In regard to our external forensic.... Mandiant, as well as PwC, were able to recreate the steps, the inquiries, that the criminals had exploited in terms of the hack, and they worked with our internal security department to uncover that information to get a clear picture of what had happened. In terms of remediation, we're working with Mandiant and PwC to come up with remediation steps so that this incident never happens again.
On December 4th, 2017. See this statement in context.