Flavio Queiroz, MSc, CISSP, CISM, CRISC, CCISO

About

◽ Cybersecurity leader with 13 years of experience in governance, risk, and compliance (GRC); security operations; incident and crisis management; and threat intelligence, protecting business-critical IT and OT environments in the Brazilian public sector. ◽ Former Brazilian Navy Captain (NATO OF-5) and cyber warfare specialist with technical, operational, and leadership expertise gained through leading SOC/CSIRT and incident response operations, coordinating cyber crisis activities, and translating complex security issues into risk-informed decisions.◽ Monitored and assessed cyber threats targeting critical infrastructure and essential services across the energy, transportation, healthcare, financial services, and telecommunications sectors.◽ Experience leading cross-functional teams, mentoring talent, fostering trust-based environments, managing high-pressure situations, and briefing executive and board-level stakeholders on cyber risk. ◽ Academic background: • MSc in Computing • MBA in Cybersecurity • Postgraduate in Cyber Policy and Strategy • Postgraduate in Cyber Warfare • BSc in Naval Sciences, Brazilian Naval Academy◽ Multidisciplinary expertise and certifications across core cybersecurity areas:▫️ Leadership & Management • Executive Security Leadership (CCISO)• Information Security Management (CISSP, CISM)• Risk Management (CRISC)• ISO/IEC 27001:2022 Senior Lead Implementer (PECB)• Lead Operational Resilience Manager (PECB)▫️ Technical • Security Operations (GSOC, GDAT)• Security Architecture (GDSA)• Incident Handling & Response (GCIH)• Penetration Testing (GPEN, GCPN) • Red Team Operations & Adversary Emulation (GRTP)• Threat Intelligence (GCTI, CTIA)• Threat Modeling (CTMP)• Threat Hunting (eCTHP)• Malware Analysis (eCMAP)• OT/ICS Security (GICSP)◽ Authorized to work in Portugal without employer sponsorship. Ready for the next career step and open to senior cybersecurity roles.◽ Why me? I bring value to organizations and their teams by combining technical cybersecurity expertise, operational experience, and leadership shaped by mission-critical, high-pressure environments.