Be sure to email this to Daniel dang hn@ycombinator.com and flag the email as high priority. Be sure to include all the email headers.

Also report it to github [1] and the Feds [2] in the off chance someone takes it seriously. Be sure to include all the email headers here too.

[1] - https://docs.github.com/en/communities/maintaining-your-safe...

[2] - https://www.ic3.gov/