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5G is the next generation network which will replace the older 4G technology with the evolution of all elements of the network. The adoption of the 5G technology will, however, also lead to the intensification of security challenges or the emergence of new ones.
The sheer volume of connected devices, in addition to new use cases and evolving business models, make 5G a potential target for cyberwarfare. Despite the adoption of a Security by Design approach in designing the organisation’s network, it will be crucial to deal with a series of challenges over the next few years.
In order to adequately respond to current and future risks related to the 5G network, a risk-based method is required:
Once the risk assessment plan and the corresponding risks have been defined, the process continues with the assessment of the most appropriate security solution for each layer of the 5G architecture (endpoint, end-to-end communication, cloud & core network).
In this phase, the following activities are carried out:
The implementation of the security solution identified can be managed at the Core Network or at the Edge level, ensuring active infrastructure security, as well as network and security events monitoring.
The Reply approach focuses on the scalability of the solution, ensuring operation and maintenance upstream of the delivery phase, as well as end-to-end protection at the infrastructure level.
The Zero Trust model aims to protect customers' assets, applications and data, regardless of where users and resources are located. This tool enables the infrastructure that adopts it to monitor and identify malicious activity by a user or by a machine from inside or outside the network.
The Security by Design approach makes it possible to systemically carry out security checks, testing and audits during the design and implementation phases of software, services and devices, thus achieving considerable savings in terms of costs that would have been needed to apply fixes at a later time.
Through network monitoring, it is possible to monitor network traffic in order to recognise and block any abnormal device behaviour (visibility), to support experts in the management of an ever increasing number of devices (orchestration), as well as to ensure an immediate and targeted response to attacks (automation).