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Paul N.
@paulnnduati
Cybersecurity Consultant, CISSP, Cyber Risk Quantification
Kenya
English
About me
CISSP and CASP+ certified cybersecurity consultant. 6+ years securing enterprise infrastructure at Kenya Railways. Founder of RETACH Digital Ltd.
I deliver three services through the S.I.N.S. Framework for Digital Resilience:
- Cyber Risk Quantification: Expected Annual Loss, percentile loss bands, coverage adequacy. ISO 27005 and actuarial modelling.
- S.I.N.S. Security Assessment: four-pillar scored review with full CRQ output.
- Active Directory Audit: 47-check CISSP-signed board report.
Every deliverable is documented and built for boards, CFOs, and insurers.
docs.retach.io
Skills
Paul N.
Offline •
See my services
Programming & Tech
I will deliver a cyber risk quantification report with financial loss exposure
Programming & Tech
I will conduct a cybersecurity assessment and deliver a financial risk report
Work experience
Founder & Principal Consultant
Freelancing Career • Self-employed
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 • Full-time
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.
