Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training Network Segmentation - Securing Networks in 2026 training are: Basic knowledge of TCP/IP, OSI model, and layer 2 switch configuration. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training Network Segmentation - Securing Networks in 2026 training is available in distanciel. The format can be adapted to your needs (inter, intra, custom).

Training Network Segmentation - Securing Networks… | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

Configure your training

Response within 24hNo commitment100% free

7 spots remaining for the next session

FormatParticipantsDateDetails

Which format do you prefer?

Methods, approaches, and teaching resources

The Training Network Segmentation - Securing Networks in 2026 training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Training Network Segmentation - Securing Networks in 2026 training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training Network Segmentation - Securing Networks in 2026 training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training objectives

Master the basic principles of network segmentation to secure professional environments

Develop skills in VLANs and subnets to isolate critical flows in the enterprise

Configure ACLs and firewalls for certified and effective network segmentation

Implement zero trust practices adapted to network segmentation in 2026

Design a resilient segmented architecture against future cyber threats

Optimize network segmentation to reduce risks in hybrid infrastructures

Deploy practical segmentation solutions in a certified professional context

Training program

Module 1Fundamentals of Network Segmentation: Principles and Security Challenges 2026 (OSI Model, Basic VLANs)

Discovery of the essential concepts of network segmentation, analysis of lateral movement risks in modern breaches, hands-on with the OSI model to identify layers to segment, initial VLAN configuration on Cisco or open-source switches via Packet Tracer, practical exercises on a simulated enterprise network, creation of a first simple segmentation diagram with isolation of critical zones, discussion of real cases like 2025 ransomware attacks.

Module 2VLANs and Subnets in Network Segmentation: Logical Isolation (GNS3, IPAM Tools)

In-depth configuration of VLAN trunking and inter-VLAN routing, use of GNS3 to simulate a segmented enterprise network, definition of optimized subnets for DMZ, IoT, and critical servers, practical workshops on subnet masking and static routing, connectivity tests with ping and traceroute, production of a deliverable segmented IP plan, highlighting performance and security gains for 2026.

Module 3ACLs and Firewalls for Network Segmentation: Flow Control (pfSense, Cisco ACLs)

Learning access control lists to block unwanted flows, installation and configuration of pfSense for segmentation, writing standard and extended ACLs on virtual routers, MITM attack simulations to validate rules, exercises on prioritizing critical traffic, integration with SNMP for monitoring, development of a firewall rules playbook adapted to 2026 standards, demos of concrete attack surface reductions.

Module 4Zero Trust and Network Micro-Segmentation: 2026 Trends (Illumio, NSX)

Introduction to zero trust applied to network segmentation, exploration of micro-segmentation with VMware NSX or open-source tools like Cilium, modeling policies based on identities and East-West traffic, practical labs on segmented Kubernetes containers, implementation of SDP for granular access, case studies of enterprises migrated to zero trust, creation of a micro-segmentation matrix for hybrid infrastructure, anticipation of 2026 regulatory evolutions.

Module 5Deployment and Audit of Network Segmentation: Practical Cases 2026 (Wireshark, Nessus)

Synthesis with deployment of a complete network segmentation architecture in the lab, use of Wireshark to audit segmented flows, Nessus scans to detect residual vulnerabilities, performance optimization with segmented QoS, remediation exercises on real incident scenarios, finalization of the red thread project with a deliverable audit report, preparation for Qualiopi certification, personal roadmap for enterprise implementation starting in 2026.