Network Security Essentials Training in Colombo

Network Security Essentials Training in Colombo, Sri Lanka

This course introduces the fundamentals of network security, focusing on threats, vulnerabilities, defense strategies, and best practices.

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Network Security Essentials Training is a professional training program delivered by ProgNXT in Colombo, Sri Lanka. ProgNXT, a globally recognized corporate training provider in 55+ countries, offers this Network Security Essentials Training course with hands-on, instructor-led sessions. This course introduces the fundamentals of network security, focusing on threats, vulnerabilities, defense strategies, and best...

Expert Panel

Designed and delivered by the ProgNXT Cyber Security Expert Panel — a vetted team of industry professionals with 17+ years of hands-on experience in ethical hacking, penetration testing, Kali Linux, and network security

ProgNXT Cyber Security Expert Panel

Course Code: TKU66
21 Hrs
Last Updated: April 2026

Course Rating5/5

This course introduces the fundamentals of network security, focusing on threats, vulnerabilities, defense strategies, and best practices. Participants will gain both theoretical knowledge and practical skills through hands-on labs and case studies.

Welcome to the official Network Security Essentials Training certification program in Colombo, Sri Lanka. This comprehensive training is designed to elevate your professional skills and provide you with practical, industry-relevant knowledge locally. As a globally recognized corporate training provider operating in 55+ countries, ProgNXT ensures that our curriculum meets the highest standards of excellence.

Whether you are looking to upskill your team or advance your personal career, our expert-led sessions will guide you through the core concepts of this domain. Upon successful completion of the 21 Hrs program, participants will receive a globally accepted certification, demonstrating their proficiency and readiness to tackle complex challenges in the field.

Basic knowledge of computer networks (IP, TCP/UDP, routing)
Familiarity with Windows/Linux environments
No prior cybersecurity experience required

Participants will:

Gain a strong foundation in network security concepts.
Be able to identify threats and apply preventive measures.
Configure basic firewalls and VPN connections.
Use network analysis tools to detect suspicious traffic.
Apply encryption and authentication for secure communication.
Adopt best practices for securing corporate and cloud networks.

By the end of the training, participants will be able to:

Understand common network threats and attack vectors
Implement security controls such as firewalls, IDS/IPS, and VPNs
Apply secure authentication and encryption methods
Conduct basic network traffic monitoring and analysis
Recognize and respond to common security incidents
Follow best practices to secure enterprise networks

Fundamentals of network security and protocols
Threats, vulnerabilities, and exploits
Firewalls, IDS/IPS, and VPN concepts
Encryption and authentication methods
Network monitoring and incident handling

ProgNXT Certificate of Completion will be awarded to participants who complete the course and pass the evaluations.

Fundamentals of Network Security

Introduction to Network Security

CIA triad (Confidentiality, Integrity, Availability)
Security goals and challenges
Types of network attacks (DoS, spoofing, sniffing, malware, phishing)

Network Protocols & Vulnerabilities

TCP/IP, DNS, HTTP/S, SMTP
Vulnerabilities in network communication

Security Devices & Architecture

Firewalls, IDS/IPS, proxies, gateways
Network segmentation & DMZ

Hands-On Lab

Defense Mechanisms & Secure Communication

Firewalls & Access Control

Types of firewalls (packet filtering, stateful, next-gen)
Access control lists (ACLs)

Virtual Private Networks (VPNs)

IPsec vs. SSL VPN
VPN setup and configuration basics

Encryption & Authentication

Symmetric vs. asymmetric encryption
TLS/SSL, PKI, digital certificates
Multi-factor authentication (MFA)

Hands-On Lab

Monitoring, Incident Response & Best Practices

Network Monitoring & Logging

Tools: Wireshark, tcpdump, SIEM overview
Detecting anomalies and suspicious traffic

Intrusion Detection & Response

IDS vs. IPS concepts
Steps in incident response

Best Practices & Governance

Patch management
Security policies & user awareness
Cloud and remote work security considerations

Final Discussion :

Simulated attack & defense scenario
Participants analyze traffic, identify threats, and recommend mitigation steps

Wrap-Up & Q&A

Participants will receive course materials, slides, reference materials, exercises and access to resources for further learning.

Participants will be evaluated based on: Daily quizzes, mock questions and query resolution. Group Discussion and Case Study Discussion. Assessment will be through hands-on labs, quizzes, and a hands-on exercises. ProgNXT Certificate of Completion will be awarded to participants who complete the course and pass the evaluations.

Network Security Essentials Training Events in colombo

Online Events

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More Upcoming Session Dates

October 2026

📍 Colombo, Sri Lanka

26th Oct 2026→28th Oct 2026

November 2026

🌐 Online Instructor-Led

4th Nov 2026→6th Nov 2026

📍 Colombo, Sri Lanka

6th Nov 2026→8th Nov 2026

🌐 Online Instructor-Led

26th Nov 2026→28th Nov 2026

📍 Colombo, Sri Lanka

27th Nov 2026→29th Nov 2026

December 2026

🌐 Online Instructor-Led

1st Dec 2026→3rd Dec 2026

📍 Colombo, Sri Lanka

11th Dec 2026→13th Dec 2026

🌐 Online Instructor-Led

27th Dec 2026→29th Dec 2026

📍 Colombo, Sri Lanka

28th Dec 2026→30th Dec 2026

Events for other courses in Colombo, Sri Lanka

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Network Security Essentials Training in Colombo