Thomas Orsini

Assessed SIEM detection use cases against a baseline and MITRE ATT&CK; identified coverage gaps and prioritized remediation. Coordinated a Purple Team campaign and defined six incident response automation projects.

Assessed SIEM detection use cases against a baseline and MITRE ATT&CK; identified coverage gaps and prioritized remediation. Coordinated a Purple Team campaign and defined six incident response automation projects.

Analyzed ransomware isolation scripts and coordinated SOC, network and crisis management teams. Organized two international tabletop crisis exercises and built two impact dashboards for the Fast Isolation process.

Analyzed ransomware isolation scripts and coordinated SOC, network and crisis management teams. Organized two international tabletop crisis exercises and built two impact dashboards for the Fast Isolation process.

Built three MVPs to automate incident handling, data protection controls and security tracking across projects.

Triaged alerts, performed first-level investigations and enriched IOCs across phishing, fraud, vulnerability and suspected compromise cases.

Certified in Cybersecurity (CC) by ISC2, achieved in 2026.

Engineering degree in Digital Security and Networks from ISEP, completed in 2024.

Participated in a cybersecurity exchange program at Shibaura Institute of Technology in Tokyo.