How does Apple keep secrets so well? (2012)

My husband (JK) has been working at Apple for 13 years. JK lays the groundwork early to start splitting his time between his Apple office and his home office. “At this point, JK has three PCs in his office at Apple, and another three in the office at home, all sold to him by a friend who sells custom built PCs (can’t order them through the usual Apple channels because no one in the company knows what he’s working on).

Source: www.quora.com