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The smart home tech inside your home is less secure than you think, new Northeastern research finds.
(news.northeastern.edu)
This is a most excellent place for technology news and articles.
I could also extend that to Tasmota or espHome. They are both open source firmware for IoT devices. They update regularly, and are unlikely to be completely abandoned without warning. While you can flash it to devices yourself, you can also buy a number of devices with it pre-installed.
While I still consider all IoT devices inherently insecure, and treat them as such, these are a lot better than the other random options out there.