Cyber Security Analyst (L1) at Sphynx

Live security monitoring, alert triage, log analysis, incident investigation, escalation, and ticket handling as part of 24/7 security operations. Developed and maintained SOC Playbooks & SOPs aligned with MITRE ATT&CK, improving consistency and response time during security incidents. Translated technical security capabilities into stakeholder-friendly documentation, including all Company’s solutions for different use cases.

Cyber Security Analyst / Junior Penetration Tester at Hellenic Army – Cyber Defense Department

Supported a military cyber defense unit with responsibilities including security event monitoring, incident investigation, and email forensics and defensive cyber operations within a highly regulated environment. Investigated phishing emails, documented findings, and supported defensive awareness. Conducted web application penetration testing periodically in collaboration with more experienced Red Team members. Enforced endpoint and data-handling security policies, including USB usage restrictions, controlled file transfer procedures with formal authorization, and adherence to endpoint protection controls to reduce insider risk and unauthorized data movement.

Cyber Security Research Intern at SnT – University of Luxembourg

Contributed to applied cyber security research by analyzing dark patterns, enhancing MISP threat intelligence implementation, and delivering technical documentation and presentations to improve threat data usability and team awareness. Joined an applied cyber security research focus on Dark Pattern analysis and threat intelligence workflows. Improved MISP implementation, documentation, and usability. Delivered technical presentations and guidelines to multiple different research teams.