The 19-page testimony is a detailed account of events from Assange's point of view.
Michael Hayden praises defence picks, but says Trump's claim Russia isn't behind hack on Democrats is not reality.
The website was offline for roughly four hours on 1 December.
The WikiLeaks founder has been residing at the Ecuadorian embassy since 2012.
'Four years have passed and we are only at this stage,' Ecuador's prosecutor said.
Has Assange been taken by the CIA? Without evidence, conspiracies swirl.
The email leaks were 'not something that was done casually', suggests head of National Security Agency.
WikiLeaks highlights 'numerous irregularities' in Sweden's investigation.
Julian Assange is being questioned in London over sexual assault claims.
Wikileaks founder is being questioned by Swedish authorities in long-delayed sexual assault investigation.
'This AMA is making you guys look really bad,' said one Redditor.
Putin is pleased, Dotcom is keen to move to US, and Assange never wanted Clinton as president.
WikiLeaks urged its supporters to download 'insurance' files for 'safekeeping'.
As the US presidential election approaches, WikiLeaks continues publishing.
WikiLeaks founder to be asked to provide DNA sample over claims he assaulted two women in 2010
Qatari officials had pledged the money in 2011 to mark the 65th birthday of Bill Clinton.
WikiLeaks has released the 30th batch of Podesta emails, bringing the total number of published documents to over 47,000.
Assange also claimed that the Clinton Foundation and Isis funded by the same source.
WikiLeaks has vowed to publish over 50,000 emails in the run-up to the US elections.
Former Google chief executive created a 'strategic plan' for Democrat Party success.
Assange said he has instructed his counsel to 'appeal the request to Sweden's Attorney General'.
"They started attacking our servers with DDoS and attempted hacking attacks."