The Department of Justice is set to make the formal announcement of charges against hackers with ties to Russia investigators believe were behind a breach of information regarding hundreds of millions of Yahoo accounts, according to a law enforcement source.

The Department of Justice is set to make the formal announcement of charges against hackers with ties to Russia investigators believe were behind a breach of information regarding hundreds of millions of Yahoo accounts, according to a law enforcement source.

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DOJ: 2 Russian Spies Indicted in Yahoo Hack

The Department of Justice announced Wednesday that four people -- including two officers of the Russian Federal Security Service -- have been indicted in connection to a massive hack of Yahoo information.