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What Is a Connected Home Device? Definition, Examples, and Safety

A connected home device communicates over the internet or with other devices to enable features such as remote control, monitoring, alerts, and automation. Here’s how to recognize one and what to consider about security and support.
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A connected home device is a physical product used in a home that connects to the internet or communicates with other connected devices to exchange information or enable features such as remote control, monitoring, alerts, or automation. A thermostat controlled through an app, a networked light bulb, and an internet-connected security camera are all examples.

What makes a home device “connected”?

The defining feature is communication: the product can send or receive information over the internet or through a connection with other devices. That connection may let you control a device remotely, receive alerts, monitor what is happening, or automate an action. A product does not need a particular brand or platform to fit the description.

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This is a practical consumer definition, not a universal technical boundary. In a 2013 report, the Federal Trade Commission (FTC) noted that there was no widely accepted definition of the broader term “Internet of Things” (IoT). FTC staff later described consumer IoT as devices or sensors—excluding computers, smartphones, and tablets—that connect, store, or transmit information with or between each other via the internet. That is one agency’s framing, not a rule that every organization applies. FTC summary of its 2015 report; FTC staff report on IoT privacy and security.

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Smartphones commonly control connected devices, but that does not mean they are excluded from home networks. The distinction is only about whether a smartphone counts as an IoT device under the FTC’s cited definition.

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Which devices are connected in a home?

Ordinary household products qualify when they have networked functions. Common examples include:

  • Climate and energy: connected thermostats and appliances with networked energy features.
  • Lighting and control: connected light bulbs and devices that manage home energy use.
  • Safety and monitoring: smart security systems and IP cameras that provide remote video or audio feeds.
  • Entertainment and assistance: smart TVs and voice assistants.
  • Other appliances: household products that connect to the internet or participate in connected functions.

CISA’s Internet of Things (IoT) Tip Sheet describes IoT or smart devices broadly as objects connected to the internet and lists appliances, lighting, home assistants, and home security. The FTC also gives examples and home-security guidance in its articles on securing internet-connected devices at home and buying or selling a smart home.

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What does connectivity add—and what does it change?

Connectivity can make a device more convenient: you may be able to adjust a thermostat away from home, check a camera remotely, receive an alert, or have devices work together automatically. Some features may depend on an app, an internet connection, or a manufacturer’s cloud service; others may work locally. The details vary by product.

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Networked features can also involve collecting or transmitting information. That creates privacy and security considerations alongside the convenience. Before choosing a device, check what it can do locally versus through an app or online service, what information it collects and shares, what privacy controls it offers, and whether it remains useful if internet access or manufacturer support ends.

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How to reduce security and privacy risks

Practical steps recommended by the FTC include:

  • Change default usernames and passwords; use a unique password for each device or account.
  • Turn on two-factor authentication when it is offered.
  • Enable the device’s security features and install software or firmware updates.
  • Disable features you do not use, or disconnect a device that is no longer in use.
  • Before buying, check whether the maker states how long it plans to provide software updates. The FTC notes that support may end, potentially affecting smart functions or security. FTC guidance on smart-device update support.

What to do when a connected home changes hands

When buying or selling a home, treat connected devices and their accounts as part of the handover. Make an inventory, remove the previous owner’s administrative access and personal information, reset devices, and review privacy settings and permissions. Check whether warranties and support policies transfer; they may not. The FTC outlines these considerations in its smart-home buying and selling guidance.

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Is a smart TV or thermostat a connected device?

Yes, when it connects to the internet or communicates with other devices to exchange information or provide networked features. A smart TV may use a connection for online services, while a connected thermostat may support remote control or automation. The important point is the product’s communication capability—not the word “smart” on its packaging.

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