> They say they don't know who it is, but we can conclude it's not the US government because Yahoo is willing and legally able to publicly disclose it. I would

> They say they don't know who it is, but we can conclude it's not the US government because Yahoo is willing and legally able to publicly disclose it. I would assume, like most announcements, the reason that it's being announced is because the data is available out there and been seen in the wild.