If there is one lesson to learn from the cyber security incidents that have plagued public and private organisations it is a problem of the lack of knowledge of assets, appropriate configurations and impact assessments. Asset and configuration management has over, the last 20 years, been a troubling story and cyber attacks have benefited from the organisation, especially large global ones, not knowing enough of what their assets are, how they are configured and connected to other assets.
Ontologies have the ability to help Smart Cities develop necessary classification models of their assets and their interoperability. There are several key Smart Cities Ontologies being developed and three significant ones are:
| Ontology | Description |
| SAREF4CITY | An extension of the SAREF ontology for Smart Cities developed by OneM2M |
| PAS 182:2014 | BSI Smart city concept model – Guide to establishing a model for data interoperability |
| ISO/IEC DIS 21972 | An upper level ontology for smart city indicators |
I plan to watch the development of these and other ontologies relating to Smart Cities and also develop associated Smart City Threat Model Ontologies that can use these as upper models.
I came across a rather fascinating ontology resource site called Lov4IOT
Almost 500 ontology-based projects for IoT, smart cities, etc. More than 20 domains relevant to IoT referenced such as building, healthcare, robotics, smart grid, smart agriculture, smart transportation, etc. LOV4IoT ontology catalog GUI tables are provided (HTML view).
Here is a link to another view of this as per Linked Open Vocabularies.
Smart City Cyber Security 
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