Chapter 4: Keeping Devices & Messages Safe

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actuator

Back

A device in an IoT system that takes action based on commands it receives, such as turning on lights or adjusting temperature.

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anti-malware

Back

Software designed to detect, prevent, and remove various types of malicious software, including viruses, worms, and spyware.

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attachment

Back

A file sent with an email message. Could be safe or dangerous.

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blacklist

Back

A list of blocked email addresses or domains that are not allowed to send messages to your account.

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blind carbon copy (bcc)

Back

A way to send copies of an email to additional recipients without revealing their email addresses to the other recipients.

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bluetooth

Back

A wireless technology that allows short-range communication between devices, often used in smart gadgets.

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bug

Back

An error or flaw in software that can cause it to malfunction or be vulnerable to security risks.

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carbon copy (cc)

Back

A way to send copies of an email to additional recipients whose addresses are visible to all recipients.

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cloud computing

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Storing and accessing data and programs over the internet rather than on a local device.

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connectivity

Back

The ability of devices to connect and communicate with each other over a network.