How long does this certification take?

The programme takes 11 Week and can be completed self-paced or with live virtual sessions.

Is this certification globally recognised?

Yes. GLI certifications carry CPD credits and are internationally recognised.

What level is this certification?

This is a Advanced Level certification.

Email info@leadership.co.ke, WhatsApp +254 722 223 084, or fill in the enrolment form on this page.

What is included in the fee?

All study materials, study guide, examination, digital certificate and badge. Live option adds tutor sessions and priority support.

Certified Network Security and Firewall Expert (CNET3) | Online Certification

Q: What is the Certified Network Security and Firewall Expert?

The Certified Network Security and Firewall Expert is a globally recognised professional certification by the Global Leadership Institute (GLI), designed to equip professionals with advanced competencies in Information Technology.

Executive Summary

Certified Network Security and Firewall Expert

Designed for today’s high-impact professionals, the Certified Network Security and Firewall Expert (CNET3) delivers a rigorous Advanced-level curriculum that equips participants with the knowledge, tools and frameworks needed to excel in occupational safety, health and workplace wellbeing.

This 11 Week programme is structured around ISO 45001, OSHA and recognised occupational health and safety standards, ensuring every graduate applies internationally validated methods to real-world challenges.

GLI’s CNET3 holders are recognised by leading organisations across Africa, the Gulf, Europe and the Americas as qualified, results-driven professionals. Whether you are advancing your current career or transitioning into new responsibilities, this certification provides the competitive edge you need in 2026 and beyond.

Programme Overview

Certification at a Glance

Certification

Certified Network Security and Firewall Expert

Acronym

CNET3

Who Should Enrol?

Safety and Health Officers
HSE Managers and Supervisors
Site and Operations Safety Leads
Risk and Compliance Practitioners

Programme Inclusions

Everything Included in Your Enrolment

All study materials and study guide
Access to GLI online learning portal
Online examination and assessment
Digital certificate and digital badge
Physical certificate (shipped to you)
CPD credits for professional bodies
GLI alumni network membership
Facilitator and tutor support
Resource downloads and reference library
Automatic enrolment confirmation

Certification Benefits

Why This Certification Matters for Your Career

Career Advancement

Accelerate your career towards senior HSE and safety-leadership roles

Professional Recognition

Credential aligned with ISO 45001, OSHA and recognised occupational health and safety standards

Operational Excellence

Apply world-class frameworks to improve performance and outcomes

Strategic Thinking

Develop the analytical and strategic skills demanded at the executive level

Compliance Readiness

Master the standards, compliance and ethical governance central to occupational safety

Global Employability

Qualify for occupational safety roles across construction, energy, manufacturing, marine and industrial operations worldwide

Competency Framework

Core Competencies You Will Develop

✦Network Threat Landscape

✦Firewall Architecture

✦Network Authentication

✦Secure Remote Access

✦Network Vulnerability Management

✦Firewall Performance Management

Course Curriculum

Programme Modules

The full programme, module by module.

Core CurriculumModules 1–20 · specific to Certified Network Security and Firewall Expert · module 20 is the capstone

1

Network Security Foundations

Network security and firewalls · Network security and zero trust · Application and network security · Network and endpoint security

2

Network Threat Landscape

The threat landscape and security environment · Active-threat and hostile events · Emergency preparedness and response planning · First aid and medical emergency response

3

Secure Network Architecture

Emergency and medical response · Incident command and emergency response · Expert reporting and courts · Peer review and expert feedback

4

Network Segmentation

Data security and confidentiality · Infrastructure security and resilience · Security, confidentiality and integrity · Risk, security and feasibility analysis

5

Firewall Architecture

ERP security and access · Everyday security: information, devices and social engineering · Fire behaviour and suppression strategy: reading the fire before fighting it · Fire behaviour and spread

6

Firewall Policy Management

The policy cycle: formulation, instruments and implementation · Fire risk assessment · Fire prevention and protection systems · Accountability, quality standards and complaints in response

7

Access Control Lists

Identity, access management and the zero-trust shift · Ignition sources and control · The security profession, roles and standards · Security governance and management systems

8

Network Authentication

Human rights and lawful security · Security KPIs and metrics · Incident and response performance · Continuous improvement in security

9

Network Encryption

Security lighting and CPTED · Physical security testing and assurance · Security systems integration · Security intelligence collection and analysis

10

Intrusion Detection and Prevention

Intrusion detection systems · Fraud typologies, detection and prevention · Fraud detection and prevention · Fraud risk, prevention and detection

11

Secure Remote Access

Inclusive, remote and distributed leadership · Security culture, awareness and behaviour · Security risk assessment and proportionate response · Insider threat and personnel security

12

Network Monitoring

Documentation and review · Evacuation procedures and drills · Incident command basics · Post-incident review

13

Network Logging

Communication during crises · Bomb threats and suspicious items · Recovery and post-incident review · Exercises, drills and testing

14

Network Vulnerability Management

Security assessment, vulnerability management and remediation · Scalability, resilience and HA · Incident and problem management · Backup, recovery and continuity

15

Cloud Network Security

Cloud, infrastructure and the operating decisions behind them · Crisis communications · Managing sensitive and crisis messaging · The board in a crisis: what directors must do and must not do

16

Network Incident Response

Incident investigation and corrective action that holds · Leading in crisis and under scrutiny · Crisis leadership: deciding, communicating and holding the organisation together · Crisis, resilience and contingency planning

17

Firewall Performance Management

Performance management that is worth the time it takes · Organisational resilience and adaptive strategy · Continuity, disruption and organisational resilience · Crisis leadership and command

18

Network Security Auditing

Security surveys and audits · Regulatory compliance and audits · Investigations and recovery · Preventing violent extremism and community resilience

19

Network Security Governance

IT governance, compliance and data protection obligations · Grading, standards and food safety compliance · Hazardous farm waste, storage and disposal routes · Governance codes and comply-or-explain: using the code as a tool

20

Network Security Capstone

Feedback, challenge and psychological safety in coaching · Health and safety in the warehouse · Safety stock and reorder points · Plant, machinery and vehicle safety

Professional ElectivesModules 21–30 · common to all GLI certifications · broaden your professional range

21

Strategic Communication and Executive Presentation

Vision, purpose and translating direction into work · Audience-centred communication and message structure · Executive leadership: the board interface and enterprise stewardship · Persuasive structure: framing, evidence and the ask

22

Leadership and Team Effectiveness

Leadership identity, style and the limits of style · Leadership assessment, feedback and continuous self-review · What critical reasoning is and what it is not · Situational and adaptive leadership

23

Analytical Thinking and Evidence-Based Reasoning

Creativity and critical-thinking development · Analytical techniques and bias · Evidence-based improvement · Problem framing: symptoms, definition and scope

24

Professional Decision-Making

Managerial decision-making, bias and decision rights · Escalation and decision-making · Decision support: briefs, options and judgement under pressure · Decision frameworks: criteria, weighting and trade-offs

25

Negotiation, Influence and Stakeholder Management

Negotiation preparation: interests, options and the walk-away · Power, followership and organisational politics · Negotiation: preparation, interests and value creation · Concessions, anchoring and the shape of a bargain

26

Project and Execution Management

Proposals, bids and the business case · Project roles and the project manager · Developing the project business case · Planning, scheduling and personal workflow systems

27

Financial Literacy for Professionals

Financial reporting standards and their application · Financial management for the operating manager · Liquidity, funding and balance sheet management · Management accounting: costing, budgeting and decision support

28

Digital Skills, AI and Technology for Professionals

Digital workplace, collaboration and user support · Productivity, collaboration and workflow tools · Tools for interaction and collaboration · Working with data: quality, interpretation and honest presentation

29

Ethics, Governance and Professional Accountability

Ethical leadership: integrity, tolerated behaviour and moral courage · Ethics, conduct and speaking up · Business development risk, ethics and integrity · AI for managers: adoption, oversight and governance

30

Personal Effectiveness, Productivity and Career Growth

Emotional competence: awareness, regulation and expression · Self-awareness, strengths and the accuracy of self-image · Emotional intelligence and self-regulation · Priority: outcomes, importance and the urgency trap

Every module opens in the learning portal with its full lesson set, worked examples, further reading and video masterclasses. 30 modules · 150 lessons.

Learning Outcomes

What You Will Achieve

Establish a comprehensive understanding of Certified Network Security and Firewall Expert principles aligned with ISO 45001, OSHA and recognised occupational health and safety standards
Apply evidence-based methods to improve occupational safety, health and workplace wellbeing
Master hazard identification and risk assessment and occupational health, hygiene and wellbeing
Apply safety management systems and compliance and incident investigation and emergency preparedness in real-world settings
Lead risk management, quality and compliance relevant to your field
Design stakeholder engagement and professional communication strategies
Use data-driven decision-making and performance-measurement tools effectively
Apply internationally recognised best practice to advance your career in occupational safety

Enrolment Process

How to Get Certified

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Step 1: Choose Your Certification

You are viewing Certified Network Security and Firewall Expert — one of GLI's 1,990+ globally recognised professional certifications.

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Step 2: Enrol & Pay Online — Instantly

Click Enrol & Study Online to register and pay securely via Paystack, Visa, Mastercard, M-Pesa or bank transfer. Access is granted the moment payment is confirmed.

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Step 3: Study in the GLI Learning Portal

Work through 15 structured modules and 75 lessons at your own pace, with downloadable resources and expert-designed content — all inside the LMS.

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Step 4: Pass, Get Certified & Verified

Sit your final examination online, earn your certificate instantly, and receive a globally verifiable Certificate ID — plus GLI Alumni Network access.

🎓 Enrol & Study Online — Instant Access

Secure checkout · Instant LMS access · Globally verifiable certificate

Frequently Asked Questions

Common Questions

What is the CNET3 certification?

The Certified Network Security and Firewall Expert is a professional certification awarded by the Global Leadership Institute. It covers 20 core modules specific to Network Security and Firewall Expert, culminating in the capstone “Network Security Capstone”, plus 10 professional elective modules common to all GLI certifications. Candidates study through the online portal, submit the capstone project and sit a final examination; those who pass receive a verifiable certificate carrying a unique certificate ID.

Who should enrol in the CNET3?

This certification is ideal for Safety and Health Officers, HSE Managers and Supervisors, Site and Operations Safety Leads and Risk and Compliance Practitioners, and other professionals seeking to formalise their expertise in occupational safety, health and workplace wellbeing with a globally recognised credential.

How long does the CNET3 certification take to complete?

The programme is structured over 11 Week and offers flexible learning modes. Self-paced learners can progress at their own schedule, while live virtual participants follow a structured cohort schedule with facilitator-led sessions.

Is the CNET3 internationally recognised?

Yes. GLI certifications are recognised across 100+ countries and are aligned with ISO 45001, OSHA and recognised occupational health and safety standards. Graduates receive a digital certificate, a physical certificate and CPD credits recognised by employers worldwide.

What is the cost of the CNET3 certification?

The Certified Network Security and Firewall Expert is offered in two formats: Self-Paced at USD 399 and Live Virtual at USD 599. Corporate group rates are available for organisations enrolling 5 or more participants. Contact GLI for a bespoke corporate training quotation.

What does the CNET3 certification include?

Enrolment includes all study materials and study guides, access to GLI's online learning portal, online examination, digital certificate and badge, physical certificate (posted), CPD credits, GLI alumni network membership, and ongoing facilitator support.

What is the assessment format for the CNET3?

The Certified Network Security and Firewall Expert is assessed through an online examination consisting of multiple-choice questions, case study analysis, and practical application assignments. The assessment is designed to evaluate real-world competency, not just theoretical recall.

What CPD credits do I earn from the CNET3?

The Certified Network Security and Firewall Expert carries Continuing Professional Development (CPD) credits, which can be applied towards professional body requirements including recognised international professional associations.

Can I study the CNET3 while working full-time?

Absolutely. The self-paced option is designed for busy working professionals and allows you to study when and where it suits you. Live virtual sessions are typically scheduled in the evenings or on weekends to accommodate professional commitments.

What career outcomes can I expect from the CNET3?

Graduates progress towards senior HSE and safety-leadership roles. The CNET3 strengthens your expertise in occupational safety, health and workplace wellbeing and positions you for advancement across construction, energy, manufacturing, marine and industrial operations.

Graduate Voices

What Our Alumni Say

“

The curriculum was directly applicable to my daily work. I immediately applied what I learned and saw results within weeks of completing the programme.

HSE Director

Private Sector

“

GLI's certification is the most practical professional programme I have attended. The international frameworks gave me credibility with my employer and clients.

Safety Manager

NGO Sector

“

I earned my CNET3 while working full-time. The self-paced format made it possible, and the quality of the content is genuinely world-class.

Site Safety Lead

Government

Certified Network Security and Firewall Expert

Certified Network Security and Firewall Expert

Certification at a Glance

Who Should Enrol?

Everything Included in Your Enrolment

Why This Certification Matters for Your Career

Core Competencies You Will Develop

Programme Modules

What You Will Achieve

How to Get Certified

Common Questions

What Our Alumni Say

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