Espionage Act of 1917

Russian government hackers exploited antivirus software to steal U.S. cyber capabilities

Russian government hackers exploited antivirus software to steal U.S. cyber capabilities

Russian government hackers lifted details of U.S. cyber capabilities from a National Security Agency employee who was running Russian antivirus software on his computer, according to several individuals familiar with the matter.

The employee had taken classified material home to work on his computer, and his use of Kaspersky Lab antivirus software enabled Russian hackers to see his files, the individuals said. The case, which dates to 2015 and has not been made public, remains under investigation by federal prosecutors.

The NSA declined to comment on the breach, which was first reported by the Wall Street Journal.

The employee involved was a Vietnamese national who had...

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