(A book written by the famous hacker Kevin Mitnick for the public good of social engineering, the English name "THEARTOFDECEPTION" Introduction: In the first part of the book (Chapter 1), I will show the weakness of information security link, and point out why you and your business are at risk of a social engineer attack. In the second part of the book (Chapters 2-9), you'll see how social engineers use your trust, hope, and compassion to trick you into getting the information they want. This book tells a typical attack case in the form of a fictional story, showing the reader that social engineers can wear many masks and pretend to be various identities. . . . . .)