This dissertation was written as part of the MSc in Communications and Cybersecurity
at the International Hellenic University.
More specifically, this paper critically examines the implementation of Network and
Information Systems Directive (NISD) by the identified operators of essential services
(OESs) of the Critical Infrastructure (CI) sectors (public and private) and certain digital
service providers (DSPs) for all Members in the European Union.
To introduce the unfamiliar reader to cybersecurity conception, this thesis provides an
analytic description of the general provisions of the NISD alongside the proposed security measures for all Member States.
Following, it examines the way Greece has transposed the context of the directive into
national laws and analyzes in detail its effectiveness, providing some conclusions about
it.
Subsequently, the thesis tries to reach some general conclusions about the context of the
NISD, by understanding its significance since it must be regarded as a national priority
among Member States.
Finally, this paper studies the implementation of the NISD into Greek aviation industry
making a recommendation for the air transport sector to set up an aviation cybersecurity
strategy.
It is also worth stating that the findings for this thesis were drawn from the literature,
and empirical studies in Cybersecurity area.
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