Page 122 - Cyber Safety C-8

Cybersecurity for smart cities focuses on protecting digital infrastructure through strong
encryption, secure communication networks, real-time monitoring, access controls and regular
system updates. A secure smart city ensures reliable public services and safeguards critical
systems that support daily activities.

5G Technology

The arrival of 5G technology increases the urgency for stronger cybersecurity. Unlike 4G,

5G provides extremely high Internet speeds, very low latency and the ability to connect
a massive number of devices at the same time. This supports advanced systems such as
autonomous vehicles, smart factories, remote healthcare and large IoT networks. However,
the same speed and scale also allows cyberattacks to spread more quickly and affect more
devices simultaneously.

5G networks use new architectures such as network slicing, edge computing and virtualised
network functions, which introduce additional security challenges. Protecting these networks
requires advanced threat detection, stronger encryption, continuous monitoring and secure
design principles. Cybersecurity professionals are developing new strategies to safeguard
5G infrastructure and ensure safe communication in the next generation of connected
technologies.

Quantum Computing

Quantum computing represents a major potential shift in future cybersecurity. Unlike traditional
computers that process information using bits, quantum computers use quantum bits (qubits),
which can exist in multiple states at the same time. This allows quantum computers to perform
certain calculations at speeds far beyond the capability of current systems. Although still in

the development stage, fully scaled quantum computers could eventually break many of the
encryption algorithms used today, including RSA and ECC, which protect banking systems, online
communication and sensitive data.

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