How did criminals steal 1.2 billion web credentials?

Aired: 8/6/2014 | 0:06:28 | Clip
The New York Times and a Midwest security firm are reporting a massive breach of online privacy that includes the collection of more than a billion username and password combinations and more than 500 million email addresses. Gwen Ifill talks to Dmitri Alperovitch of CrowdStrike about the method and urgency of the hack and who might be behind it.