CNN New Day Saturday January 18, 2014 11:15:00
Country are warned that the hack attack on tart may just been one thing. >> and the software hacks could have links to the russian mob. cnn correspondent christine romans has more on the investigation there. christine, good morning. >> christi and victor, much of what investigators know about the hack is kept under wraps right now as cyberforensics experts sift through clues. but what we do know is that homeland security is worried this isn't an isolated event. >> reporter: the u.s. government now warning retailers across the country to be on high alert. that massive attack on target over the ...