Network Security

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Level: Intermediate
Prerequisites: Basic understanding of computer networks and operating systems (recommended: completion of “Networking” course)
Software/Tools Required: Wireshark, Cisco Packet Tracer, VirtualBox/VMware, Kali Linux (for demos), Windows/Linux tools
Certification: Certificate of Completion from Thakral Global Learning + Preparation for Certiport IT Specialist: Network Security or equivalent Pearson Certification


📖 Course Overview:

This course introduces learners to the essential principles of network security, including protecting data in transit, identifying vulnerabilities, securing systems, and responding to threats. Participants will gain knowledge of core security concepts, tools, and practices, while preparing for the Certiport IT Specialist: Network Security certification. Ideal for IT students, junior network engineers, and cybersecurity enthusiasts seeking foundational security expertise.


Learning Outcomes:

By the end of this course, participants will be able to:

  • Understand key concepts in network and information security
  • Identify common network threats and attack vectors
  • Apply basic techniques to secure networks and data
  • Implement access control, firewalls, and encryption methods
  • Analyze network traffic and detect anomalies
  • Prepare for the IT Specialist: Network Security certification exam

🧩 Course Modules:


Module 1: Introduction to Network Security

  • What is network security?
  • Goals of security: CIA Triad (Confidentiality, Integrity, Availability)
  • Types of threats: internal vs. external, passive vs. active
  • Security policies and standards (ISO, NIST, etc.)
  • Overview of Certiport/Pearson Network Security exam

Module 2: Common Threats and Attacks

  • Malware types: viruses, worms, ransomware, spyware
  • Phishing, social engineering, brute force attacks
  • DDoS attacks and botnets
  • Insider threats and privilege misuse
  • Real-world case studies

Module 3: Securing Network Devices & Topologies

  • Hardening routers, switches, and wireless access points
  • Secure network design and segmentation (DMZ, VLANs)
  • Firewall configurations (basic rules and policies)
  • Network access control (NAC) principles

Module 4: Authentication, Authorization & Accounting (AAA)

  • Understanding AAA framework
  • Password policies and multi-factor authentication
  • Role-based access control (RBAC)
  • Directory services (LDAP, Active Directory)

Module 5: Encryption & Secure Protocols

  • Symmetric vs. asymmetric encryption
  • Hashing and digital signatures
  • SSL/TLS, HTTPS, SSH, IPsec
  • VPN concepts and secure tunneling
  • Certificates and PKI basics

Module 6: Monitoring, Detection & Response

  • Packet sniffing and analysis using Wireshark
  • IDS/IPS systems (Intrusion Detection/Prevention)
  • Network monitoring tools and logs
  • Incident response steps and basic forensics

Module 7: Wireless Security

  • Wi-Fi vulnerabilities and common exploits
  • Wireless encryption protocols (WEP, WPA2, WPA3)
  • Securing SSIDs and wireless access
  • Wireless intrusion detection

Module 8: Security Best Practices & Certification Preparation

  • Creating strong security policies
  • Data backup and disaster recovery basics
  • Physical security considerations
  • Practice questions and mock exam
  • Final assessment and instructor feedback

📝 Assessment & Evaluation:

  • Quizzes after each module
  • Hands-on labs: password cracking simulation, firewall setup, Wireshark analysis
  • Security configuration project
  • Final mock certification test

💼 Career Pathways:

  • Network Security Technician
  • Cybersecurity Analyst (Entry-Level)
  • IT Security Support
  • Junior SOC Analyst
  • Security Administrator

🌟 Why Choose This Course at Thakral Global Learning?

  • Practical, hands-on labs aligned with global standards
  • Instructor-led demos and mentoring support
  • Certification-focused learning with mock tests
  • Real-world insights from industry experts
  • Dual recognition: Course certificate + Certiport readiness