This wont happen to you if you're using Swizzle!
What Happens If You Lose Your Smartphone?: "The results, well, let’s just say people are curious creatures. Six out of 10 finders tried to access the social media and email accounts on the phones, but perhaps they were trying to find the owner’s contact information. However, eight out of 10 finders attempted to access files marked, “HR Salaries” and “HR Cases.” And nearly half of the people who found the phones tried to access the phone owner’s bank account." / Mar 10 '12