U.S. official suspects cyber attack occurred in 2014

A photo illustration shows a USB device being plugged into a laptop computer in Berlin July 31, 2014. REUTERS/Thomas Peter

WASHINGTON (Reuters) - The director of the U.S. Office of Personnel Management said on Tuesday that officials suspected a cyber attack that affected millions of employee records took place in 2014.

"We suspect that it happened earlier, in 2014," Katherine Archuleta testified at a hearing of the U.S. House of Representatives Committee on Oversight and Government Reform.

(Reporting by Patricia Zengerle; Editing by Doina Chiacu)