From the abstract:

We find that Voatz has vulnerabilities that allow different kinds of adversaries to alter, stop, or expose a user’s vote, including a sidechannel attack in which a completely passive network adversary can potentially recover a user’s secret ballot. We additionally find that Voatz has a number of privacy issues stemming from their use of third party services for crucial app functionality. Our findings serve as a concrete illustration of the common wisdom against Internet voting, and of the importance of transparency to the legitimacy of elections.

Twitter thread with links to news articles, as you wish.

I wonder how many of these issues are by design.

I’ll just leave this here, https://www.youtube.com/watch?v=gmOvEwtDycs

Relevant XKCD