This technical course provides in-depth knowledge of network security principles, technologies, and defensive strategies for protecting organizational networks from cyber threats. Participants will learn about network architecture security, defensive technologies, intrusion detection and prevention, and secure network design principles. The course covers both theoretical concepts and practical implementation of network security controls across various environments. Through hands-on labs and realistic scenarios, learners will develop the skills needed to design, implement, and manage robust network security defenses.
Network Security and Defense
IT Management and Cyber Security
October 25, 2025
Introduction
Objectives
Participants will gain expertise in:
- Understanding network security architecture and design
- Implementing firewall policies and configurations
- Configuring intrusion detection and prevention systems
- Securing network infrastructure devices
- Implementing virtual private networks (VPNs)
- Monitoring network traffic for security threats
- Conducting network vulnerability assessments
- Responding to network security incidents
- Designing defense-in-depth strategies
Target Audience
- Network security engineers
- Network administrators
- Security analysts
- System administrators
- IT infrastructure managers
- Cybersecurity professionals
- Network architects
Methodology
- Hands-on network device configuration labs
- Security tool implementation exercises
- Network attack and defense simulations
- Case studies of network security breaches
- Group design activities for network security
- Individual configuration and troubleshooting exercises
- Vulnerability assessment practicals
Personal Impact
- Enhanced network security technical skills
- Improved network architecture design capabilities
- Stronger troubleshooting and analysis abilities
- Better understanding of attack methodologies
- Increased confidence in security implementation
- Enhanced ability to evaluate security technologies
Organizational Impact
- More secure network infrastructure
- Reduced network security incidents
- Improved detection of network-based attacks
- Better compliance with security standards
- Enhanced overall security posture
- Reduced risk of data breaches
Course Outline
Unit 1: Network Security Fundamentals
Section 1.1: Core Concepts- Network security principles and models
- Defense-in-depth strategies
- Network protocol security considerations
- Secure network architecture design
Unit 2: Perimeter Security
Section 2.1: Boundary Protection- Firewall technologies and configurations
- DMZ design and implementation
- Proxy server configurations
- Network access control systems
Unit 3: Intrusion Detection and Prevention
Section 3.1: Monitoring Systems- IDS/IPS architecture and deployment
- Signature and anomaly-based detection
- Network traffic analysis techniques
- False positive management
Unit 4: Network Device Security
Section 4.1: Infrastructure Protection- Router and switch security hardening
- Wireless network security
- Network segmentation strategies
- Management plane security
Unit 5: Advanced Network Security
Section 5.1: Specialized Topics- Cloud network security considerations
- Software-defined networking security
- Zero trust network architecture
- Network deception technologies
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