Course Overview

This course provides a holistic view of modern network security including operating system hardening, firewalls, intrusion-detection systems, VPNs and Encryption. Physical Security, Standards, System Security and Security Policies are also included.

  • 100% online course - Study anywhere, anytime – all you need is a reliable internet connection

  • Level: Basic to Intermediate

  • 1-3 months to complete

  • *6 months, 24-hr remote access to a virtual lab allows you to learn, train and practice your skills in your own time.

  • Trainer Online Support

  • *Exam Code: CNSS - Hours 2, Type: Multiple Choice 100 Questions

    (Exam voucher available only upon full payment)

  • *Lab+Exam are not included as part of this offer:
    Exam/Lab Bundle Price is GB 90

ICSI | CNSS Certified Network Security Specialist

Course curriculum

  • 1

    Network Security and Cyber Defense

    • Introduction
  • 2

    Exam and Lab Information

    • Exam and Lab Information
  • 3

    Module 1: Introduction to Network Security

    • Network Basics

    • Guided Exercise: Analysing Network Traffic

    • Guided Exercise: Analysing Telnet Network Traffic

    • Basic Network Utilities

    • Guided Exercise: Using Basic Network Utilities

    • The OSI Model

    • Threat Classification

    • Security Terminology

    • Approaches of Network Security

    • Law and Network Security

    • Quiz
  • 4

    Module 2: Types of Attacks

    • Denial of Service Attacks

    • Buffer Overflow Attacks

    • IP Spoofing

    • Guided Exercise: Preventing IP Spoofing

    • Session Hijacking

    • Quiz
  • 5

    Module 3: Fundamentals of Firewalls

    • What is a Firewall

    • Firewall Types

    • Firewall Implementation

    • Proxy Servers

    • Windows Firewalls

    • Guided Exercise: Configuring Windows Firewall

    • Linux Firewalls

    • Guided Exercise: Configuring iptables Rules

    • Quiz
  • 6

    Module 4: Intrusion-Detection Systems

  • 7

    Module 5: Fundamentals of Encryption

    • The History of Encryption

    • Modern Encryption Methods

    • Windows and Linux Encryption

    • Guided Exercise: Enabling BitLocker

    • Guided Exercise: Encrypting a Folder Using EFS

    • Hashing

    • Guided Exercise: Hashing

    • Cracking Passwords

    • Rainbow Tables

    • Guided Exercise: Cracking Passwords

    • Quiz
  • 8

    Module 6: Virtual Private Networks (VPN)

    • Introduction to VPN

    • VPN Protocols

    • IPSec

    • SSL/TLS

    • VPN Solutions

    • Quiz
  • 9

    Module 7: Operating System Hardening

    • Configuring Windows

    • Guided Exercise: Password Policies

    • Configuring Linux

    • Guided Exercise: Linux File Permissions

    • Guided Exercise: Disabling Linux Services

    • Operating System Patches

    • Quiz
  • 10

    Module 8: Virus Attacks and How to Defend

    • Virus Types and Attacks

    • Virus Scanners

    • Antivirus

    • Guided Exercise: Scanning for Viruses

    • Virus Infection and Identification

    • Trojan Horses

    • Spyware or Adware

    • Quiz
  • 11

    Module 9: Security Policies

    • User Policies Definition

    • Guided Exercise: Analysing Policies

    • System Administration Policies

    • Access Control

    • Quiz
  • 12

    Module 10: Assessing System Security

    • Risk Assessment

    • Conducting an Initial Assessment

    • Probing the Network

    • Guided Exercise: Probing the Network

    • Vulnerabilities

    • Guided Exercise: Learning about Vulnerabilities

    • Documenting Security

    • Quiz
  • 13

    Module 11: Security Standards

    • ISO Standards

    • NIST Standards

    • General Data Protection Regulation (GDPR)

    • PCI DSS

    • Quiz
  • 14

    Module 12: Physical Security and Recovery

    • Physical Security

    • Disaster Recovery

    • Fault Tolerance

    • Guided Exercise: Backup Windows 10

    • Quiz
  • 15

    Module 13: Attackers Techniques

    • Hacking Preparation

    • Guided Exercise: Passive Information Gathering

    • The Attack Phase

    • Hacking Wi-Fi

    • Quiz

Pricing options

Watch Intro Video

Course Introduction

What is included in this course

  • High-quality videos with in-depth content

  • Modular structure – student-directed path

  • Knowledge Checks at end of each module and the course

  • Lab Guided Exercises and answer files

  • 6 months 24x7 remote access to a virtual lab

  • Instructor email support

  • Digital Certificate of Completion