As an IT student I have learned a lot about security hygiene and protocols to take to protect yourself and your network. As more and more devices become internet compatible, or apart of the internet of things, there become more avenues for attack on your network. The FBI has started testing these simple devices and have found they are very easy to compromise. Basically, a hacker can sit in his car down the street, break in to your smart fridge or Alexa, that gives him access to the network and from there it just a piece of cake for them to access all of your data.
Here is a link to the article posted by Forbes discussing this: https://www.forbes.com/sites/zakdoffman/2020/02/05/fbi-drive-by-hacking-warning-just-got-real-heres-how-this-malicious-new-threat-works/#4caaf1ba5017