Founder
Arthur Gatchou
Security Engineer & Technical Lead
Ottawa, ON, Canada
Security Engineer & Technical Lead with 8+ years of experience specializing in the Microsoft Security Stack, Cloud Architecture (AWS/Azure), and Identity Management. Proven track record in architecting Zero Trust environments, deploying enterprise SIEM/EDR solutions, and managing full-scale vulnerability remediation. Expert in aligning technical infrastructure with global frameworks (NIST, ISO 27001). Recognized community leader in cybersecurity awareness and technical instruction. Bilingual in English and French.
Experience
Security Engineering & Technical Lead
ZEBKA LLC · Jun 2022 – Present
- Cloud Security & IAM: Architected and deployed AWS cloud environments using SSO and managed Microsoft Entra ID to enforce Zero Trust principles and Least Privilege access.
- SIEM & Threat Detection: Engineered and optimized Microsoft Sentinel and Splunk environments for centralized log aggregation; developed custom detection rules to identify and mitigate sophisticated security breaches.
- Incident Response: Executed incident response actions within AWS and Azure, reducing threat response time by 40% through automation using PowerShell and Python scripts.
- Endpoint & Perimeter Defense: Managed the full deployment of Microsoft Defender and Cisco Umbrella, providing robust EDR and secure internet gateway filtering across the enterprise.
- Vulnerability & Lifecycle Management: Orchestrated comprehensive vulnerability scans using Nessus, prioritizing remediation within Jira and documenting security playbooks in Confluence.
- GRC & Regulatory Compliance: Audited project architectures against NIST, ISO 27001, HIPAA, and PCI-DSS frameworks to ensure data privacy and regulatory alignment.
- Technical Instruction: Translated complex engineering tasks into hands-on curricula, training users on the deployment and management of the Microsoft Security Stack and Cisco security solutions.
Cyber Security Consultant
Nehémie Institute & Consulting · Feb 2020 – Apr 2024
- Hybrid Infrastructure Consulting: Acted as lead technical consultant, architecting and deploying Cloud Security measures in AWS and Azure to bridge legacy on-premise systems and modern cloud environments.
- Perimeter & Network Security: Managed and configured enterprise Firewalls (Palo Alto, Cisco Meraki) and Web Application Firewalls (WAF) to secure client network boundaries.
- Endpoint Defense & AV Migration: Directed the transition from legacy Antivirus to modern EDR (SentinelOne, CrowdStrike) and Microsoft Defender, reducing malware infection rates by 60%.
- Incident Response Leadership: Led end-to-end incident response lifecycle for client breaches; performed root cause analysis, containment, and post-incident remediation using Splunk and Digital Forensics workflows.
- Data Loss Prevention: Designed and executed tailored DLP strategies using Symantec DLP and Spirion, successfully mitigating unauthorized data exfiltration for high-sensitivity projects.
- Threat Mitigation: Deployed enterprise-grade email security solutions (Proofpoint, FireEye ETP), reducing phishing-related incursions by 50%.
- On-Premise Security & Patching: Hardened internal on-premise infrastructure using Tanium, achieving 95% compliance rate for patch management and vulnerability remediation.
- Vulnerability Assessments: Conducted recurring on-site audits using Qualys, identifying critical gaps and providing prioritized remediation roadmaps.
Lead IT Engineer
NcobNkun Cameroon · Dec 2017 – Feb 2020
- Infrastructure Founding & Design: Spearheaded the end-to-end design and implementation of IT and network infrastructures, moving the startup from initial concept to a fully functional service provider.
- Security & System Deployment: Directed the "One Student, One Laptop" initiative, configuring and securing hardware for hundreds of users while establishing secure baseline configurations and local network defenses.
- Service Desk Engineering: Built and managed the company's internal and client-facing service desk, implementing Splunk for log monitoring and system health analytics, improving breach detection capabilities by 25%.
- Enterprise Security Solutions: Deployed and managed CASB and WAF solutions for clients to secure cloud-bound traffic and web applications, reducing data loss incidents by 40%.
- Technical Leadership: Trained and mentored junior staff and students on IT security best practices, hardware maintenance, and secure networking protocols, fostering a culture of security awareness.
Certifications
- CISSP · 2026 Verify
- CompTIA Security+ · 2021 Verify
- CISCO CyberOps Associate · 2022 Verify
- NDG Linux Essentials · 2020 Verify
- AZ-500: Azure Security Engineer Associate · In Progress Verify
Talks and workshops
- Data Privacy in the Digital Age
Intelligentsia Corporation · 2024 - Securing Smartphones in Practice: Apps, Messaging & Account Takeovers
Han-Tak Webinar · January 31, 2026 - Personal Digital Hygiene: Everyday Habits That Keep Your Digital Life Safe
Han-Tak Webinar · February 28, 2026 - Phishing & Social Engineering: How Attackers Manipulate Trust
Han-Tak Webinar · March 28, 2026 - Online Scams in Canada: How Criminals Trick Even Careful People
Han-Tak Webinar · April 25, 2026 - Protecting Children & Teens Online
Han-Tak Webinar · June 27, 2026 - Your Data Online: Who Collects It, Who Uses It, and Why It Matters (PIPEDA Made Simple)
Han-Tak Webinar · August 29, 2026
Education
- Business Communications for Microsoft Specialists
Sheridan College, Canada · 2024 - Bachelor's in Computer Science
University of Yaoundé 1 · 2018