Hackers' broad attack sets cyber experts worldwide scrambling to defend networks

FILE PHOTO: A hooded man holds a laptop computer as blue screen with an exclamation mark is projected on him in this illustration picture taken on May 13, 2017. REUTERS/Kacper Pempel/Illustration

(Reuters) - Suspected Russian hackers who broke into U.S. government agencies also spied on less high-profile organizations, including groups in Britain, a U.S. internet provider and a county government in Arizona, according to web records and a security source.

More details were revealed on Friday of the cyber espionage campaign that has computer network security teams worldwide scrambling to limit the damage as a senior official in the outgoing administration of U.S. President Donald Trump explicitly acknowledged Russia's role in the hack for the first time.