Professional training in London and 13 international cities info@llmi.uk +443300011190

Professional training course · IMCS-016

Network Security Fundamentals

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…

  • 5 daysClassroom or online
  • 15Upcoming dates
  • 7Cities
  • £2,750Fees 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

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

Schedule

Dates and fees

15 upcoming dates in 7 cities. Fees are per delegate; bring colleagues and every seat is discounted. Every date can also be joined live online for £1,280.

All dates as PDF
November 2026
16NOV 16 - 20 Nov 2026Mon to Fri · 5 daysNext session
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
December 2026
7DEC 7 - 11 Dec 2026Mon to Fri · 5 daysOur home city
United Kingdom flag LondonUnited Kingdom · Classroom
£2,750per delegate2+ people: £2,200 each
21DEC 21 - 25 Dec 2026Mon to Fri · 5 days
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
January 2027
18JAN 18 - 22 Jan 2027Mon to Fri · 5 days
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
February 2027
15FEB 15 - 19 Feb 2027Mon to Fri · 5 days
Netherlands flag AmsterdamNetherlands · Classroom
£4,250per delegate2+ people: £3,400 each
March 2027
15MAR 15 - 19 Mar 2027Mon to Fri · 5 days
South Africa flag Cape TownSouth Africa · Classroom
£2,840per delegate2+ people: £2,272 each
April 2027
19APR 19 - 23 Apr 2027Mon to Fri · 5 days
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
May 2027
17MAY 17 - 21 May 2027Mon to Fri · 5 daysOur home city
United Kingdom flag LondonUnited Kingdom · Classroom
£2,750per delegate2+ people: £2,200 each
June 2027
21JUN 21 - 25 Jun 2027Mon to Fri · 5 days
Germany flag MunichGermany · Classroom
£4,250per delegate2+ people: £3,400 each
July 2027
19JUL 19 - 23 Jul 2027Mon to Fri · 5 days
Spain flag MadridSpain · Classroom
£4,250per delegate2+ people: £3,400 each
August 2027
16AUG 16 - 20 Aug 2027Mon to Fri · 5 days
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
September 2027
20SEP 20 - 24 Sep 2027Mon to Fri · 5 daysOur home city
United Kingdom flag LondonUnited Kingdom · Classroom
£2,750per delegate2+ people: £2,200 each
October 2027
18OCT 18 - 22 Oct 2027Mon to Fri · 5 days
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
November 2027
15NOV 15 - 19 Nov 2027Mon to Fri · 5 days
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
December 2027
20DEC 20 - 24 Dec 2027Mon to Fri · 5 days
Netherlands flag AmsterdamNetherlands · Classroom
£4,250per delegate2+ people: £3,400 each

Questions

Frequently asked questions

How long is the Network Security Fundamentals course?

The course runs over 5 days of classroom training, usually Monday to Friday.

When is the next Network Security Fundamentals course?

The next public date is 16 - 20 Nov 2026 in Istanbul. There are 15 upcoming dates in total.

Where is this course held?

Upcoming sessions run in Istanbul, London, Barcelona, Amsterdam, Cape Town, Munich, Madrid.

Can I take Network Security Fundamentals online?

Yes. Every date can also be joined live online in a virtual classroom with the trainer, for £1,280 per participant. Choose "Live online" in the dates table when you register.

How much does the course cost?

Fees start from £2,750 per delegate, depending on the city. Fees include tuition and course materials.

Do participants receive a certificate?

Yes. Delegates who complete the course receive a London Leadership Management Innovation certificate of completion.

Can this course be delivered in-house for our team?

Yes. LLMI can tailor and deliver this course privately for your organisation at your premises or in one of our training cities.

Course information last updated 14 November 2026.

Related

More IT Management and Cyber Security courses

View all

Training a team?

Any course in our catalogue can be delivered privately for your organisation, at your offices or in one of our cities, with content shaped around your goals.