

🏗️ My Own Home "Grand Lab" Infrastructure

A practical home lab environment built to simulate real-world attack scenarios & analyze network traffic securely.

Virtualization & IaC

  • Hypervisor: VMware workstation hosting multiple segmented subnets.
  • Automation: Managed via Terraform & Ansible for repeatable deployments of analysis targets & security tools.
  • Architecture: Utilizes Bastion hosts & network isolation to ensure secure malware analysis.

Traffic Analysis & Monitoring

  • Network Monitoring: Physical switch configured with Port-Mirroring (SPAN) to capture & mirror home-router traffic.
  • Analysis: Real-time & offline packet analysis utilizing Wireshark.
  • Threat Detection: Security Onion deployed for log ingestion & alert management.
  • IoT Assessment: Evaluation of protocol security across Zigbee, Thread, Matter, & Z-Wave environments.

🎯 Education & Certifications

  • 🎓 Academics: IT-Säkerhetsspecialist, IT-Högskolan (2025 – 2027).
    • Core Coursework: Operating Systems (Linux/Windows), Networking & Network Security, Python Programming, Virtualization & Cloud Infrastructure, Cryptography, Malware Analysis, Business intelligence, Incident Response, & Traceability.
  • 🛡️ HackTheBox: Completed SOC Analyst & Junior Cybersecurity Analyst paths.
  • ☁️ Azure: Studying for Microsoft Azure Fundamentals (AZ-900).
  • 🚀 Future Focus: Preparing for CBBH, CPTS, & CDSA certifications.

📫 Let's Connect

“Understanding the mechanics of an attack is the first step in building a resilient defense.”

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  1. Marcus-ITHS Marcus-ITHS Public

    My Personal GitHub Profile & Cybersecurity Portfolio.