Mark Ciira Munyiri
Cyber Security Analyst · Trainer · Developer
Nairobi, Kenya
Summary
Cyber security analyst protecting a 2,000+ endpoint banking environment. Resolves 15+ incidents a month, with 98% closed within SLA, and raised patch compliance from 60% to 85%. Hands-on with Kaspersky EDR from alert triage to root cause and recovery, documented for audit under ISO 27001, PCI-DSS and the Kenya Data Protection Act. Also leads a cybersecurity training programme, currently teaching its first cohort of 25 learners, and builds software in Python, Django and Next.js.
Experience
Cyber Security Analyst – Security Operations
May 2025 — PresentAriel Technology Limited · Nairobi
- Resolve 15+ security incidents a month end to end (triage, containment, root-cause analysis and recovery), with 98% closed within SLA
- Raised patch compliance from 60% to 85% by prioritising gaps and coordinating fixes with IT teams
- Track vulnerabilities across 2,000+ endpoints and servers through to closure
- Administer Kaspersky Security Center: agent connectivity, protection status and routine health checks
- Configure and troubleshoot Kaspersky Application Control on production servers without weakening protection
- Manage endpoint firewall rules and produced formal firewall rule documentation
- Troubleshot installation conflicts between CrowdStrike Falcon and Kaspersky's kernel driver and self-defence module
- Audit access-control settings to find inappropriate privileges and segregation-of-duties gaps, and drive fixes with system owners
- Keep audit-ready incident and compliance records supporting ISO 27001, PCI-DSS and the Kenya Data Protection Act
- Prepare security reports and incident summaries for management, explaining risk and progress to technical and non-technical readers
- Delivered security awareness sessions to 50+ staff across departments
Lead Cybersecurity Trainer
April 2026 — PresentCyberBridge Programme
- Design and deliver an 18-week, 160-hour Junior Cybersecurity Specialist curriculum covering networking, systems, cryptography, SOC operations and governance
- Teaching the first cohort of 25 learners, including people from disadvantaged backgrounds
- Building a capstone Capture-the-Flag on TryHackMe (5 categories, 16 challenges, 3,600 points), with Linux VM provisioning scripts for each challenge machine
- Authored an Ethics, Law and Governance module covering Kenya's Data Protection Act, the Computer Misuse and Cybercrimes Act and AI governance
IT Support Intern
January 2025 — May 2025Ariel Technology Limited · Nairobi
- Ran endpoint security checks and vulnerability assessments across network devices, finding misconfigurations and patch gaps
- Supported incident investigations with log analysis, evidence preservation and compliance documentation
- Helped enforce secure configurations and IT security policies across endpoints and network infrastructure
- Led a digital invoicing transition that cut processing errors by 25% and improved data accuracy by 15%
Education
BSc Telecommunication and Information Technology
Expected December 2026Kenyatta University, Nairobi
Certifications
ISC2 Certified in Cybersecurity (CC)
ISC2
Cisco Ethical Hacker
CyberShujaa · 2025 cohort
Fortinet NSE 1 and NSE 2 Certified in Cybersecurity
Fortinet
CompTIA Security+
CompTIA
Microsoft SC-900
Microsoft
Hands-on labs on TryHackMe: SIEM (Splunk), Firewall Fundamentals and Penetration Testing.