Data collected from sensors may be stored as raw data at the edge and aggregated in storage within edge databases and the cloud. Data can exist in a variety of formats including text files, spreadsheets, log files, and of course in relational and NoSQL databases. Tools such as REST, WebSockets, XML, and JSON can be used for remote data acquisition. When designing the security architecture at this layer, consider how to validate the source of data, whether malicious data has been injected into data streams, and whether data has been tampered with at any point in the life cycle.
CSPs offer data services within their IoT service offerings. For example, AWS supports configuration of IoT devices to offload data to IoT-specific ...
