… in any work in the IIoT domain that describes security requirements. • Comparison: we
compare the security requirements identified by different studies by taking into account such …

… with the consumer Internet of Things, securing the industrial Internet of Things introduces its
… identify the unique security goals and challenges of the industrial Internet of Things, which, …

… of security requirements at each layer from two standardization bodies: Industrial Internet …
In this section, we present the state of security protocols deployed at each tier, highlighting …

… Non-functional Requirements must support all the three key security services namely …
important security attributes for industrial Internet of things or critical infrastructure [8]. Other security …

… , the Industrial Internet of Things (IIoT… requirements, especially modularity and autonomy.
Finally, blockchain shows promised vision in terms of security because of multiple data security …

… the other hand, approaching security as a moving target … security requirements, and model
and analyze IIoT environments based on those security requirements (thus following a security…

… security problems. In addition, we propose a three layer-based taxonomy for mapping security
requirements … descriptive analysis of the identified security requirements, challenges, and …

… framework to ensure that privacy & security requirements for IIoT are developed properly…
security requirements of IIoT, while assessing various research work of IoT security requirements…

… must provide multiple functions, security features, and real-time … of Industrial IoT systems
(Section 2), point out related security … security framework for Industrial IoT systems (Section 4). …

… constitute critical systems; therefore the requirements for any interconnection mechanism to
… The selected approach has an important effect on the fulfillment of the security requirements …