Because the webpage - which the FBI says was registered to an IP address in Russia - also contained "numerous irrelevant files", whoever created the page wanted to make it appear as if the dump was the sum total of Mueller's evidence on "Russian collusion", and therefore amounted to "an apparent effort to discredit the investigation", according to the filing.
The account has since been deactivated.
The Justice Department alleged Wednesday that Russia has continued pushing online disinformation to discredit the American government, after a pro-Russian Twitter account spread confidential information from a criminal case that special counsel Robert Mueller's team brought against a Russian company for social media conspiracy.
Earlier in the day, Mueller's team claimed in court that sensitive, non-public materials from one of the special counsel's indictments ended up on a public Russian server. "We got into a Russian lawyer company local net that had permission from ReedSmith (Russian attorneys) to view and download all the files they need from their database through the remove server".
Independent disinformation researcher Josh Russell said he was also sent the documents from the @HackingRedstone account, telling NBC that he was "super excited to click the link they posted but then it was just a big letdown".
The two other Russian companies that have been charged Concord Management and Consulting LLC and Concord Catering.
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Prosecutors said the Federal Bureau of Investigation had determined that the documents had not been stolen from government servers.
At the crux of the weird story is a Twitter account named @HackingRedstone that published documents with "folder structures that are unique to the files produced by the government in discovery, including tracking numbers assigned by the special counsel's office", Maddow said.
And Reuters reported that a journalist had received a message from a hacker claiming to have hacked a Russian legal firm that had received the evidence from Concord's U.S. law firm, Reed Smith LLP.
The U.S. government warned that Concord's requests could jeopardize the secrecy of a grand jury matter and identify "uncharged individuals and entities that the government believes are continuing to engage" in interference operations like those Concord is charged with undertaking.
'In October 2018, one or more actors made statements claiming to have a stolen copy of discovery produced by the government in this case. Somewhat confusingly, the filing argued that many other file names used a reference to the Relativity database, which the U.S. government "has not used" to store materials related to this case. Lead Concord attorney Eric A. Dubelier, of Reed Smith in Washington, declined to comment on the Mueller filing, as did Mueller spokesman Peter Carr.
Prosecutors say they do not oppose allowing Concord's corporate officers to see the evidence.