Cameras, speakers and other small computers
A smart device is a computer that rarely gets updates and often keeps its factory password. Four settings fix most of it.
What goes wrong
Cameras, doorbells, televisions, printers and baby monitors are found by automatic scanning within hours of going online. Devices that still have the factory password are taken over and used to attack others, or simply watched.
The owner usually notices nothing. The device keeps working.
Four settings
Change the factory password during setup and store the new one in your password manager. Turn on automatic updates, or check for them every few months if there is no such option.
Switch off what you do not use: access from the internet, the microphone, the camera. Connect smart devices to the guest network of your router, so that a compromised lamp cannot reach your laptop.
Before you buy, and after
Check how long the maker promises security updates. A cheap camera with no updates becomes a problem the day a flaw is published.
A device that no longer receives updates should come off the network. Reset it to factory settings before you give it away.
This note is our own plain-language summary. For the full guidance, read the original: https://www.cisa.gov/news-events/news/securing-internet-things-iot
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If it connects to Wi-Fi, it needs a password and updates.