Allegedly. Note that it looks much better for the OPM if they can say they got hacked by "cyber warfare units from China" than "sorry, we are bad at OpSec, a fe

Allegedly. Note that it looks much better for the OPM if they can say they got hacked by "cyber warfare units from China" than "sorry, we are bad at OpSec, a few script kiddies got us". From https://en.wikipedia.org/wiki/Office_of_Personnel_Management_data_breach#Perpetrators https://en.wikipedia.org/wiki/Office_of_Personnel_Management... I gather that only hearsay was provided to the public, no credible evidence.