Take a close look at this picture (imgur link). Then think up: the world is full of bad people, scammers, hackers, competitors, extortionists, and your personal enemies. Read this research.This guide tries to account for all models, but focuses more on protecting against hackers, scammers, annoying fans and paparazzi, competitive espionage specialists (which can include police or other law enforcement officers who in theory can abuse their power), and so on.Photo by Philipp Katzenberger on Un...