Cybercriminals and hackers are actively pursuing
critical city infrastructures that rely on smart “Industrial
Internet of Things (IIoT)” devices. Regardless of the fact that it
has prompted a number of interests in recent decades, there isn’t
an accurate approach for Industrial IoT attack detection. Prior
to actually developing an appropriate approach for detecting
Industrial IoT attacks, it's indeed necessary to have knowledge of
previous literature works. As a result, a concise and conceptual
literature evaluation is conducted in this research work,
including the most applicable methodologies dedicated to IIoT
attack detection. All of the research papers gathered is from the
years 2020 to 2022. Furthermore, each of the gathered
publications is examined in terms of a variety of criteria,
including the information source, attack detection methodologies,
and performance metrics. Finally, current study gaps in the
literature have been highlighted, and this will serve as a
benchmark for future IIoT threat detection researchers