Another thread from someone who deffends their mother Russia without doing a simple Google search.
The hackers immediately started trading login credentials on the Russian dark web, nowhere else.
Russians immediately used credentials to login to Google accounts from Russian IP's to reset passwords and Google support forums were flooded with complaints here are some from 2015
https://support.google.com/mail/foru...G9AAqfc/?hl=en
Shortly after the hack, before it was known, Russia blocked YAHOO mail and Gmail
https://russianreport.wordpress.com/...oo-and-google/
Russia has been known as the source of the attacks, and reported as so, since May 2016
Exclusive: Big data breaches found at major email services - expert | Reuters