The Times reported Wednesday its computer systems had been compromised by cyberattacks from China, with The Wall Street Journal saying Thursday it had experienced similar attacks.
The Times Friday reported The Washington Post also was attacked in 2012, when newsroom computers were found to be in communication with servers in China.
Washington Post Co. spokeswoman Jennifer Lee said the company "did not have anything to share at this time."
China has denied the hacking allegations.
"All such alleged attacks are groundless, irresponsible accusations lacking solid proof or reliable research results," a spokesman for the Chinese Foreign Ministry said.
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