SecureWorks concluded Fancy Bear had sent Podesta an email on 19 March 2016 that had the appearance of a Google security alert, but actually contained a misleading link-a strategy known as spear-phishing.
On 9 December 2016, the CIA told U.S. legislators the U.S. Intelligence Community concluded the Russian government was behind the hack and gave WikiLeaks hacked emails from John Podesta [REF].