Cascading Attack News Today

Targeted, allegedly by an outside government. were now learning details of a computer attack on sands casinos. as cnns brian todd reports, that cyberattack may have been meant to punish the companys ceo for comments he made about iran. >> reporter: a cascading attack, servers shut down, screens go blank. a rush to unplug computers. this wasnt the hack on sony. this attack hit the worlds largest casino operation, including the venetian hotel in las vegas ten months ago, and this also may have bee...

Major questions how hackers or cyber terrorists cracked into a company on u.s. soil. as we all know, sony caved to their demands but this is not the first company that has been targeted. less than a year ago another major american company was hacked and our brian todd has that story. >> reporter: a cascading attack, servers shut down, screens go blank, a rush to unplug computers. this wasnt the hack on sony, this was this attack hit the worlds largest casino operation, including the venetian hot...

The white house is labeling the attack on seen knee as a national security threat against the united states and promising a proportional response. u.s. investigators have concluded that north korea is behind the attack. were also learning new details about a computer attack earlier this year. the source, another long-time adversary of the united states. cnns brian todd is looking into this for us. what are you learning? >> wolf, many think the attack on sony was the first time that a foreign gov...