The United States has announced charges against two Russian security services officers and two hackers, accusing them of a mega data breach at Yahoo that affected at least a half-billion user accounts.
Officials say the hack targeted the email accounts of Russian and U.S. officials, Russian journalists, employees of financial services and other businesses.
The charges arise from a compromise of Yahoo user accounts that began at least as early as 2014. Though the Justice Department has previously charged Russian hackers with cybercrime - as well as hackers sponsored by the Chinese and Iranian governments - this is the first criminal case brought against Russian government officials.
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