From Hacking Systems To Hacking People

It's called Social Engineering and is well documented.  Click here for more info.  In the InfoSec world we have a saying "Social Engineering will always work because there's no patch for human stupidity or naivete."

From DarkReading:

From Hacking Systems To Hacking People

New low-tech attack methods like 'visual hacking' demand an information security environment that values data privacy and a self-policing culture.

Forty-four trillion gigabytes. That’s the anticipated size of the “digital universe” by 2020, according to the IDC Digital Universe Study. Encompassing all data created, replicated, and consumed in one year, this digital universe is largely created and used by a company’s workforce, but the task of protecting this enormous amount of data from hackers falls largely to IT security teams.