Modern organisations rely on computer networks to connect people, systems, devices, applications, cloud services, websites, email platforms, databases, and digital infrastructure. The Computer Networking & Digital Security course helps learners understand how networks work and how they can be protected from cyber threats. This practical online course explores the foundations of computer networks, the history of the internet, OSI and TCP/IP models, network hardware, topologies, IP addressing, routing, DNS, web and email services, cryptography, encryption, hashing, digital signatures, public key infrastructure, authentication, access control, firewalls, IDS/IPS, SIEM systems, wireless security, cloud security, security monitoring, packet analysis, incident response, malware, ransomware, APTs, IoT, edge security, artificial intelligence, post-quantum cryptography, ethics, law, and international cybersecurity governance. It is designed for learners who want to build a strong foundation in networking and digital security for further study, workplace awareness, or technical career development.
