An ethical introduction to social engineering. "Gray provides a very accessible look at social engineering that should be essential reading for pentesters and ethical hackers."
—Ian Barker, BetaNews

"I really liked the way that [Joe] lays out tools to use, including walking through where to download them from and install them . . . as beginner-friendly and as easy to use as possible."
—Patrick Laverty, Layer 8 Podcast