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Page 122 - Cyber Safety C-8
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    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.

                       120  Computer Science - VIII

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