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Use Case 3 · Secure and Trustworthy Mobile Sensing Platform (Fujisawa, Japan)

Overall description

Use Case 3 is a pilot that builds a secure IoT platform for smart cities by integrating the multi-layer security assets of M-Sec partners based on the Keio mobile sensing platform that has been conducting demonstration experiments with Fujisawa City for more than 3 years.

Challenges it addresses

Use Case 3 has focused on verifying a secure mobile sensing platform using garbage truck sensing as an application example. If you think of it as one IoT application, like other Use Cases, the pandemic environment of COVID-19 has an impact on the experiment. For example, the participation of stakeholders, such as Fujisawa City and cleaning companies, which are essential for garbage truck sensing experiments, was restricted. Therefore the scale of the experiments in the actual field was reduced, and we conducted the experiments and verifications at the laboratory level in order to cover this pandemic situation.

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The M-Sec approach

The IoT devices (sensors), the cloud system (servers of a sensor data exchange platform), and applications consuming sensor data streams included in the mobile sensing platform are extended with multiple security mechanisms. The IoT devices are secured by hardening and intrusion detection system. The former is achieved by existing best practices, such as closing unnecessary network ports. The traffic between the IoT devices and the cloud system is protected by the use of Transport Layer Security (TLS), which is a point-to-point encryption mechanism. In the cloud system, a sophisticated authentication mechanism is provided by the project in order to protect the data stream. In addition, end-to-end sensor data stream delivery is secured by a light-weight encryption mechanism and will be made configurable and manageable by a security management tool.

Pilot implementation

Since Use Case 3 is a Use Case that focuses on the verification of the secure mobile sensing platform, verification was carried out by several applications in addition to the initial cleaning vehicle sensing. For example, in order
to solve the requirements of the pandemic environment as a countermeasure against COVID-19 infection, the ventilation status of restaurants in Fujisawa City was constantly monitored, and these data were input to the secure mobile sensing platform. In addition, we demonstrated that data such as the ventilation status inside the route bus, which is public transportation, and the ventilation status in the classroom on the university campus were used as inputs for the secure mobile sensing platform. We have achieved stable secure mobile sensing platform by completing all of these experiments.

(left click the picture for a better view)

Main results and next steps

Use Case 3 built a secure smart city platform by combining the sensing data from the sensor box installed in the garbage truck, which Keio University has been promoting in collaboration with Fujisawa City, with the security solution of the M-Sec partners. This is exactly one of the important activities of the M-Sec project as a whole, in the sense that it enables the conflicting requirements both “security” and “open IoT platform” for smart cities that widely distributes IoT data.

Although Use Case 3 pilot collects the city’s environmental data and garbage emissions from garbage trucks as an example, this secure IoT platform can also manage various data collections such as the environmental data at restaurants in Fujisawa City, the environmental data in classrooms on university campuses, the environmental data at bus routes/public transportation, data on the Web, and the participatory sensing data from the smartphone app “SmileCityReport” like Use Case 4. In this way, Use Case 3 Secure Mobile Sensing Platform has established the foundation of a secure IoT platform for flexible and scalable smart cities that can efficiently collect and distribute various city data.

Lessons Learnt

UC3 realizes a secure smart city platform by combining the sensing data from the sensor box installed in the garbage truck, which Keio University has been promoting in collaboration with Fujisawa City, with the security solution of the M-Sec partner. This is exactly one of the important activities of the M-Sec project as a whole, in the sense that it enables the conflicting requirements both “security” and “open IoT platform” for smart cities that widely distributes IoT data.
Although UC3 pilot collects the city’s environmental data and garbage emissions from garbage trucks as an example, this secure IoT platform can also manage various data collections such as the environmental data at restaurants in Fujisawa City, the environmental data in classrooms on university campuses, the environmental data at bus routes/public transportation, data on the Web, and the participatory sensing data from the smartphone app “SmileCityReport” like UC4.
In this way, UC3 Secure Mobile Sensing Platform has established the foundation of a secure IoT platform for flexible and scalable smart cities that can efficiently collect and distribute various city data.

How can I join?

Contact Jin Nakazawa: [email protected]

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Date 21/09/2018
Category use-cases

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