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Cybersecurity Consultant, CISSP, Cyber Risk Quantification
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Founder & Principal Consultant
Freelancing Career • Autônomo
Oct 2025 - Present • 7 mos
Founder of RETACH Digital Ltd. S.I.N.S. Framework for Digital Resilience — cyber risk quantification, security assessment, and Active Directory audit. CISSP certified. retach.tech
Principal ICT Officer, Network & Security
Railway • Período integral
Nov 2019 - Present • 6 yrs 6 mos
Kenya Railways Corporation. Enterprise network architecture, identity and access management, endpoint security, perimeter defence, and incident response across national rail infrastructure. 6+ years securing mission-critical systems at scale.