@Gargron

Eugen, have a look here:

The Iowa Caucuses App Had Another Problem: It Could Have Been Hacked

While there is no evidence hackers intercepted or tampered with the results, a security firm consulted by ProPublica found that the app lacks key safeguards.

by Jack Gillum and Jessica Huseman Feb. 5, 4:16 p.m. EST

https://www.propublica.org/article/the-iowa-caucuses-app-had-another-problem-it-could-have-been-hacked