WASHINGTON - The White House's computer system was targeted in a cyber attack, a senior administration official said on Monday, but no classified systems were breached.

There is no evidence that data was taken in the incident, the official said, adding that the attack was identified early and did not spread.

The attack was described as "spear phishing," the term for an attempted penetration using fake emails from a trusted sender, which the official said was "not infrequent."

On Sunday, a report from a news website "Freebeacon," that describes itself as an alternative to "the professional left," said that Chinese hackers had breached a White House military system.

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