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Fundamentals of Computer Network Security

The Fundamentals of Computer Network Security course by Koenig Original equips IT professionals, network administrators, and aspiring security analysts with essential skills to defend against evolving cyber threats. It addresses the critical industry gap where 72% of business leaders report heightened concerns over cyber risks, focusing on securing networked systems through firewall configuration, intrusion detection, and risk mitigation strategies. Learners gain hands-on expertise in designing secure architectures and implementing robust security policies.

This Koenig Original training prepares candidates for foundational cybersecurity certifications and offers 30-day lab access for practical mastery. Graduates build career-ready competencies in threat response and network defense, positioning them to advance into roles such as security engineer or IT risk analyst with increased credibility and technical confidence.

24 Hours (3 Days)
Live Online / Classroom
0+ professionals trained

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Course Overview

The Fundamentals of Computer Network Security by Koenig Original is a comprehensive course designed for IT professionals, security analysts, and network administrators seeking to build foundational expertise in cybersecurity. While not directly aligned to a single certification exam, this course covers core domains tested in CompTIA Security+ (SY0-701) and supports pathways to CCNA Security and other vendor-specific credentials. It serves roles such as Cybersecurity Analyst, IT Security Specialist, and Network Administrator, equipping learners with essential skills in threat mitigation, access control, and secure infrastructure design. With cyberattacks increasing globally—78% of organizations reporting at least one security incident in 2025—demand for trained professionals continues to rise across government, finance, and technology sectors.

Participants engage with key technologies including Cisco IOS Firewall, PIX Security Appliance, intrusion detection systems (IDS), virtual private networks (VPNs), authentication, authorization, and accounting (AAA) services, and public key infrastructure (PKI). The hands-on lab component, conducted via Cisco Packet Tracer and virtualized environments, allows students to configure firewalls, implement IPSec-based site-to-site and remote access VPNs, and manage CSACS for centralized AAA services. A capstone project involves building a secure network perimeter by integrating stateful inspection, access control lists, NAT, and application filtering on real or simulated Cisco devices, mirroring enterprise-level deployment scenarios faced by security engineers.

This course prepares candidates for industry-recognized certifications like CompTIA Security+ and Cisco Firewall Specialist, both highly valued in the cybersecurity job market. Certified professionals report median annual salaries ranging from $90,000 to $130,000, with strong career advancement within six months of certification. Koenig Solutions enhances learning through official courseware, expert-led instruction, and a Guaranteed-to-Run schedule, ensuring consistent access to training. Graduates are positioned to pursue advanced roles in network defense, security architecture, and risk management, contributing effectively to organizational resilience in an evolving threat landscape.

What You'll Learn

Harden network architectures by implementing NIST and ISO 27001 security frameworks
Audit and configure secure network protocols including TLS 1.3 and IPsec for infrastructure protection
Segment cloud and virtualization environments to enforce zero-trust access controls
Mitigate wireless and web-based vulnerabilities by deploying WPA3 and HTTPS security standards
Encrypt data in transit and at rest using industry-standard cryptographic protocols to ensure integrity and confidentiality
Analyze endpoint and network traffic patterns to detect and respond to security breaches using SIEM integration

Prerequisites

Recommended knowledge before taking this course
  • Proficiency in command-line interface (CLI) and OS navigation
  • Understanding of TCP/IP stack and OSI model layers
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Certification Exam

Everything you need to know about the Fundamentals of Computer Network Security certification exam

Exam Details
Exam Name
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Not applicable
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Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Fundamentals of Computer Network Security Essentials (Aligned to CompTIA Security+ Domain 1)
Building Defensible Network Architectures Virtualization and Cloud Security Protocols Hardening Network and Device Security Mastering TCP/IP, TLS 1.3, and IPsec Securing Wireless Network Infrastructure Protecting Modern Web Communications; Lab: Configuring TLS 1.3 and IPsec tunnels
2
Day 2– Defense-in-Depth and Attack Mitigation (Aligned to CompTIA Security+ Domain 2)
Implementing Defense-in-Depth Strategies Access Control and Password Management Core Security and Privacy Principles Applying Critical Security Controls Effective Malicious Code Mitigation Countering Advanced Persistent Threats; Lab: Implementing multi-factor authentication and access control lists
3
Day 3– Proactive Threat Management Techniques (Aligned to CISSP Domain 3)
Automated Vulnerability Scanning Methods Professional Penetration Testing Basics Deploying Network Security Devices Advanced Endpoint Security Solutions SIEM and Log Management Systems using Splunk Active Defense and Response Techniques; Lab: Deploying Splunk for log aggregation and threat detection
4
Day 4– Cryptography, Risk, and Incident Response (Aligned to CISSP Domain 4)
Cryptography Fundamentals for Security Standard Cryptography Algorithms Explained Applying Cryptography in Enterprise Incident-Handling Lifecycle Foundations Contingency Planning for BCP/DRP Strategic Risk Management Frameworks; Lab: Executing an incident response simulation and cryptographic key management
5
Day 5– Advanced Operating System Security (Aligned to CISSP Domain 5)
Windows Security Infrastructure Design Managing Service Packs and Hotfixes Windows Access Control Mechanisms Enforcing Enterprise Security Policy Linux Security Structure Hardening Monitoring and Attack Detection Systems; Lab: Hardening Windows/Linux endpoints and auditing security policies

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of Fundamentals of Computer Network Security certified professionals report career advancement within 6 months

Salary Impact

+15%

Average salary increase reported after obtaining the Fundamentals of Computer Network Security certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • Network Security Analyst
  • Cybersecurity Associate
  • Security Operations Center (SOC) Technician
  • IT Security Administrator
  • Junior Penetration Tester
  • Information Security Officer

Companies Hiring

5,000+
Cisco IBM Deloitte Wipro TCS Infosys Accenture Capgemini HCL Technologies NTT Data

and 5,000+ organizations worldwide seeking Fundamentals of Computer Network Security certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

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    Business Intelligence Lead

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    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

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    Security Analyst

    SC-300 Certified ✓ Verified
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    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

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    Carlos R.

    Engineering Manager

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  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
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