US Justice Department officials are expected to announce indictments on Wednesday against suspects in at least one of a series of hacking attacks on Yahoo Inc., according to a source briefed on the matter.
The accused men live in Russia and Canada, the source said, with the Canadian far more likely to face arrest.
Russia has no extradition treaty with the United States.
It is not immediately clear whether the group was suspected in the hacking of data of about 1 billion Yahoo users, or a separate hack of 500 million email accounts.
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The indictments were first reported by Bloomberg News. Yahoo and the Justice Department declined to comment.
The two largest hacks, and Yahoo‘s much-criticized slow response and disclosure, forced a discount of $350 million in what had been a $4.83 billion deal to sell Yahoo‘s main assets to Verizon Communications Inc.
Yahoo believes hackers stole data from more than one billion user accounts in August 2013, in what is thought to be the largest data breach at an email provider.
The Sunnyvale, California, company was also home to what’s now most likely the second largest hack in history, one that exposed 500 million Yahoo accounts. The company disclosed that breach in September 2016.
Yahoo said it hasn’t identified the intrusion associated with this theft.
