As usual, try to avoid Alexa and any of Google nest stuff.
I've never used any of it. So let us know if you use it.
Check Point cybersecurity researchers—Dikla Barda, Roman Zaikin and Yaara Shriki—today disclosed severe security vulnerabilities in Amazon's Alexa virtual assistant that could render it vulnerable to a number of malicious attacks.
More at thehackernews.com