John A.

John A. is a security operations professional currently serving as a Staff Security Operations member at Ledger. With previous roles as a SOC L3 Lead Analyst at ENGIE IT and a SOC L3 Analyst at ANSSI, John has developed a deep expertise in cloud services, OS internals, and offensive security. John earned a Diplôme d'Ingénieur at Télécom SudParis, where they focused on system and networking management. Passionate about cybersecurity, John actively engages in advanced detection scenarios and incident investigations, drawing from a background that includes internships and consultancy in various technical areas.