Daniel Zegarowicz

Cyber Threat Intelligence Analyst | Ethical Hacker

Brussels, Brussels Region, Belgium

About

With a deep-ROOTed passion for computers, i decided to become an ethical hacker. Critical thinking, scepticism and pragmatic approach are values that truly describe me, and coffee - a lot of coffee. My cybersecurity roadmap: - Internal Auditor (✔️) - Junior Cybersecurity Analyst (✔️) - CompTIA Security+ (✔️) - Oracle Cloud Infrastructure Foundations Associate (✔️) - CompTIA Network+ (✔️) - EC-Council Certified Ethical Hacker CEH (✔️) - SANS GIAC Security Essentials (GSEC) (✔️) - Recorded Future Certified Analyst (✔️) - CompTIA CySA+ (✔️) - CompTIA Security Analytics Professional (✔️) - Advanced Cybersecurity for Industrial Control Systems (ICS300) (✔️) - SANS GIAC Cyber Threat Intelligence (GCTI) (✔️) - ICS Cybersecurity Evaluation (401) (X) - CISSP (X)

Experience

  • Centre for Cybersecurity Belgium (Hybrid)
    • Cyber Threat Intelligence Technical Lead
      Aug 2025 - Present · 11 mos

    • Cyber Threat Intelligence Analyst
      Jul 2024 - Aug 2025 · 1 yr 2 mos

  • Penetration Tester/Security Analyst at Connect 2 Office
    Jun 2022 - Jun 2024 · 2 yrs 1 mo

    Conducted security assessments, audits (CVSS, CVE) and penetration tests, which involved: reconnaissance, enumeration, wireless security evaluation, ethical malware creation, evasion techniques for IPS/IDS/firewalls, denial of service attacks, exploitation of physical security, cryptography attacks, lateral movement, web attacks including SQL injection. Applied frameworks: OWASP Top 10, MITRE ATT&CK & OSSTMM. Performed OS hardening and vulnerability management for Windows/Linux.

  • National Team Leader of Poland - Blue Team - Partners Run/Locked Shields at NATO
    Feb 2024 - May 2024 · 4 mos

    Represented Poland in international exercises carried out in cyberspace by NATO. Prepared strategy and carried-out coordination of: team tasks and active defense of IT systems; system administration; incident response with reporting; vulnerability assessment & management; OS hardening; TLP Amber/Red clause.

  • Junior End-to-End Software Developer at Self-employed
    Dec 2022 - Feb 2024 · 1 yr 3 mos

    I independently conceptualized, managed, and delivered two software projects, "OSFortify" and "CipherPurge". I employed agile and waterfall methodologies to adapt to requirements while adhering to cybersecurity standards. Using virtual machines, I designed, coded, tested, and debugged these software solutions. Maintained a roadmap, tracked progress, and set milestones. Comprehensive documentation of projects reside in dedicated GitHub repositories.

  • Computer Forensic Analyst at VS DATA
    Mar 2023 - May 2023 · 3 mos

    Analyzed physical and logical conditions of data carriers; created binary copies/memory dumps using FTK Imager and data blockers. Identified evidence and analyzed system logs; prepared process documentation and provided opinions. Ensured secure handling and preservation of digital evidence. Performed data decryption and recovery from damaged media.