Was Russian hacking of Ukraine’s power grid a test run for U.S. attack?

In its July cover story, Wired magazine takes an in-depth look at a years-long string of cyberattacks in Ukraine that could have global implications. It has undermined every sector including the media, military, politics and even people’s homes.
Andy Greenberg, who reported the story, and Wired editor-in-chief Nicholas Thompson joined “CBS This Morning” to discuss the findings and what the implications could be for the United States.
The Russian attacks on Ukraine’s power