Social engineering; it's a little more common and complicated than you might think. Wherever people live and work together, a social contract is formed. First theorized by Socrates and further expanded by Tom Hobbes, John Locke and Jean-Jacques Rousseau, this system is so fundamental most people take part in it unwittingly. Social hackers can use this to their advantage - and by breaking the social contract, we are all left vulnerable to attack. In this talk I will discuss how social contracts develop and how hackers use this natural human behavior against their targets.