Analysts say many of the exploits revealed appear to be three years old or more,cheap real jordans, but have some unknown vulnerabilities that could still be used by other hackers.
"Eastnets' claim is impossible to believe," said Kevin Beaumont, who was one of several experts who spent Friday combing through the documents and trying out the code.
He told the Associated Press news agency that he had found password dumps,www.amassdenver.com, an Excel spreadsheet outlining the internal architecture of the company's server,cheap retro jordans, and one file that was "just a massive log of hacking on their organisation".
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Beaumont said there was bad news in the release for Microsoft as well. He said the malicious code published on Friday appeared to exploit previously undiscovered weaknesses in older versions of its Windows operating system - the mark of a sophisticated actor and a potential worry for many of Windows' hundreds of millions of users.