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IoT: Building Arduino-Based Projects by Drew Van Duren, Brian Russell, Pradeeka Seneviratne, Peter Waher

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Providing an additional layer of security

We are now theoretically ready to communicate with anybody who is our friend. But who can we be friends with? Who is allowed to befriend us? What are they allowed to read or control once they are befriended? Should we pre-program this? Should friendships be manually configured using another XMPP client, such as a chat client, or should we build in logic for this to be configured remotely? These questions are important to consider during the architectural design phase of a project. We don't just want anybody to be able to connect to the device and do anything with it.

Things connected to the Internet differ a lot in various ways from other machines that are connected to the Internet but operated by humans. ...

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