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Yahoo's outgoing CEO, Marissa Mayer.
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, 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 isn't clear which Yahoo hack the group is suspected of. The internet firm was $4, affecting 500 million email accounts. A $4.
The indictments were first reported by Bloomberg. Yahoo and the Justice Department declined to comment.
The two hacks have caused a major headache for Yahoo as it sells off its business to Verizon.
Verizon initially tried to get a massive price cut on the deal of $925 million (£757 million) after news broke of the hacks, $4. It eventually managed a discount of $350 million (£287 million) in what had been a $4.83 billion (£3.96 billion) deal.
Yahoo's CEO, Marissa Mayer, $4 once the deal with Verizon closes. That new company, Altaba, will instead be led by Thomas McInerney, the former CFO of IAC. Mayer's position remains unclear. Mayer is $4, worth up to $2 million, after the hacks.