no. it's not possible. these developers are better than the ones coding for the NSA. governments would eagerly like them to create impervious software for defense, but they like making videogames way too much.
i repeat. it is IMPOSSIBLE for anyone to cheat.
on a serious note, is there any kind of security risk to my computer when playing this game peer 2 peer?
i'm sure i probably waived my right to pursue anything legally when i clicked some box. i will likely be told, that no, there's no threat of someone using demigods to zombie my computer, but all the same, click here, and here, showing you understand it's not their liability.