London Leadership Management Innovation llmi.uk
info@llmi.uk
IT Management and Cyber Security · IMCS-016

Network Security Fundamentals

5 daysClassroom
15Upcoming dates
7Cities
£2,840Fees from

Course overview

Why Attend

Networks connect every part of the modern organisation and remain a primary target for attackers. Understanding how to secure networks is essential for IT and security professionals.

This LLMI course covers network architecture and protocols, threats, firewalls and segmentation, secure remote access, wireless security, intrusion detection and prevention, network monitoring and secure configuration. Participants design a secure network architecture for a case organisation.

The course provides a practical foundation for securing enterprise networks.

Course Objectives

Explain network architecture and protocols

Identify network threats and attacks

Design segmentation and firewall policies

Secure remote access and wireless networks

Use intrusion detection and network monitoring

Apply secure configuration and hardening

Target Audience

Network administrators

IT security staff

System engineers

IT managers

Infrastructure professionals

Technical auditors

Course Methodology

Technical presentations

Architecture design workshop

Demonstrations

Case studies

Configuration reviews

Course outline

Day 1: Network Foundations
  • Network models and protocols
  • Addressing
  • Common services
  • Network devices
  • Security principles
  • Exercise: Network diagram review
Day 2: Threats and Attacks
  • Reconnaissance
  • Spoofing and interception
  • Denial of service
  • Lateral movement
  • Case study: Network breach
  • Exercise: Threat identification
Day 3: Perimeter and Segmentation
  • Firewalls
  • Segmentation
  • DMZs
  • Network access control
  • Policy design
  • Workshop: Segmentation design
Day 4: Remote and Wireless Security
  • VPNs
  • Secure access
  • Wireless security
  • Guest networks
  • Monitoring
  • Exercise: Remote access design
Day 5: Monitoring and Hardening
  • IDS and IPS
  • Network monitoring
  • Configuration hardening
  • Change control
  • Audits
  • Capstone: Secure network architecture

Dates and fees

DatesCityFee
16 - 20 Nov 2026Istanbul, Turkey£2,850
7 - 11 Dec 2026London, United Kingdom£4,200
21 - 25 Dec 2026Barcelona, Spain£3,850
18 - 22 Jan 2027Istanbul, Turkey£2,850
15 - 19 Feb 2027Amsterdam, Netherlands£4,250
15 - 19 Mar 2027Cape Town, South Africa£2,840
19 - 23 Apr 2027Barcelona, Spain£3,850
17 - 21 May 2027London, United Kingdom£4,200
21 - 25 Jun 2027Munich, Germany£4,250
19 - 23 Jul 2027Madrid, Spain£4,250
16 - 20 Aug 2027Istanbul, Turkey£2,850
20 - 24 Sep 2027London, United Kingdom£4,200
18 - 22 Oct 2027Barcelona, Spain£3,850
15 - 19 Nov 2027Istanbul, Turkey£2,850
20 - 24 Dec 2027Amsterdam, Netherlands£4,250
London Leadership Management InnovationRegister at llmi.uk/course/network-security-fundamentals