News Corp email and documents hacked, company reveals

Media conglomerate News Corp revealed Friday that it was the target of a cyberattack affecting a limited number of email accounts and documents" from its headquarters, and publications including Dow Jones, News UK, and New York Post.

"Our preliminary analysis indicates that foreign government involvement may be associated with this activity, and that some data was taken," chief technology officer David Kline and chief information security officer Billy O'Brien wrote in an email to staff. 

The publisher of the Wall Street Journal is being assisted in the investigation of the hack by cybersecurity firm Mandiant, which linked the attack to China.