Two leading reputation experts reveal how the internet is being used to destroy brands, reputations and even lives, and how to fight back.

From false Wikipedia entries, to fake YouTube videos, to Facebook lynch mobs, everyone from CEOs to fashion models, journalists to politicians, restaurateurs to doctors, is open to character assassination in the burgeoning realm of digital media.

Two top media experts recount vivid tales of character attacks, provide specific advice on how to counter them, and how to turn the tables on the...