Network Security Essentials Training in Copenhagen, Denmark

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.

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