Historic downtown Pittsburg, Calif., Sept. 10, 2016.

An East Bay city was recently targeted in a phishing scheme that resulted in a loss of nearly $1 million, officials said.

The attack, allegedly orchestrated by someone in Nigeria, occurred in February and involved an unauthorized payment of $913,839.81, Sara Bellfronte, the assistant to the city manager, said in a statement Wednesday. The single payment was made when a fraudulent account impersonated a city vendor. 

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Officials noticed the payment on Feb. 12 and reported it to the Pittsburg Police Department, who informed county and federal investigators, Bay City News Service reported. The city has been........

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