yay ! Network Security Essentials
Understand how to protect networks using firewalls, segmentation, secure access, and monitoring practices. This course focuses on the practical foundations of network security. Students learn how threats affect enterprise networks and how to reduce risk through layered defenses, segmentation, access control, and secure configuration.
Duration
8 weeks
Format
Self-paced
Price
KES 28,000
Who this is for
Basic networking knowledge
What you will leave with
Syllabus preview
week 1
Understand the security risks that affect modern networks and the common ways attackers attempt to gain access. This module introduces core threat concepts, attack surfaces, vulnerabilities, and the basic security hygiene needed to reduce exposure.
Week 2
Learn how organizations control traffic and restrict access to systems, services, and sensitive resources. This module covers firewall purpose, traffic filtering, authentication, authorization, and the principle of least privilege in practical network environments
Week 3
Explore how dividing a network into smaller, controlled zones improves security and reduces risk. This module explains segmentation concepts, VLAN and subnet-based separation, trust boundaries, and how segmentation helps contain threats and limit unnecessary access.
Week 4
Understand how remote users can connect to internal systems securely without exposing the network unnecessarily. This module covers VPN concepts, remote access risks, strong authentication, secure access design, and good practices for protecting remote connections.
Week 5
Learn why visibility is essential in network security and how teams detect, investigate, and respond to suspicious activity. This module introduces monitoring, log collection, incident identification, early response steps, and the importance of preserving evidence during investigations.
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