WASHINGTON (AP) — U.S. government agencies were ordered to scour their networks for malware and disconnect potentially compromised servers after authorities learned that the Treasury and Commerce departments were hacked in a monthslong global cyber-espionage campaign discovered when a prominent cybersecurity firm learned it had been breached.
In a rare emergency directive issued late Sunday, the Department of Homeland Security’s cybersecurity arm warned of an “unacceptable risk” to the executive branch from a feared large-scale penetration of U.S. government agencies that could date back to mid-year or earlier.
“This can turn into one of the most impactful espionage campaigns on record,” said cybersecurity expert Dmitri Alperovitch.
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