Classify IoT controls and data flows by the layer most responsible for them.
Sort each IoT control into the product layer most accountable for making it work. Device Gateway Cloud Service Mobile or Web App Operations Validate signed firmware before installation Buffer readings locally during WAN outages Authorize commands against device ownership and user role Guide the installer through first-use credential setup Maintain fleet inventory and support-lifetime records Translate local sensor protocol into MQTT topics Store user consent for video sharing and exports Erase local cache during factory reset Provide the vulnerability disclosure contact and triage process Show clear permission prompts before enabling camera access
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